Forecast Discussions mentioning any of "HRRR" "RAP" "RR" "RUC13" "RUC" received at GSD on 06/10/16

Area Forecast Discussion...UPDATED
National Weather Service Little Rock AR
542 PM CDT THU JUN 9 2016

.DISCUSSION...

Updated to include the 00Z aviation discussion below...

&&

.AVIATION...

Expect VFR conditions to persist for most sites through the period
once again. The only exception may be some patchy fog at ADF near
sunrise.

&&

.PREV DISCUSSION...(ISSUED 232 PM CDT THU JUN 9 2016)

SHORT TERM...Tonight Through Friday night

Upper level ridging is building overhead and will remain situated
atop Arkansas through the short term period. Some afternoon CU
can be seen bubbling up in western Arkansas this afternoon,
evidence of a return flow pattern beginning to setup across the
Arklatex region. Expect to see the CU a little further east
tomorrow afternoon as high pressure continues to slide east of
the state, and Gulf moisture makes headway into Arkansas. Alas,
it`s summertime, summertime...

And because it is summertime, temperatures will feel just as they
should. Highs in the upper 80s to low 90s will be the norm this
afternoon and again tomorrow. Overnight readings will also be
warm, with lows from the mid 60s to near 70.

LONG TERM...Saturday Through Thursday

A typical summer like pattern will be seen for much of the long term
period as upper level ridging will be in place across much of
southern and central sections of the country. Beneath this ridge,
afternoon isolated to scattered showers and thunderstorms will be
seen over the weekend and more so into the early part of next week.
Temperatures will be slightly above normal for the period, with
highs mainly in the upper 80s to lower 90s. Humidity values will
increase by early next week, which will lead to increased heat
indices. Will likely avoid widespread indices of 105 but values
greater than 100 will be possible early next week.

Some weakening in the upper ridge may be seen into the early to
middle part of next week as an upper trough looks to move in from
the SW US. This trough will likely ride over the top of the ridge,
compressing it southward, as move toward the Midwest from the
Southern Plains. At the surface, a cold front will also approach
from the northwest, which will help initiate some shower and
thunderstorm activity across the state.

&&

.LZK Watches/Warnings/Advisories...NONE.

&&

$$

Aviation...62



Area Forecast Discussion National Weather Service Little Rock AR 232 PM CDT THU JUN 9 2016 .SHORT TERM...Tonight Through Friday night Upper level ridging is building overhead and will remain situated atop Arkansas through the short term period. Some afternoon CU can be seen bubbling up in western Arkansas this afternoon, evidence of a return flow pattern beginning to setup across the Arklatex region. Expect to see the CU a little further east tomorrow afternoon as high pressure continues to slide east of the state, and Gulf moisture makes headway into Arkansas. Alas, it`s summertime, summertime... And because it is summertime, temperatures will feel just as they should. Highs in the upper 80s to low 90s will be the norm this afternoon and again tomorrow. Overnight readings will also be warm, with lows from the mid 60s to near 70. && .LONG TERM...Saturday Through Thursday A typical summer like pattern will be seen for much of the long term period as upper level ridging will be in place across much of southern and central sections of the country. Beneath this ridge, afternoon isolated to scattered showers and thunderstorms will be seen over the weekend and more so into the early part of next week. Temperatures will be slightly above normal for the period, with highs mainly in the upper 80s to lower 90s. Humidity values will increase by early next week, which will lead to increased heat indices. Will likely avoid widespread indices of 105 but values greater than 100 will be possible early next week. Some weakening in the upper ridge may be seen into the early to middle part of next week as an upper trough looks to move in from the SW US. This trough will likely ride over the top of the ridge, compressing it southward, as move toward the Midwest from the Southern Plains. At the surface, a cold front will also approach from the northwest, which will help initiate some shower and thunderstorm activity across the state. && .PRELIMINARY POINT TEMPS/POPS... Batesville AR 66 89 67 93 / 0 0 0 10 Camden AR 67 94 72 94 / 0 0 10 20 Harrison AR 65 90 67 91 / 0 0 0 10 Hot Springs AR 67 92 70 92 / 0 0 0 20 Little Rock AR 67 92 71 94 / 0 0 0 10 Monticello AR 68 93 72 94 / 0 0 0 20 Mount Ida AR 65 91 69 91 / 0 0 0 20 Mountain Home AR 65 90 67 93 / 0 0 0 10 Newport AR 67 90 69 94 / 0 0 0 10 Pine Bluff AR 68 93 72 93 / 0 0 0 10 Russellville AR 66 92 69 93 / 0 0 0 10 Searcy AR 66 91 69 94 / 0 0 0 10 Stuttgart AR 68 91 72 94 / 0 0 0 10 && .LZK Watches/Warnings/Advisories...NONE. && $$ Short Term...64 / Long Term...226
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 123 PM CDT THU JUN 9 2016 .DISCUSSION... Updated for the 18z aviation discussion below. && .AVIATION... Not much to discuss. VFR conditions will prevail through the period. No rain is expected and the only clouds will be some high clouds and FEW-SCT bases around 6000ft AGL mainly in western and northern Arkansas. && PREV DISCUSSION...(ISSUED 352 AM CDT THU JUN 9 2016 ) SHORT TERM...Today Through Friday Night A large ridge of high pressure is over the center part of the country with an upper trough over the eastern third...and another trough entering the Pacific Northwest. The upper ridge will spread eastward through the period and will encompass much of the country by Friday night. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue through the period. No rainfall is expected through Friday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the mid 60s to lower 70s for lows. LONG TERM...Saturday Through Wednesday Model solutions rmn in good agreement with overall fcst trends thru the weekend and into next week. Upr ridging is fcst to persist ovr the mid section of the nation early in the pd...with a slow weakening trend commencing thereafter. Meanwhile...low lvl moisture wl cont to sloly incrs over time as a south wind flow prevails. High temps thru the pd wl generally range fm the upper 80s to the lower 90s...about 3 to 5 degrees abv normal for this time of year. Expect some locations to see aftn heat index readings apch the century mark durg the pd. As far as rain chcs go...typical summertime wx pattern wl result in low chc pops thru the pd as several weak upr impulses work thru the region. Convective trends wl be mainly diurnal in nature each day. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...64
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 123 PM CDT THU JUN 9 2016 .DISCUSSION... Updated for the 18z aviation discussion below. && .AVIATION... Not much to discuss. VFR conditions will prevail through the period. No rain is expected and the only clouds will be some high clouds and FEW-SCT bases around 6000ft AGL mainly in western and northern Arkansas. && PREV DISCUSSION...(ISSUED 352 AM CDT THU JUN 9 2016 ) SHORT TERM...Today Through Friday Night A large ridge of high pressure is over the center part of the country with an upper trough over the eastern third...and another trough entering the Pacific Northwest. The upper ridge will spread eastward through the period and will encompass much of the country by Friday night. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue through the period. No rainfall is expected through Friday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the mid 60s to lower 70s for lows. LONG TERM...Saturday Through Wednesday Model solutions rmn in good agreement with overall fcst trends thru the weekend and into next week. Upr ridging is fcst to persist ovr the mid section of the nation early in the pd...with a slow weakening trend commencing thereafter. Meanwhile...low lvl moisture wl cont to sloly incrs over time as a south wind flow prevails. High temps thru the pd wl generally range fm the upper 80s to the lower 90s...about 3 to 5 degrees abv normal for this time of year. Expect some locations to see aftn heat index readings apch the century mark durg the pd. As far as rain chcs go...typical summertime wx pattern wl result in low chc pops thru the pd as several weak upr impulses work thru the region. Convective trends wl be mainly diurnal in nature each day. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...64
Area Forecast Discussion National Weather Service Little Rock AR 632 AM CDT THU JUN 9 2016 .AVIATION... High pressure has moved east of Arkansas. Light east and southeast winds are expected today across the area. Patchy fog around ADF will dissipate rapidly this morning. Mainly high cirrus will be seen today. VFR conditions will continue through the period. && .PREV DISCUSSION...(ISSUED 352 AM CDT THU JUN 9 2016 ) SHORT TERM...Today Through Friday Night A large ridge of high pressure is over the center part of the country with an upper trough over the eastern third...and another trough entering the Pacific Northwest. The upper ridge will spread eastward through the period and will encompass much of the country by Friday night. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue through the period. No rainfall is expected through Friday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the mid 60s to lower 70s for lows. LONG TERM...Saturday Through Wednesday Model solutions rmn in good agreement with overall fcst trends thru the weekend and into next week. Upr ridging is fcst to persist ovr the mid section of the nation early in the pd...with a slow weakening trend commencing thereafter. Meanwhile...low lvl moisture wl cont to sloly incrs over time as a south wind flow prevails. High temps thru the pd wl generally range fm the upper 80s to the lower 90s...about 3 to 5 degrees abv normal for this time of year. Expect some locations to see aftn heat index readings apch the century mark durg the pd. As far as rain chcs go...typical summertime wx pattern wl result in low chc pops thru the pd as several weak upr impulses work thru the region. Convective trends wl be mainly diurnal in nature each day. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion National Weather Service Little Rock AR 352 AM CDT THU JUN 9 2016 .SHORT TERM...Today Through Friday Night A large ridge of high pressure is over the center part of the country with an upper trough over the eastern third...and another trough entering the Pacific Northwest. The upper ridge will spread eastward through the period and will encompass much of the country by Friday night. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue through the period. No rainfall is expected through Friday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the mid 60s to lower 70s for lows. && .LONG TERM...Saturday Through Wednesday Model solutions rmn in good agreement with overall fcst trends thru the weekend and into next week. Upr ridging is fcst to persist ovr the mid section of the nation early in the pd...with a slow weakening trend commencing thereafter. Meanwhile...low lvl moisture wl cont to sloly incrs over time as a south wind flow prevails. High temps thru the pd wl generally range fm the upper 80s to the lower 90s...about 3 to 5 degrees abv normal for this time of year. Expect some locations to see aftn heat index readings apch the century mark durg the pd. As far as rain chcs go...typical summertime wx pattern wl result in low chc pops thru the pd as several weak upr impulses work thru the region. Convective trends wl be mainly diurnal in nature each day. && .PRELIMINARY POINT TEMPS/POPS... Batesville AR 86 66 91 69 / 0 0 0 0 Camden AR 92 68 93 72 / 0 0 0 10 Harrison AR 89 65 91 68 / 0 0 0 0 Hot Springs AR 91 67 92 70 / 0 0 0 0 Little Rock AR 91 67 92 71 / 0 0 0 0 Monticello AR 91 68 93 71 / 0 0 0 0 Mount Ida AR 90 67 92 70 / 0 0 0 0 Mountain Home AR 87 65 91 68 / 0 0 0 0 Newport AR 87 67 91 70 / 0 0 0 0 Pine Bluff AR 90 68 93 71 / 0 0 0 0 Russellville AR 89 66 92 70 / 0 0 0 0 Searcy AR 89 67 92 70 / 0 0 0 0 Stuttgart AR 90 68 92 71 / 0 0 0 0 && .LZK Watches/Warnings/Advisories...NONE. && $$ Short Term...51 / Long Term...44
Area Forecast Discussion National Weather Service Little Rock AR 1222 AM CDT THU JUN 9 2016 .AVIATION... Expect VFR conditions to persist through the period. However... there could be some MVFR fog at ADF. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. Precipitation is not expected through this TAF period. && .PREV DISCUSSION...(ISSUED 602 PM CDT WED JUN 8 2016 ) DISCUSSION... Updated to include the 00Z aviation discussion below... AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion National Weather Service Little Rock AR 1222 AM CDT THU JUN 9 2016 .AVIATION... Expect VFR conditions to persist through the period. However... there could be some MVFR fog at ADF. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. Precipitation is not expected through this TAF period. && .PREV DISCUSSION...(ISSUED 602 PM CDT WED JUN 8 2016 ) DISCUSSION... Updated to include the 00Z aviation discussion below... AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion National Weather Service Little Rock AR 1222 AM CDT THU JUN 9 2016 .AVIATION... Expect VFR conditions to persist through the period. However... there could be some MVFR fog at ADF. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. Precipitation is not expected through this TAF period. && .PREV DISCUSSION...(ISSUED 602 PM CDT WED JUN 8 2016 ) DISCUSSION... Updated to include the 00Z aviation discussion below... AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion National Weather Service Little Rock AR 1222 AM CDT THU JUN 9 2016 .AVIATION... Expect VFR conditions to persist through the period. However... there could be some MVFR fog at ADF. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. Precipitation is not expected through this TAF period. && .PREV DISCUSSION...(ISSUED 602 PM CDT WED JUN 8 2016 ) DISCUSSION... Updated to include the 00Z aviation discussion below... AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 602 PM CDT WED JUN 8 2016 .DISCUSSION... Updated to include the 00Z aviation discussion below... && .AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. && .PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...62
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 602 PM CDT WED JUN 8 2016 .DISCUSSION... Updated to include the 00Z aviation discussion below... && .AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. && .PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...62
Area Forecast Discussion National Weather Service Little Rock AR 241 PM CDT WED JUN 8 2016 .SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. && .LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .PRELIMINARY POINT TEMPS/POPS... Batesville AR 63 87 66 89 / 0 0 0 0 Camden AR 66 92 67 94 / 0 0 0 0 Harrison AR 63 89 66 89 / 0 10 0 0 Hot Springs AR 65 91 67 91 / 0 0 0 0 Little Rock AR 66 91 67 93 / 0 0 0 0 Monticello AR 65 91 67 93 / 0 0 0 0 Mount Ida AR 64 91 67 90 / 0 0 0 0 Mountain Home AR 63 88 66 91 / 0 10 0 0 Newport AR 65 87 67 91 / 0 0 0 0 Pine Bluff AR 65 91 67 91 / 0 0 0 0 Russellville AR 64 90 66 92 / 0 0 0 0 Searcy AR 64 89 67 91 / 0 0 0 0 Stuttgart AR 66 91 68 92 / 0 0 0 0 && .LZK Watches/Warnings/Advisories...NONE. && $$ Short Term...64 / Long Term...59
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 1242 PM CDT WED JUN 8 2016 .DISCUSSION... Updated for the 18z aviation discussion below. && .AVIATION... With high pressure in the region, VFR flight categories are expected through the TAF period. The one caveat may be some reduced visibility at KADF due to local moisture sources. With another day of sun/drying in the books today though, will forego including that in the 18z TAF package at this time though. && .PREV DISCUSSION...(ISSUED 1101 AM CDT WED JUN 8 2016 ) UPDATE... Issuing a quick morning update to account for expected afternoon temperature trends. The HRRR model performed admirably yesterday, showing high temperatures climbing into the low 90s across much of the southern half of the state yesterday and being considerably warmer than most other available guidance. With similar synoptic and mesoscale conditions today, and 24hr temperature changes near zero in most places, will go with a persistence forecast for today. Blended yesterday`s observed high temperatures with a mix of the 14z HRRR and other MOS guidance to come up with similar highs for today. The most notable increases were in the north and northeast where mid 80s are expected. Elsewhere low 90s are expected once again. PREV DISCUSSION...(ISSUED 330 AM CDT WED JUN 8 2016 ) SHORT TERM...Today Through Thursday Night A large area of high pressure is over the western two thirds of the country with an upper trough over the eastern third. The upper ridge will spread eastward through the period and will encompass much of the country by Thursday night. With high pressure in control...warm and dry weather will continue through the period. No rainfall is expected through Thursday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the lower to mid 60s for lows. LONG TERM...Friday Through Tuesday Rather benign wx pattern wl prevail acrs the FA for late this week and thru much of the weekend. The upr lvl flow wl be stagnant as an upr rdg rmns in place ovr the mid section of the nation. At the sfc...a rdg wl rmn situated acrs AR...allowing for a gradual uptick in low lvl rh late in the weekend. As a result...could see widely sctd mainly diurnally driven convection by Sun aftn. Heading into next week...a weakness wl dvlp in the upper lvls acrs the Mid-South. The aforementioned sfc rdg wl also breakdown...which wl allow low lvl moisture to cont incrsg. This trend...along with a fntl bndry apchg NERN AR...wl lead to sctd convection acrs the FA. Temps wl rmn at abv normal lvls ovr the weekend...with a gradual dcrs in daytime highs by Tue due to more clouds/rain chcs. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...64
AREA FORECAST DISCUSSION
National Weather Service Topeka KS
617 PM CDT THU JUN 9 2016 ...Update to aviation forecast discussion... .SHORT TERM...(This Evening through Friday) Issued at 255 PM CDT THU JUN 9 2016 Weak upper flow continues over the Central Plains this afternoon. A weak upper trough was evident in the water vapor imagery over western Nebraska into to the Texas Panhandle. Another weakening circulation was moving across southeast Kansas and northeast Oklahoma. Surface dry line was located over the high plains and will move very little. Short term models differ with convection this evening with the HRRR and and the RUC moving in some weakening convection from the west during the late evening hours into north central Kansas. The experimental HRRR keeps precipitation to the west and diminishes it before moving to the east of U.S. 81 Highway tonight. Will continue with small precipitation chances in north central Kansas tonight. Lows tonight will continue to be mild with readings in the upper 60s to lower 70s. Friday, Another good warm up is expected with the thermal ridge extending into central Kansas have increased highs slightly into the mid 90s with lower 90s elsewhere across northeast and east central Kansas. The afternoon heat index will reach near 100 degrees across parts of north central and northeast Kansas with the rest of the area in the mid to upper 90s heat index. Weak upper trough/wave moves across central and east Kansas on Friday. There is little in the way of surface moisture convergence with the absence of any boundary and a small EML remains in place through much of the day. The upper trough fills as it moves east with the NAM the strongest with the upper energy. Cannot rule out an isolated late afternoon storm out in central Kansas, but confidence is not high enough to include in forecast at this time. .LONG TERM...(Friday Night through Thursday) Issued at 255 PM CDT THU JUN 9 2016 For Friday night through Sunday, the main question with the forecast is whether a lobe of vorticity gets trapped within the upper ridge over the state. This idea was not in the operational models yesterday, and now have almost a weak closed low aloft near the forecast area during the weekend. Therefore confidence is not all that great. Forecast soundings suggest the airmass will be conditionally unstable with little inhibition to convection. So if this piece of energy is near the area, there could be some diurnally driven convection Saturday and/or Sunday. For now have left POPs around 10 percent but later shifts may need to increase chances if models continue to leave behind this energy within the ridge. The forecast appears to be in good shape regarding forecast temps as there isn`t much chance in the solution`s thermal profiles. Highs are expected to be in the lower and middle 90s as forecast soundings mix the boundary layer to around 825MB. Continued southerly flow and dewpoints holding in the 60s overnight support the lows forecast for temps bottoming out around 70 degrees. Precip chances should be on the increase for Sunday night through much of next week as the upper ridge breaks down and energy from the west passes through the plains. An initial shortwave is progged to pass through the central plains Sunday night and early Monday. Then a more amplified system moves slowly across the plains through Wednesday. The medium range models have come into better agreement in closing off an upper low just north of the forecast area by Wednesday. Think the better chances for precip will be Monday through Tuesday night as the upper wave initially moves out from the southern Rockies and a surface wave lifts across the area. After Wednesday, there are question on where the closed low drifts to and a possible dry slot working into the area. Have held onto some small POPs Wednesday night and across eastern KS for Thursday to account for the closed low in the region. The models show temps trending cooler for next week as the upper system moves through the region. However am a little concerned temps could be to cool as cold raw model guidance seems to be skewing the forecast cooler when there is no significant cold air advection. This is probably due to the models generating precip during these periods. Unless it is cloudy and raining all day, it is hard to see why temps would not continue to be in the lower 90s for Monday and Tuesday. With this in mind have kept highs in the upper 80s and around 90 rather than the middle 80s. There are signs of increasing cold air advection by Wednesday as the upper closed low moves east of the forecast area. With this in mind, have shown a little more of a cool down for the later part of the forecast. && .AVIATION...(For the 00Z TAFS through 00Z Friday Evening) Issued at 612 PM CDT THU JUN 9 2016 For the 00z TAFs, VFR conditions are expected through the period. The gusty southerly winds from this afternoon will diminish early this evening. Some models still suggest that there may be a slight chance for some marginal LLWS overnight, however confidence is not high enough to warrant a mention in the TAFs at this time. Expect the southerly winds to increase once again by late Friday morning, with gusts around 20kts through the afternoon. && .TOP Watches/Warnings/Advisories... NONE. && $$ SHORT TERM...53 LONG TERM...Wolters AVIATION...Hennecke
AREA FORECAST DISCUSSION
National Weather Service Topeka KS
1157 PM CDT TUE JUN 7 2016 ...Update to aviation forecast discussion... .SHORT TERM...(This Evening through Wednesday) Issued at 202 PM CDT TUE JUN 7 2016 Sfc high pressure in control this afternoon over northeast Kansas. Overall cooler temps today with light northerly winds and readings near 80 degrees. Unfortunately this trend is temporary as the ridge axis builds eastward while a weak sfc trough develops over the western high plains. Coupled with an embedded shortwave trough entering CO per satellite imagery may trigger a few thunderstorms over western and central Kansas this evening. There is a slight chance a few of these storms may impact north central KS after midnight per the latest few runs of the HRRR and the persistence from the NAM and GFS. Confidence is lacking on the available moisture with an abundance of dry air throughout the column so will keep the slight pops at this time. Severe weather is not expected given the weak wind profiles and elevated instability up to 1000 J/KG. There may be a few showers lingering into sunrise Wednesday, but otherwise another sunny and warm afternoon. Sfc pressure gradient increases with the sfc low centered over eastern CO. Southerly winds are stronger in the afternoon at 10 to 20 mph while warm air advection boosts temps back into the upper 80s to lower 90s. .LONG TERM...(Wednesday Night through Tuesday) Issued at 202 PM CDT TUE JUN 7 2016 Wednesday night through Friday...Region continues to transition out of northwesterly flow as the upper ridge begins to amplify over the Central Plains. Still some indication of a weak wave moving off the Rockies and generating showers and storms over the high plains and moving eastward as the night progresses, but not highly confident these will make it this far east and have kept rain chances to less than 15 percent in the west. Temperatures start to climb into the 90s, rising a few degrees from Thursday into Friday. Dewpoints also start to climb, and overnight lows approach the 70 degree mark, with the start of a warm and muggy pattern. Friday night through Tuesday...Upper ridge is in full swing extending into the Northern Plains by the weekend. Highs in the 90s and lows near 70 continue. As waves move across the northern states, may be enough to start to move the ridge east and weaken by Sunday night and will reintroduce slight rain chances. Front still progged to drop southward into the forecast area Monday into Tuesday, with higher rain chances for that forecast period. Could also mean high temps drop back into the 80s, if front can get this far southward. && .AVIATION...(For the 06Z TAFS through 06Z Wednesday Night) Issued at 1155 PM CDT TUE JUN 7 2016 For the 06z TAFs, VFR conditions are expected through the period with southeasterly winds increasing during the day on Wednesday. Some models are showing the potential for some low-level wind shear concerns by late Wednesday night, so we will need to continue to monitor that potential. && .TOP Watches/Warnings/Advisories... NONE. && $$ SHORT TERM...Prieto LONG TERM...67 AVIATION...Hennecke
AREA FORECAST DISCUSSION
National Weather Service Bismarck ND
952 PM CDT THU JUN 9 2016 .UPDATE... Issued at 952 PM CDT Thu Jun 9 2016 Overall, the forecast is trending well and only minor changes were made with this update, namely to ramp up PoPs a bit again based on recent HRRR simulations. We discussed the possibility of expanding the severe thunderstorm watch further east into Bismarck/Mandan with SPC, but based on radar trends and some capping shown on the 00 UTC Bismarck sounding the threat appears marginal enough (but certainly non-zero) to hold off on expanding the watch in space at this point. We will continue to re-evaluate that possibility over the next few hours, though. UPDATE Issued at 803 PM CDT Thu Jun 9 2016 Quick update to accommodate a recently-issued severe thunderstorm watch for western and parts of central ND, which is valid through 08 UTC, per collaboration with SPC. We also increased PoPs across much of western and central ND through 09 UTC based on the recent trends in radar imagery, which show increasing storm coverage as forcing attendant to a shortwave trough approaches western ND. UPDATE Issued at 604 PM CDT Thu Jun 9 2016 Only minor changes were made to the forecast with this update. We did spread the chance of thunderstorms eastward a bit more quickly than earlier advertised given radar trends. The severe storms that moved out of northwest and into north central ND are still within an axis of MLCAPE of 2000+ J/kg given surface temperatures in the 90s and dewpoints in the lower 60s F in their inflow region. Very recent radar trends have shown a decreasing trend to those storms, though, which is likely because they are outpacing the stronger deep-layer shear that exists further west. That may marginalize the severe threat with the batch of storms northwest of Minot as of 23 UTC. Meanwhile, convection in southwest ND is high-based in an environment characterized by 40+ F temperature-dewpoint spreads and weak shear as of late afternoon, so we only expect a gusty wind threat with that activity for the next few hours. We are watching storms in MT closely (including one particularly long-lived supercell approaching Jordan as as of 23 UTC). Simple extrapolation of that activity brings it to the ND border by mid evening. If it reaches ND before the boundary layer is able to cool sufficiently for increasing capping to take hold, then there could be a more organized severe threat, particularly over west central and northwest ND. && .SHORT TERM...(This evening through Friday) Issued at 205 PM CDT Thu Jun 9 2016 The expectation of severe thunderstorms west through north central this evening and tonight highlights the short term period. Latest water vapor imagery shows an upper low circulating just off of Vancouver Island with a downstream southwest flow into North Dakota. Shortwaves peeling off from the main low and through the northern Rockies continue to produce thunderstorms in central Montana. The upper level low will meander and head into Washington state Friday before ejecting northeast through southern Canada over the weekend. This slow movement and trajectory keeps western and central ND in a favored area for periodic thunderstorms. The next shortwave to affect western and central ND is seen over western Montana into central Idaho. An associated surface cold front will advance from southern and eastern Montana into North Dakota tonight. Nsharp soundings continue to show high based thunderstorms around 8kft to 10kft west and north central with the primary threat of damaging winds. Dewpoints have been dropping across the west as mixing aloft with drier air ensues. Beach for example went from a 61f dewpoint to 48f dewpoint. Mixed layer cape should be decreasing as a result. Dcape values of around 1500 j/kg across the west late this afternoon and evening indicative of strong downdraft/damaging wind potential. Lcl heights will likely be a bit lower across north central ND as Minot sounding shows dewpoints in the lower 60s holding on through the evening. May see cloud bases around 5kft with an increased depth in cape values. The combination of surface-1km shear of around 25kt, sfc-1km and sfc-3km relative helicity of 189 and 223 meters squared/second squared may provide a brief window of tornado opportunity. The latest HRRR composite reflectivity shows the strongest cells moving across north central between 03z-06z which is coincident with the forecast sounding parameters mentioned above. Thus, damaging winds, large hail, and a possible tornado will be monitored north central early tonight. Convection will taper off from west to east after midnight. .LONG TERM...(Friday night through Thursday) Issued at 205 PM CDT Thu Jun 9 2016 Brief transitory ridging occurs Friday after the passage of Thursday nights shortwave. Thus dry during the daylight hours Friday. Another round of thunderstorms expected Friday night into Saturday, with a second shortwave following for Saturday evening/night. It appears that on Sunday, thunderstorms should be confined from the Turtle Mountains south into the James River Valley. Severe thunderstorms possible with each round, but severe weather is more favored Saturday evening/night along and ahead of a well defined warm front draped over most of western and central North Dakota. SPC maintains a large slight risk area. Continued southwest flow through the middle of next week with signs of another building ridge across central ND which may gradually decrease chances for precipitation later in the week. && .AVIATION...(For the 00Z TAFS through 00Z Friday evening) Issued at 952 PM CDT Thu Jun 9 2016 Showers and thunderstorms will move across western and central ND through about 10 UTC. Local MVFR and IFR conditions and gusty winds are expected with thunderstorms, and some could be severe with large hail and damaging winds, especially in western and north central ND. && .BIS Watches/Warnings/Advisories... NONE. && $$ UPDATE...CJS SHORT TERM...KS LONG TERM...KS AVIATION...CJS
AREA FORECAST DISCUSSION
National Weather Service Bismarck ND
803 PM CDT THU JUN 9 2016 .UPDATE... Issued at 803 PM CDT Thu Jun 9 2016 Quick update to accommodate a recently-issued severe thunderstorm watch for western and parts of central ND, which is valid through 08 UTC, per collaboration with SPC. We also increased PoPs across much of western and central ND through 09 UTC based on the recent trends in radar imagery, which show increasing storm coverage as forcing attendant to a shortwave trough approaches western ND. UPDATE Issued at 604 PM CDT Thu Jun 9 2016 Only minor changes were made to the forecast with this update. We did spread the chance of thunderstorms eastward a bit more quickly than earlier advertised given radar trends. The severe storms that moved out of northwest and into north central ND are still within an axis of MLCAPE of 2000+ J/kg given surface temperatures in the 90s and dewpoints in the lower 60s F in their inflow region. Very recent radar trends have shown a decreasing trend to those storms, though, which is likely because they are outpacing the stronger deep-layer shear that exists further west. That may marginalize the severe threat with the batch of storms northwest of Minot as of 23 UTC. Meanwhile, convection in southwest ND is high-based in an environment characterized by 40+ F temperature-dewpoint spreads and weak shear as of late afternoon, so we only expect a gusty wind threat with that activity for the next few hours. We are watching storms in MT closely (including one particularly long-lived supercell approaching Jordan as as of 23 UTC). Simple extrapolation of that activity brings it to the ND border by mid evening. If it reaches ND before the boundary layer is able to cool sufficiently for increasing capping to take hold, then there could be a more organized severe threat, particularly over west central and northwest ND. && .SHORT TERM...(This evening through Friday) Issued at 205 PM CDT Thu Jun 9 2016 The expectation of severe thunderstorms west through north central this evening and tonight highlights the short term period. Latest water vapor imagery shows an upper low circulating just off of Vancouver Island with a downstream southwest flow into North Dakota. Shortwaves peeling off from the main low and through the northern Rockies continue to produce thunderstorms in central Montana. The upper level low will meander and head into Washington state Friday before ejecting northeast through southern Canada over the weekend. This slow movement and trajectory keeps western and central ND in a favored area for periodic thunderstorms. The next shortwave to affect western and central ND is seen over western Montana into central Idaho. An associated surface cold front will advance from southern and eastern Montana into North Dakota tonight. Nsharp soundings continue to show high based thunderstorms around 8kft to 10kft west and north central with the primary threat of damaging winds. Dewpoints have been dropping across the west as mixing aloft with drier air ensues. Beach for example went from a 61f dewpoint to 48f dewpoint. Mixed layer cape should be decreasing as a result. Dcape values of around 1500 j/kg across the west late this afternoon and evening indicative of strong downdraft/damaging wind potential. Lcl heights will likely be a bit lower across north central ND as Minot sounding shows dewpoints in the lower 60s holding on through the evening. May see cloud bases around 5kft with an increased depth in cape values. The combination of surface-1km shear of around 25kt, sfc-1km and sfc-3km relative helicity of 189 and 223 meters squared/second squared may provide a brief window of tornado opportunity. The latest HRRR composite reflectivity shows the strongest cells moving across north central between 03z-06z which is coincident with the forecast sounding parameters mentioned above. Thus, damaging winds, large hail, and a possible tornado will be monitored north central early tonight. Convection will taper off from west to east after midnight. .LONG TERM...(Friday night through Thursday) Issued at 205 PM CDT Thu Jun 9 2016 Brief transitory ridging occurs Friday after the passage of Thursday nights shortwave. Thus dry during the daylight hours Friday. Another round of thunderstorms expected Friday night into Saturday, with a second shortwave following for Saturday evening/night. It appears that on Sunday, thunderstorms should be confined from the Turtle Mountains south into the James River Valley. Severe thunderstorms possible with each round, but severe weather is more favored Saturday evening/night along and ahead of a well defined warm front draped over most of western and central North Dakota. SPC maintains a large slight risk area. Continued southwest flow through the middle of next week with signs of another building ridge across central ND which may gradually decrease chances for precipitation later in the week. && .AVIATION...(For the 00Z TAFS through 00Z Friday evening) Issued at 803 PM CDT Thu Jun 9 2016 Showers and thunderstorms will move across western and central ND through about 09 UTC. Local MVFR and IFR conditions and gusty winds are expected with thunderstorms, and some could be severe with large hail and damaging winds, especially in western and north central ND. && .BIS Watches/Warnings/Advisories... NONE. && $$ UPDATE...CJS SHORT TERM...KS LONG TERM...KS AVIATION...CJS
AREA FORECAST DISCUSSION
National Weather Service Bismarck ND
458 PM CDT WED JUN 8 2016 .UPDATE... Issued at 458 PM CDT Wed Jun 8 2016 Quick update to add a 20 to 30 percent chance of showers and thunderstorms to far north central ND centered on Rolla for the late afternoon and early evening. That`s in respect to showers and weak thunderstorms moving out of southwest Manitoba and into far northern ND just before 22 UTC. Surface dewpoints range from the mid 40s to the lower 50s F ahead of that activity, yielding SBCAPE less than 500 J/kg per the SPC mesoscale analysis, so we don`t expect much if any strength to that activity. && .SHORT TERM...(This evening through Thursday) Issued at 322 PM CDT Wed Jun 8 2016 Model soundings have a good cap in place across the region and convection has been slow to organize. A weak shortwave trough is undercutting the h500 ridge over the northern plains Wednesday afternoon. This feature is supporting some organized convection across northeast South Dakota bit not in North Dakota. Have removed the chances for showers and thunderstorms this afternoon and tonight other than the far north central where a weak frontal boundary has lingered and may maintain weak showers for the evening. Tonight low level profiles suggested some patchy fog is possible in the James river valley and added patchy fog there after midnight. .LONG TERM...(Thursday night through Wednesday) Issued at 322 PM CDT Wed Jun 8 2016 The extended forecast will focus on thunderstorms and warm temperatures. As the h500 ridge moves over the northern plains Thursday, very warm temperatures are expected across west and central North Dakota. By Thursday afternoon thunderstorms are expected to form along a weak cold front moving into western North Dakota that will finally break the cap. While instability is sufficient the shear is marginal. It is expected thunderstorms have a marginal threat to become severe Thursday afternoon and Thursday night. Friday looks generally dry in the wake of the cold front which should limit convection to the james river valley and ending by afternoon. Eventually this front will end up as an east-west boundary across northern South Dakota on Saturday. This will bring somewhat cooler air into the north, while upper 80s to lower 90s reside across the south. Southeast return wind flow will increase moisture across the region during the day Saturday. This will set up a better chance for thunderstorms Saturday night into Sunday night as low pressure deepens across southwest North Dakota. The Ensemble Situational Awareness Table still shows precipitable water in the climatological 99th percentile across the northwest part of the state. Still too uncertain to forecast at this time but this pattern suggests at least a possibility of heavy rain. && .AVIATION...(For the 18Z TAFS through 18Z Thursday afternoon) Issued at 322 PM CDT Wed Jun 8 2016 Terminals will have vfr cigs/vsbys next 24hr, except KJMS, where a brief period of MVFR vsbys in mist will occur between 09z and 14z Thursday. Low clouds at KJMS look to remain scattered at this time. && .BIS Watches/Warnings/Advisories... NONE. && $$ UPDATE...CJS SHORT TERM...WAA LONG TERM...WAA AVIATION...KS
Area Forecast Discussion National Weather Service Bismarck ND 352 PM CDT WED JUN 8 2016 .SHORT TERM...(This evening through Thursday) Issued at 322 PM CDT Wed Jun 8 2016 Model soundings have a good cap in place across the region and convection has been slow to organize. A weak shortwave trough is undercutting the h500 ridge over the northern plains Wednesday afternoon. This feature is supporting some organized convection across northeast South Dakota bit not in North Dakota. Have removed the chances for showers and thunderstorms this afternoon and tonight other than the far north central where a weak frontal boundary has lingered and may maintain weak showers for the evening. Tonight low level profiles suggested some patchy fog is possible in the James river valley and added patchy fog there after midnight. .LONG TERM...(Thursday night through Wednesday) Issued at 322 PM CDT Wed Jun 8 2016 The extended forecast will focus on thunderstorms and warm temperatures. As the h500 ridge moves over the northern plains Thursday, very warm temperatures are expected across west and central North Dakota. By Thursday afternoon thunderstorms are expected to form along a weak cold front moving into western North Dakota that will finally break the cap. While instability is sufficient the shear is marginal. It is expected thunderstorms have a marginal threat to become severe Thursday afternoon and Thursday night. Friday looks generally dry in the wake of the cold front which should limit convection to the james river valley and ending by afternoon. Eventually this front will end up as an east-west boundary across northern South Dakota on Saturday. This will bring somewhat cooler air into the north, while upper 80s to lower 90s reside across the south. Southeast return wind flow will increase moisture across the region during the day Saturday. This will set up a better chance for thunderstorms Saturday night into Sunday night as low pressure deepens across southwest North Dakota. The Ensemble Situational Awareness Table still shows precipitable water in the climatological 99th percentile across the northwest part of the state. Still too uncertain to forecast at this time but this pattern suggests at least a possibility of heavy rain. && .AVIATION...(For the 18Z TAFS through 18Z Thursday afternoon) Issued at 322 PM CDT Wed Jun 8 2016 Terminals will have vfr cigs/vsbys next 24hr, except KJMS, where a brief period of MVFR vsbys in mist will occur between 09z and 14z Thursday. Low clouds at KJMS look to remain scattered at this time. && .BIS Watches/Warnings/Advisories... NONE. && $$ SHORT TERM...WAA LONG TERM...WAA AVIATION...KS
Area Forecast Discussion National Weather Service Grand Forks ND 258 PM CDT WED JUN 8 2016 .SHORT TERM...(This evening through Thursday night) Issued at 258 PM CDT Wed Jun 8 2016 Convective chances and strength will be the main challenge throughout the period. Water vapor loop shows several shortwave troughs approaching the area, one coming through southern Canada and another digging from southwestern ND into SD. A few showers have been approaching the far northern counties from the first shortwave, but have not done much for us except sprinkles at this point. The more southern shortwave has not done much except some storms in northeastern SD along the leading edge of mid level warm advection. There has been some most unstable CAPE, but the surface based instability is still well south over the SD/Neb border with the surface low. Short range models have some showers and storms festering just to the south of the CWA tonight, and this seems reasonable at this point. Will continue to keep some low POPs in our far north and far south, but the rest of the region should be fairly quiet overnight with lows dropping into the 50s and low 60s. Upper ridging will build into the forecast area during the day on Thursday, but there will be a fairly significant shortwave coming over the top of the ridge Thursday night. There should be a lot of warm air advection Thursday, and models are all in good agreement with temps tomorrow afternoon reaching the upper 80s and even low 90s, which fits upstream obs. The NAM also brings in some dew points in the upper 60s into the far southern CWA which yields some CAPE values near 4000 J/kg. However, think the NAM`s moisture advection is a bit overdone and CAPE values are a bit high, not to mention there should be a stout capping inversion for much of the day. This will break down as the shortwave starts to come over the ridge Thursday night. Think that storms will be fairly late, but even if the NAM MUCAPE values verify half of what they are showing, there should be plenty of instability and around 40 kts deep layer bulk shear to work with for some early morning severe late Thursday night at least across the western CWA. .LONG TERM...(Friday through Wednesday) Issued at 258 PM CDT Wed Jun 8 2016 Friday and Saturday...Convection could be ongoing Friday morning as a shortwave moves through and a surface trough/cold front pushes into the central CWA. Think the cool air advection will not be too impressive and will allow most of the CWA to see temps in the mid 80s to low 90s. The surface boundary should be over the southeastern counties by Friday afternoon, and some redevelopment will be possible. Deep layer shear is less impressive so not certain how strong storms will be in our area, but will continue to keep some POPs in our southeastern counties through Friday afternoon and evening. Saturday should be more quiet and a few degrees cooler with surface high pressure to our northeast. Saturday night through Wednesday...12z ECMWF has turned faster than the corresponding GFS in bringing in SW flow and associated convection. Both of these would mean the potential for an overnight event into the day Sunday. There should be a break at some point Monday into Tuesday. Here is where these models diverge though...with the GFS offering a more zonal drier flow for Wednesday while the ECMWF digs sharper trough into the Central Plains. The blend arrives at a (barely) slight chc solution. This regime will feature above average temperatures with daytime highs rising a bit over 80 each day. && .AVIATION...(For the 18Z TAFS through 18Z Thursday afternoon) Issued at 1230 PM CDT Wed Jun 8 2016 High to eventually mid level clouds/cigs from this aftn through Thurs. A few isolated to scattered tstms could make a run toward KFAR overnight...staying consistent with prev fcst and leaving out of TAF at this time. Otherwise SSE winds aob 10kts. && .FGF Watches/Warnings/Advisories... ND...None. MN...None. && $$ SHORT TERM...JR LONG TERM...JR/WJB AVIATION...WJB
Area Forecast Discussion National Weather Service Grand Forks ND 1230 PM CDT WED JUN 8 2016 .UPDATE... Issued at 1230 PM CDT Wed Jun 8 2016 Made a few tweaks to clouds and temperatures as cirrus clouds continue to diminish across our central counties but some mid level clouds have been approaching both our southwest and far northern borders. Temps have already reached the upper 70s in the far southwest some bumped up temps a bit from what the short blend gives us. UPDATE Issued at 927 AM CDT Wed Jun 8 2016 No changes for the morning update. UPDATE Issued at 653 AM CDT Wed Jun 8 2016 Freshened up cloud cover to best fit trends as high clouds continue streaming in from the north producing partly sunny skies this morning. Otherwise, no changes made. && .SHORT TERM...(Today through Thursday) Issued at 338 AM CDT Wed Jun 8 2016 The forecast for this period starts off with northwest flow aloft and high clouds streaming in from Canada. The filtered sun will get temps up into the low 70s northeast to low 80s southwest today. A weak upper wave may bring a few showers or thunderstorms into the north late tonight. Further south, elevated thunderstorms may exist late in the night in the vicinity of a warm front close to the SD border. Models are trending away from the northern activity and toward the southern activity. May need to increase pops in the south in the future if models continue with trends. On Thursday, dew points increase to the 60s, but a stout cap will still remain in place keeping surface-based convection at bay. Temps will still climb into the 80s although there may be some low clouds in the area early in the day as indicated by 850 mb RH. .LONG TERM...(Thursday night through Tuesday) Issued at 338 AM CDT Wed Jun 8 2016 The better chance for thunderstorms will come late Thursday night and Friday as a short wave and weak surface cold front move through the area. A chance for severe storms will exist late in the night Thursday night and into Friday with this system as MUCAPES will be running 2000-3000 J/kg and effective shear above 30 kts. The GFS has the front and best upper support well into MN by 21Z. The NAM lags a bit behind the GFS, but still is further east than previous runs. Also, morning activity will likely play a role in where convection fires later in the day. Still, severe storms will be possible Friday morning and into the afternoon hours. Expect the support to be mainly east of the area by the evening hours and convective threat winding down by then. Saturday-Tuesday...00z ECMWF and 00z GFS in rather good agreement with synoptic features. A brief break in active weather on Saturday before southwest flow aloft develops for Sunday into early next week...bringing another active period. Potential exists for strong thunderstorms...although details still uncertain. Temperatures will be slightly above normal values most periods. && .AVIATION...(For the 18Z TAFS through 18Z Thursday afternoon) Issued at 1230 PM CDT Wed Jun 8 2016 High to eventually mid level clouds/cigs from this aftn through Thurs. A few isolated to scattered tstms could make a run toward KFAR overnight...staying consistent with prev fcst and leaving out of TAF at this time. Otherwise SSE winds aob 10kts. && .FGF Watches/Warnings/Advisories... ND...None. MN...None. && $$ UPDATE...JR SHORT TERM...Knutsvig LONG TERM...Knutsvig/TG AVIATION...WJB
Area Forecast Discussion National Weather Service Bismarck ND 1202 PM CDT WED JUN 8 2016 .UPDATE... Issued at 1158 AM CDT Wed Jun 8 2016 Weak convection continues to diminish and lightning network has shown no strikes within the last hour and a half. Based on these trends have removed the mention of thunder in the forecast for the remainder of the afternoon. Raised high temperatures a degree. UPDATE Issued at 944 AM CDT Wed Jun 8 2016 Regional radar loops and the Bowman radar show the convection is generally trending down. Current pops have this trend already and blended the latest trend to the current pop forecast ending the precipitation chances around 1 pm CDT. UPDATE Issued at 623 AM CDT Wed Jun 8 2016 Small area of showers/thunderstorms continues to scurry to the east across southeast/east-central Montana. This has been cycling some over the past few hours as earlier it appeared to dissipate, but has seemed to surge again over the past few radar scans. Latest HRRR tries to bring the system into the area early this morning, so have adjusted precipitation chances a bit to account for this. Updates have been sent. && .SHORT TERM...(Today through Thursday night) Issued at 318 AM CDT Wed Jun 8 2016 The main concern for this short term period will be the chance for thunderstorm development as well as the possibility of severe weather Thursday late afternoon and night. Currently...a broad upper level ridge was well established over the Rockies and front range with low pressure over eastern North America. A shortwave trough with several vort impulses moving through the ridge was associated with scattered clusters of convection over southern Saskatchewan, Manitoba, and Wyoming. At the surface, broad low pressure was along the Rockies and front range associated with the embedded upper level shortwaves. Early this morning the upper level shortwave over Montana is forecast to move into western North Dakota around daybreak and move east/southeast across the state today. The latest iterations of short term high res models indicate that the convection should hold together as it moves into North Dakota. These high based showers and isolated thunderstorms are expected to be mainly above the building thermal cap. As the shortwave moves east into central North Dakota late this morning/noon the building thermal ridge will likely suppress/weaken further the showers resulting in mid and high level clouds moving east across the state. There is increasing CAPE this afternoon in the southwest and south central...but thinking the thermal cap will inhibit lift/convection. The cap may weaken in the evening in the far southwest where there is growing instability and upper level shortwave energy across northwestern South Dakota. The building thermal cap will become more prominent on Thursday associated with the apex of the upper level ridge moving into the Dakotas. Looking at high temperatures in the low to mid 90s over western and much of central North Dakota. Low level moisture maintain or increase with forecast dewpoints into the mid and upper 60s in central North Dakota which will increase the instability with time. During the daytime Thursday shortwave energy moves northeast across Montana on the west side of the upper level ridge. A surface frontal boundary will also move east across Montana on Thursday. These features are progged to enter western North Dakota late afternoon Thursday...then move east across the state Thursday night. This scenario will set up better chances for more widespread showers and thunderstorms. Strong instability along and ahead of the front, coupled with strong 0-6km shear along and behind the front will provide the potential for strong - possibly severe - thunderstorms. The latest SPC outlook indicates a marginal chance for severe storms for most of western and central North Dakota. .LONG TERM...(Friday through Tuesday) Issued at 318 AM CDT Wed Jun 8 2016 Temperatures on Friday will be a tad bit cooler over western and northern locations behind a passing front, though readings will still be well above average. Mainly dry weather expected through the day, with thunderstorm chances returning mainly to the northwest overnight as a modest low level jet develops. Surface low deepens over southeast Montana on Saturday as ridge axis pushes easterly with a variety of short waves lifting through southwest flow. This will keep thunderstorm chances going through the day, primarily over the west. Low level jet substantially increases overnight bringing increased chances for thunderstorms, particularly over northern locations where stronger instability is noted. Will have to keep an eye on how this evolves as some severe storms will be possible. Shower/thunderstorm chances continue through Sunday with well above average temperatures. A cold front is expected to sweep through the area Sunday night into Monday bringing a return towards normal temperatures. Drier with near to slightly above average temperatures expected by mid-week. && .AVIATION...(For the 18Z TAFS through 18Z Thursday afternoon) Issued at 1158 AM CDT Wed Jun 8 2016 Terminals will have vfr cigs/vsbys next 24hr, except KJMS, where a brief period of MVFR vsbys in mist will occur between 09z and 14z Thursday. Low clouds at KJMS look to remain scattered at this time. && .BIS Watches/Warnings/Advisories... NONE. && $$ UPDATE...WAA SHORT TERM...JV LONG TERM...JJS AVIATION...WAA Area Forecast Discussion National Weather Service Little Rock AR 341 AM CDT FRI JUN 10 2016 .SHORT TERM...Today Through Saturday Night A large ridge of high pressure encompasses most of the U.S. this morning. This upper ridge will continue over the center part of the country through Saturday night. Upper low pressure will strengthen over the west coast and the northeast U.S. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue today...but moisture will be on the increase through the weekend. No rainfall is expected through tonight. A weak warm front will move north through the state Saturday. Continued the slight chance of showers and thunderstorms for mainly south and west sections Saturday...and particularly in the afternoon. Temperatures will reach the upper 80s to lower 90s this afternoon and all areas should see 90s on Saturday. Lows will be in the mid 60s to mid 70s. && .LONG TERM...Sunday Through Thursday Summerlike wx conds wl prevail acrs the FA thru the pd. Upr rdg wl be in place ovr the middle part of the country thru the upcoming weekend. However...by Mon the upr rdg wl begin to breakdown as an upr lvl storm sys shifts NEWD out of the SWRN states and heads into the Plains States. The result wl be incrsg low lvl moisture ovr the mid-south...along with mainly sctd diurnal SHRA/ TSRA thru the rest of the fcst pd. && .PRELIMINARY POINT TEMPS/POPS... Batesville AR 90 68 92 72 / 0 0 10 0 Camden AR 93 72 93 73 / 0 0 20 10 Harrison AR 90 67 91 70 / 0 0 10 10 Hot Springs AR 92 71 92 72 / 0 0 20 10 Little Rock AR 92 71 93 73 / 0 0 10 10 Monticello AR 93 72 93 73 / 0 0 20 10 Mount Ida AR 91 70 91 71 / 0 0 20 10 Mountain Home AR 90 66 92 70 / 0 0 10 0 Newport AR 90 69 93 73 / 0 0 10 10 Pine Bluff AR 92 72 93 73 / 0 0 10 10 Russellville AR 91 69 92 72 / 0 0 10 10 Searcy AR 91 69 93 72 / 0 0 10 0 Stuttgart AR 91 72 94 74 / 0 0 10 10 && .LZK Watches/Warnings/Advisories...NONE. && $$ Short Term...51 / Long Term...44
Area Forecast Discussion National Weather Service Little Rock AR 341 AM CDT FRI JUN 10 2016 .SHORT TERM...Today Through Saturday Night A large ridge of high pressure encompasses most of the U.S. this morning. This upper ridge will continue over the center part of the country through Saturday night. Upper low pressure will strengthen over the west coast and the northeast U.S. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue today...but moisture will be on the increase through the weekend. No rainfall is expected through tonight. A weak warm front will move north through the state Saturday. Continued the slight chance of showers and thunderstorms for mainly south and west sections Saturday...and particularly in the afternoon. Temperatures will reach the upper 80s to lower 90s this afternoon and all areas should see 90s on Saturday. Lows will be in the mid 60s to mid 70s. && .LONG TERM...Sunday Through Thursday Summerlike wx conds wl prevail acrs the FA thru the pd. Upr rdg wl be in place ovr the middle part of the country thru the upcoming weekend. However...by Mon the upr rdg wl begin to breakdown as an upr lvl storm sys shifts NEWD out of the SWRN states and heads into the Plains States. The result wl be incrsg low lvl moisture ovr the mid-south...along with mainly sctd diurnal SHRA/ TSRA thru the rest of the fcst pd. && .PRELIMINARY POINT TEMPS/POPS... Batesville AR 90 68 92 72 / 0 0 10 0 Camden AR 93 72 93 73 / 0 0 20 10 Harrison AR 90 67 91 70 / 0 0 10 10 Hot Springs AR 92 71 92 72 / 0 0 20 10 Little Rock AR 92 71 93 73 / 0 0 10 10 Monticello AR 93 72 93 73 / 0 0 20 10 Mount Ida AR 91 70 91 71 / 0 0 20 10 Mountain Home AR 90 66 92 70 / 0 0 10 0 Newport AR 90 69 93 73 / 0 0 10 10 Pine Bluff AR 92 72 93 73 / 0 0 10 10 Russellville AR 91 69 92 72 / 0 0 10 10 Searcy AR 91 69 93 72 / 0 0 10 0 Stuttgart AR 91 72 94 74 / 0 0 10 10 && .LZK Watches/Warnings/Advisories...NONE. && $$ Short Term...51 / Long Term...44
Area Forecast Discussion National Weather Service Little Rock AR 1234 AM CDT FRI JUN 10 2016 .AVIATION... High pressure is still dominant. Expect VFR conditions to persist for most sites through the period once again. The only exception may be some patchy fog at ADF near sunrise...with MVFR conditions. && .PREV DISCUSSION...(ISSUED 542 PM CDT THU JUN 9 2016 ) DISCUSSION... Updated to include the 00Z aviation discussion below... AVIATION... Expect VFR conditions to persist for most sites through the period once again. The only exception may be some patchy fog at ADF near sunrise. PREV DISCUSSION...(ISSUED 232 PM CDT THU JUN 9 2016) SHORT TERM...Tonight Through Friday night Upper level ridging is building overhead and will remain situated atop Arkansas through the short term period. Some afternoon CU can be seen bubbling up in western Arkansas this afternoon, evidence of a return flow pattern beginning to setup across the Arklatex region. Expect to see the CU a little further east tomorrow afternoon as high pressure continues to slide east of the state, and Gulf moisture makes headway into Arkansas. Alas, it`s summertime, summertime... And because it is summertime, temperatures will feel just as they should. Highs in the upper 80s to low 90s will be the norm this afternoon and again tomorrow. Overnight readings will also be warm, with lows from the mid 60s to near 70. LONG TERM...Saturday Through Thursday A typical summer like pattern will be seen for much of the long term period as upper level ridging will be in place across much of southern and central sections of the country. Beneath this ridge, afternoon isolated to scattered showers and thunderstorms will be seen over the weekend and more so into the early part of next week. Temperatures will be slightly above normal for the period, with highs mainly in the upper 80s to lower 90s. Humidity values will increase by early next week, which will lead to increased heat indices. Will likely avoid widespread indices of 105 but values greater than 100 will be possible early next week. Some weakening in the upper ridge may be seen into the early to middle part of next week as an upper trough looks to move in from the SW US. This trough will likely ride over the top of the ridge, compressing it southward, as move toward the Midwest from the Southern Plains. At the surface, a cold front will also approach from the northwest, which will help initiate some shower and thunderstorm activity across the state. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 542 PM CDT THU JUN 9 2016 .DISCUSSION... Updated to include the 00Z aviation discussion below... && .AVIATION... Expect VFR conditions to persist for most sites through the period once again. The only exception may be some patchy fog at ADF near sunrise. && .PREV DISCUSSION...(ISSUED 232 PM CDT THU JUN 9 2016) SHORT TERM...Tonight Through Friday night Upper level ridging is building overhead and will remain situated atop Arkansas through the short term period. Some afternoon CU can be seen bubbling up in western Arkansas this afternoon, evidence of a return flow pattern beginning to setup across the Arklatex region. Expect to see the CU a little further east tomorrow afternoon as high pressure continues to slide east of the state, and Gulf moisture makes headway into Arkansas. Alas, it`s summertime, summertime... And because it is summertime, temperatures will feel just as they should. Highs in the upper 80s to low 90s will be the norm this afternoon and again tomorrow. Overnight readings will also be warm, with lows from the mid 60s to near 70. LONG TERM...Saturday Through Thursday A typical summer like pattern will be seen for much of the long term period as upper level ridging will be in place across much of southern and central sections of the country. Beneath this ridge, afternoon isolated to scattered showers and thunderstorms will be seen over the weekend and more so into the early part of next week. Temperatures will be slightly above normal for the period, with highs mainly in the upper 80s to lower 90s. Humidity values will increase by early next week, which will lead to increased heat indices. Will likely avoid widespread indices of 105 but values greater than 100 will be possible early next week. Some weakening in the upper ridge may be seen into the early to middle part of next week as an upper trough looks to move in from the SW US. This trough will likely ride over the top of the ridge, compressing it southward, as move toward the Midwest from the Southern Plains. At the surface, a cold front will also approach from the northwest, which will help initiate some shower and thunderstorm activity across the state. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...62
Area Forecast Discussion National Weather Service Little Rock AR 232 PM CDT THU JUN 9 2016 .SHORT TERM...Tonight Through Friday night Upper level ridging is building overhead and will remain situated atop Arkansas through the short term period. Some afternoon CU can be seen bubbling up in western Arkansas this afternoon, evidence of a return flow pattern beginning to setup across the Arklatex region. Expect to see the CU a little further east tomorrow afternoon as high pressure continues to slide east of the state, and Gulf moisture makes headway into Arkansas. Alas, it`s summertime, summertime... And because it is summertime, temperatures will feel just as they should. Highs in the upper 80s to low 90s will be the norm this afternoon and again tomorrow. Overnight readings will also be warm, with lows from the mid 60s to near 70. && .LONG TERM...Saturday Through Thursday A typical summer like pattern will be seen for much of the long term period as upper level ridging will be in place across much of southern and central sections of the country. Beneath this ridge, afternoon isolated to scattered showers and thunderstorms will be seen over the weekend and more so into the early part of next week. Temperatures will be slightly above normal for the period, with highs mainly in the upper 80s to lower 90s. Humidity values will increase by early next week, which will lead to increased heat indices. Will likely avoid widespread indices of 105 but values greater than 100 will be possible early next week. Some weakening in the upper ridge may be seen into the early to middle part of next week as an upper trough looks to move in from the SW US. This trough will likely ride over the top of the ridge, compressing it southward, as move toward the Midwest from the Southern Plains. At the surface, a cold front will also approach from the northwest, which will help initiate some shower and thunderstorm activity across the state. && .PRELIMINARY POINT TEMPS/POPS... Batesville AR 66 89 67 93 / 0 0 0 10 Camden AR 67 94 72 94 / 0 0 10 20 Harrison AR 65 90 67 91 / 0 0 0 10 Hot Springs AR 67 92 70 92 / 0 0 0 20 Little Rock AR 67 92 71 94 / 0 0 0 10 Monticello AR 68 93 72 94 / 0 0 0 20 Mount Ida AR 65 91 69 91 / 0 0 0 20 Mountain Home AR 65 90 67 93 / 0 0 0 10 Newport AR 67 90 69 94 / 0 0 0 10 Pine Bluff AR 68 93 72 93 / 0 0 0 10 Russellville AR 66 92 69 93 / 0 0 0 10 Searcy AR 66 91 69 94 / 0 0 0 10 Stuttgart AR 68 91 72 94 / 0 0 0 10 && .LZK Watches/Warnings/Advisories...NONE. && $$ Short Term...64 / Long Term...226
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 123 PM CDT THU JUN 9 2016 .DISCUSSION... Updated for the 18z aviation discussion below. && .AVIATION... Not much to discuss. VFR conditions will prevail through the period. No rain is expected and the only clouds will be some high clouds and FEW-SCT bases around 6000ft AGL mainly in western and northern Arkansas. && PREV DISCUSSION...(ISSUED 352 AM CDT THU JUN 9 2016 ) SHORT TERM...Today Through Friday Night A large ridge of high pressure is over the center part of the country with an upper trough over the eastern third...and another trough entering the Pacific Northwest. The upper ridge will spread eastward through the period and will encompass much of the country by Friday night. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue through the period. No rainfall is expected through Friday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the mid 60s to lower 70s for lows. LONG TERM...Saturday Through Wednesday Model solutions rmn in good agreement with overall fcst trends thru the weekend and into next week. Upr ridging is fcst to persist ovr the mid section of the nation early in the pd...with a slow weakening trend commencing thereafter. Meanwhile...low lvl moisture wl cont to sloly incrs over time as a south wind flow prevails. High temps thru the pd wl generally range fm the upper 80s to the lower 90s...about 3 to 5 degrees abv normal for this time of year. Expect some locations to see aftn heat index readings apch the century mark durg the pd. As far as rain chcs go...typical summertime wx pattern wl result in low chc pops thru the pd as several weak upr impulses work thru the region. Convective trends wl be mainly diurnal in nature each day. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...64
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 123 PM CDT THU JUN 9 2016 .DISCUSSION... Updated for the 18z aviation discussion below. && .AVIATION... Not much to discuss. VFR conditions will prevail through the period. No rain is expected and the only clouds will be some high clouds and FEW-SCT bases around 6000ft AGL mainly in western and northern Arkansas. && PREV DISCUSSION...(ISSUED 352 AM CDT THU JUN 9 2016 ) SHORT TERM...Today Through Friday Night A large ridge of high pressure is over the center part of the country with an upper trough over the eastern third...and another trough entering the Pacific Northwest. The upper ridge will spread eastward through the period and will encompass much of the country by Friday night. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue through the period. No rainfall is expected through Friday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the mid 60s to lower 70s for lows. LONG TERM...Saturday Through Wednesday Model solutions rmn in good agreement with overall fcst trends thru the weekend and into next week. Upr ridging is fcst to persist ovr the mid section of the nation early in the pd...with a slow weakening trend commencing thereafter. Meanwhile...low lvl moisture wl cont to sloly incrs over time as a south wind flow prevails. High temps thru the pd wl generally range fm the upper 80s to the lower 90s...about 3 to 5 degrees abv normal for this time of year. Expect some locations to see aftn heat index readings apch the century mark durg the pd. As far as rain chcs go...typical summertime wx pattern wl result in low chc pops thru the pd as several weak upr impulses work thru the region. Convective trends wl be mainly diurnal in nature each day. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...64
Area Forecast Discussion National Weather Service Little Rock AR 632 AM CDT THU JUN 9 2016 .AVIATION... High pressure has moved east of Arkansas. Light east and southeast winds are expected today across the area. Patchy fog around ADF will dissipate rapidly this morning. Mainly high cirrus will be seen today. VFR conditions will continue through the period. && .PREV DISCUSSION...(ISSUED 352 AM CDT THU JUN 9 2016 ) SHORT TERM...Today Through Friday Night A large ridge of high pressure is over the center part of the country with an upper trough over the eastern third...and another trough entering the Pacific Northwest. The upper ridge will spread eastward through the period and will encompass much of the country by Friday night. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue through the period. No rainfall is expected through Friday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the mid 60s to lower 70s for lows. LONG TERM...Saturday Through Wednesday Model solutions rmn in good agreement with overall fcst trends thru the weekend and into next week. Upr ridging is fcst to persist ovr the mid section of the nation early in the pd...with a slow weakening trend commencing thereafter. Meanwhile...low lvl moisture wl cont to sloly incrs over time as a south wind flow prevails. High temps thru the pd wl generally range fm the upper 80s to the lower 90s...about 3 to 5 degrees abv normal for this time of year. Expect some locations to see aftn heat index readings apch the century mark durg the pd. As far as rain chcs go...typical summertime wx pattern wl result in low chc pops thru the pd as several weak upr impulses work thru the region. Convective trends wl be mainly diurnal in nature each day. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion National Weather Service Little Rock AR 352 AM CDT THU JUN 9 2016 .SHORT TERM...Today Through Friday Night A large ridge of high pressure is over the center part of the country with an upper trough over the eastern third...and another trough entering the Pacific Northwest. The upper ridge will spread eastward through the period and will encompass much of the country by Friday night. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue through the period. No rainfall is expected through Friday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the mid 60s to lower 70s for lows. && .LONG TERM...Saturday Through Wednesday Model solutions rmn in good agreement with overall fcst trends thru the weekend and into next week. Upr ridging is fcst to persist ovr the mid section of the nation early in the pd...with a slow weakening trend commencing thereafter. Meanwhile...low lvl moisture wl cont to sloly incrs over time as a south wind flow prevails. High temps thru the pd wl generally range fm the upper 80s to the lower 90s...about 3 to 5 degrees abv normal for this time of year. Expect some locations to see aftn heat index readings apch the century mark durg the pd. As far as rain chcs go...typical summertime wx pattern wl result in low chc pops thru the pd as several weak upr impulses work thru the region. Convective trends wl be mainly diurnal in nature each day. && .PRELIMINARY POINT TEMPS/POPS... Batesville AR 86 66 91 69 / 0 0 0 0 Camden AR 92 68 93 72 / 0 0 0 10 Harrison AR 89 65 91 68 / 0 0 0 0 Hot Springs AR 91 67 92 70 / 0 0 0 0 Little Rock AR 91 67 92 71 / 0 0 0 0 Monticello AR 91 68 93 71 / 0 0 0 0 Mount Ida AR 90 67 92 70 / 0 0 0 0 Mountain Home AR 87 65 91 68 / 0 0 0 0 Newport AR 87 67 91 70 / 0 0 0 0 Pine Bluff AR 90 68 93 71 / 0 0 0 0 Russellville AR 89 66 92 70 / 0 0 0 0 Searcy AR 89 67 92 70 / 0 0 0 0 Stuttgart AR 90 68 92 71 / 0 0 0 0 && .LZK Watches/Warnings/Advisories...NONE. && $$ Short Term...51 / Long Term...44
Area Forecast Discussion National Weather Service Little Rock AR 1222 AM CDT THU JUN 9 2016 .AVIATION... Expect VFR conditions to persist through the period. However... there could be some MVFR fog at ADF. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. Precipitation is not expected through this TAF period. && .PREV DISCUSSION...(ISSUED 602 PM CDT WED JUN 8 2016 ) DISCUSSION... Updated to include the 00Z aviation discussion below... AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion National Weather Service Little Rock AR 1222 AM CDT THU JUN 9 2016 .AVIATION... Expect VFR conditions to persist through the period. However... there could be some MVFR fog at ADF. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. Precipitation is not expected through this TAF period. && .PREV DISCUSSION...(ISSUED 602 PM CDT WED JUN 8 2016 ) DISCUSSION... Updated to include the 00Z aviation discussion below... AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion National Weather Service Little Rock AR 1222 AM CDT THU JUN 9 2016 .AVIATION... Expect VFR conditions to persist through the period. However... there could be some MVFR fog at ADF. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. Precipitation is not expected through this TAF period. && .PREV DISCUSSION...(ISSUED 602 PM CDT WED JUN 8 2016 ) DISCUSSION... Updated to include the 00Z aviation discussion below... AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion National Weather Service Little Rock AR 1222 AM CDT THU JUN 9 2016 .AVIATION... Expect VFR conditions to persist through the period. However... there could be some MVFR fog at ADF. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. Precipitation is not expected through this TAF period. && .PREV DISCUSSION...(ISSUED 602 PM CDT WED JUN 8 2016 ) DISCUSSION... Updated to include the 00Z aviation discussion below... AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 602 PM CDT WED JUN 8 2016 .DISCUSSION... Updated to include the 00Z aviation discussion below... && .AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. && .PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...62
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 602 PM CDT WED JUN 8 2016 .DISCUSSION... Updated to include the 00Z aviation discussion below... && .AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. && .PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...62
Area Forecast Discussion National Weather Service Little Rock AR 241 PM CDT WED JUN 8 2016 .SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. && .LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .PRELIMINARY POINT TEMPS/POPS... Batesville AR 63 87 66 89 / 0 0 0 0 Camden AR 66 92 67 94 / 0 0 0 0 Harrison AR 63 89 66 89 / 0 10 0 0 Hot Springs AR 65 91 67 91 / 0 0 0 0 Little Rock AR 66 91 67 93 / 0 0 0 0 Monticello AR 65 91 67 93 / 0 0 0 0 Mount Ida AR 64 91 67 90 / 0 0 0 0 Mountain Home AR 63 88 66 91 / 0 10 0 0 Newport AR 65 87 67 91 / 0 0 0 0 Pine Bluff AR 65 91 67 91 / 0 0 0 0 Russellville AR 64 90 66 92 / 0 0 0 0 Searcy AR 64 89 67 91 / 0 0 0 0 Stuttgart AR 66 91 68 92 / 0 0 0 0 && .LZK Watches/Warnings/Advisories...NONE. && $$ Short Term...64 / Long Term...59
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 1242 PM CDT WED JUN 8 2016 .DISCUSSION... Updated for the 18z aviation discussion below. && .AVIATION... With high pressure in the region, VFR flight categories are expected through the TAF period. The one caveat may be some reduced visibility at KADF due to local moisture sources. With another day of sun/drying in the books today though, will forego including that in the 18z TAF package at this time though. && .PREV DISCUSSION...(ISSUED 1101 AM CDT WED JUN 8 2016 ) UPDATE... Issuing a quick morning update to account for expected afternoon temperature trends. The HRRR model performed admirably yesterday, showing high temperatures climbing into the low 90s across much of the southern half of the state yesterday and being considerably warmer than most other available guidance. With similar synoptic and mesoscale conditions today, and 24hr temperature changes near zero in most places, will go with a persistence forecast for today. Blended yesterday`s observed high temperatures with a mix of the 14z HRRR and other MOS guidance to come up with similar highs for today. The most notable increases were in the north and northeast where mid 80s are expected. Elsewhere low 90s are expected once again. PREV DISCUSSION...(ISSUED 330 AM CDT WED JUN 8 2016 ) SHORT TERM...Today Through Thursday Night A large area of high pressure is over the western two thirds of the country with an upper trough over the eastern third. The upper ridge will spread eastward through the period and will encompass much of the country by Thursday night. With high pressure in control...warm and dry weather will continue through the period. No rainfall is expected through Thursday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the lower to mid 60s for lows. LONG TERM...Friday Through Tuesday Rather benign wx pattern wl prevail acrs the FA for late this week and thru much of the weekend. The upr lvl flow wl be stagnant as an upr rdg rmns in place ovr the mid section of the nation. At the sfc...a rdg wl rmn situated acrs AR...allowing for a gradual uptick in low lvl rh late in the weekend. As a result...could see widely sctd mainly diurnally driven convection by Sun aftn. Heading into next week...a weakness wl dvlp in the upper lvls acrs the Mid-South. The aforementioned sfc rdg wl also breakdown...which wl allow low lvl moisture to cont incrsg. This trend...along with a fntl bndry apchg NERN AR...wl lead to sctd convection acrs the FA. Temps wl rmn at abv normal lvls ovr the weekend...with a gradual dcrs in daytime highs by Tue due to more clouds/rain chcs. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...64
AREA FORECAST DISCUSSION
National Weather Service Northern Indiana
122 AM EDT FRI JUN 10 2016 .SYNOPSIS... Issued at 306 PM EDT Thu Jun 9 2016 Warmer and more humid air will build over the region through Saturday as a warm front lifts northeast. This front will bring increasing chances for showers and thunderstorms tonight into Friday morning. Low chances for additional storms will continue into Friday afternoon and Saturday. Lows tonight will range from around 60 to the upper 60s. Highs Friday and Saturday will range from the mid 80s to lower 90s. Heat indices both days will be around 90 to the mid 90s. && .UPDATE... Issued at 916 PM EDT Thu Jun 9 2016 Widely scattered showers continue to develop over the past hour or 2 generally from Michigan City to Warsaw where earlier light rain has allowed for rapid moistening of the column...depicted by quick jump in dewpoints into the lower 60s. Effective warm front still residing well southwest of the area from eastern Iowa across central Illinois to south of Lafayette with current/past shower/storm activity helping slow progress of the front for the moment. Convection has quickly developed over the last hour or so across southern WI/northern IL on nose of modest low level jet and pocket of 2000 j/kg of CAPE. One cell went up and became marginally severe but quickly collapsed on itself despite somewhat favorable shear. As these cell are dropping southeast the appear to weaken as they move away from the pocket of better instability. This causes concerns with regards to SE extent over time into the area. Have to make some changes to the grids...at least through 6z and maybe beyond to shift focus more southwest. Don`t want to get too carried awat with everything still evolving...but HRRR has consistently kept better chances for precip in SW areas with more sct in nature NE. Will do best to capture trends in grids but more updates likely. && .SHORT TERM...(This Evening through Friday) Issued at 249 PM EDT Thu Jun 9 2016 Thunderstorm initiation and evolution remain primary concern in the short term period for tonight and Friday. Models continue to indicate thunderstorm development this evening near a northwest to southeast oriented warm front which will slowly lift northeast. This boundary will be quasi stationary tonight into Friday as low level jet increases tonight along with theta-e surge and a weak short wave in northwest flow aloft. 12z model runs have continued prior trend of weaker forcing tonight but still initiate convection in same general area from WI to southern Lake Michigan. Complex expected to roll southeast along instability gradient near sfc front. Elevated instability is weaker as are mid level lapse rates. Better thermodynamics now arrive later tonight which will keep storms more in check. Still enough instability and modest 0-3km bulk shear of 25 to 30 knots to support a few strong storms and possibly a low end isolated severe storm...mainly in the northwest. Hail will be primary hazard and locally heavy rain possible with pwats increasing to over 1.5 inches but storms should be progressive. Rather stout low level inversion seen on soundings should limit wind gusts. Thunderstorms may linger in the east Friday morning before exiting the local area. Cloud debris likely early but should see sun mid to late morning with strong heating in the afternoon. Atmosphere looks capped with mid level heights rising. Cannot rule out isolated afternoon storms with any weak short wave but best chance per hires models appears to be in the east on fringe of increasing heights and thermal bubble. Still a low chance. High temps expected to recover to around 90 in the west and middle 80s east. Dew points will be on the rise...especially if we get decent rainfall tonight. This will make it feel much more humid than recent days. && .LONG TERM...(Friday Night through Thursday) Issued at 249 PM EDT Thu Jun 9 2016 Another convective complex looks likely Friday night along warm front which will have lifted north of our area. Depending on evolution this could clip our northern counties late Friday night. Residual cloud cover remains a concern for Saturday impacting high temps and degree of destabilization. We remain on edge of mid level plains ridge and expect subsidence and drier air to our west to help keep western areas mostly clear and eventually erode any remaining cloud cover central. Temps still expected to soar into lower and even mid 90s west with full sun. Eastern areas remain more in question and stayed a bit conservative there with high temps...still reaching upper 80s. Afternoon CAPE to approach 2500-3000 j/kg but shear remains rather poor with just 15 to 20 knots and no strong signal for forcing. There are some hints at a pre-frontal trough dropping south out of decaying MCS that depending on timing could set off some storms in the afternoon. Given degree of instability present...strong and isolated severe storms are possible conditional on trigger as seen in 4km NAM. Main synoptic cold front sags through Saturday night. Slightly cooler air to filter in...especially northeast. This front to mainly scour out low level moisture leaving dry but seasonably warm conditions for Sunday and Monday as mid level ridge builds in. Models then hinting toward a rex block pattern with upper low developing over the plains underneath ridge. This occurring as very strong low pressure stalls over Newfoundland. Plains low then drifts toward our area with another quasi stationary boundary situated west to east. This to provide additional tsra chances through much of next week. Models tend to perform poorly with these weak cutoff lows in the warm season so confidence low in the long term period. && .AVIATION...(For the 06Z TAFS through 06Z Friday Night) Issued at 122 AM EDT Fri Jun 10 2016 Vfr conds xpcd going fwd. Hwvr expanding conv cluster alg nose of focused into se WI/far ne IL attm xpcd to shift ewd erly this morning and overspread the terminals w/a pd of mvfr restriction in tsra likely. While any sense of consensus amg CAMs solutions is certainly lacking...extrapolation of current activity bridges loosely w/latest HRRR and spc 4km wrf both of which were used for timing. Otrws aftn pd presents somewhat of a dichotomy as much of the nr term solution scope dvlps a fairly unstable airmass yet do not redvlp storms invof of stationary fntl zone which will no doubt be outflw augmented/anchored somewhat by erly morning activity. Will forego a mention at this point but cont to monitor morning conv evolution and nr term guidance trends. && .IWX Watches/Warnings/Advisories... IN...NONE. MI...NONE. OH...NONE. LM...NONE. && $$ UPDATE...Fisher SYNOPSIS...Skipper SHORT TERM...Lashley LONG TERM...Lashley AVIATION...T Visit us at www.weather.gov/iwx Follow us on Facebook...Twitter...and YouTube at: www.facebook.com/NWSNorthernIndiana www.twitter.com/nwsiwx www.youtube.com/NWSNorthernIndiana
AREA FORECAST DISCUSSION
National Weather Service Topeka KS
257 AM CDT FRI JUN 10 2016 .SHORT TERM...(Today and Tonight) Issued at 255 AM CDT FRI JUN 10 2016 Southerly winds have helped keep overnight lows up into the middle 70s, although should still fall another few degrees before sunrise. With a warm start and mid level temps similar to yesterdays numbers, anticipating highs similar to Thursday with low to middle 90s from SE to NW. However dewpoints rise into the middle/upper 60s by the afternoon hours, and bump heat indicies into the middle/upper 90s. Weak upper trof out over the high plains on Thursday advances slightly eastward, but still not quite far enough east with the lift or to break the cap and bring precipitation into our area. For now only have an increase in cloud cover and will watch for progression. .LONG TERM...(Saturday through Thursday) Issued at 255 AM CDT FRI JUN 10 2016 On Saturday the upper ridge will be centered over the central US, while a remnant shortwave meanders close to the forecast area. At the moment the models depict this wave will be located east of the area as it rotates around the center of the high to the north. Most of the precipitation associated with this wave will occur over the Ozarks. Temperatures will not changed much with highs is the lower to mid 90s, and heat indices close to 100. On Sunday the upper high will begin to shift eastward over the Midwest. Meanwhile the longwave trough will progress into the Rockies. The models are keeping most of the area dry with not much forcing in place. Sunday evening a front over western NE will support the development of a storm complex that may progress along or near the KS/NE state line overnight. If this complex of storms moves across the area Monday morning clouds and lingering precip will effect the outcome for the afternoon. The models begin to disagree on how to handle the front, which is fairly weak, and show a shortwave trough lifting out over the plains Monday or Tuesday. There is uncertainty regarding any remnant outflows and or frontal positions. Ultimately cyclogenesis will support a surface low pressure to move across western and central KS either Monday or Tuesday due to timing differences. Instability could be very high ahead of this system, and the deep layer shear will increase due to the wave. By Thursday the shortwave will cut off from the main flow and meander somewhere over the MS valley. Precipitation from this wave could affect the area, but models will likely struggle with this cut off system so uncertainty is high. && .AVIATION...(For the 06Z TAFS through 06Z Friday Night) Issued at 1158 PM CDT THU JUN 9 2016 For the 06z TAFs, VFR conditions are expected through the period. Some models still suggest that there may be a slight chance for some marginal LLWS overnight, however confidence is not high enough to warrant a mention in the TAFs at this time. Expect the southerly winds to increase once again by late Friday morning, with gusts around 20kts through the afternoon. && .TOP Watches/Warnings/Advisories... NONE. && $$ SHORT TERM...67 LONG TERM...Sanders AVIATION...Hennecke
  [top] Area Forecast Discussion National Weather Service Dodge City KS 234 AM CDT FRI JUN 10 2016 ...updated short and long... .SHORT TERM...(Today and tonight) Issued at 234 AM CDT Fri Jun 10 2016 KDDC WSR-88D shows some thunderstorms early this morning across the southern zones. This activity was at the base of a very weak 500-hPa trof. This activity will diminish quickly through the early morning hours. The next shot at thunderstorms comes this afternoon and evening. Have low confidence in storms developing, since the main wave will be mainly to the E/SE. Have very low pops SE of a line from Elkhart to Liebenthal. The ARW and 4 km NAM do break out storms (in different locations though), while the NMMB is mostly dry. Again, only went with 15-20 pops. Severe weather is not expected. Otherwise, highs today will be in the 90s with lows in the 60s to around 70 for Saturday morning. .LONG TERM...(Saturday through Thursday) Issued at 234 AM CDT Fri Jun 10 2016 The forecast is dry through early Sunday. Decided to take out pops Saturday evening as not seeing a whole lot of opportunity for convection with a 590 dm high overhead. Pops do ramp up quickly late Sunday into Monday and Tuesday. A synoptic trof will begin to influence our region with dynamics aloft and low level lift along surface boundaries. Tuesday looks the most interesting per the ECMWF. The GFS was not used as the trof looks too progressive. It`s summer and systems move slow typically versus what the GFS indicates. The EC paints a severe weather picture Tuesday evening with 40-50 kt of bulk shear, 3000 J/kg of CAPE and a warm front. Very large hail would be a concern if supercells develop. In addition, conceptually, warm front isolated tornadoes could be possible as well if you take the model verbatim. All these small scale details will be hammered out in future runs, but last nights 00Z EC run looked interesting for Tuesday evening as well (in terms of a ramp up of significant severe weather across the Kansas prairie). Otherwise, temps through the extended will be Summer-like with highs in the 90s and lows in the upper 60s to lower 70s. && .AVIATION...(For the 06Z TAFS through 06Z Friday night) Issued at 1200 AM CDT Fri Jun 10 2016 Convection across SW Kansas is diminishing and will watch radar trends to see if an amendment is needed at each terminal. Otherwise, VFR conditions will prevail. There could be convection once again tomorrow afternoon and evening, but latest guidance suggests this probably won`t impact the terminals. Will leave out for now. Winds will be SE/S 10-15 kt increasing 15-25 kt by late morning through dusk. && .PRELIMINARY POINT TEMPS/POPS... DDC 93 69 92 69 / 20 20 10 10 GCK 96 68 93 68 / 10 10 10 10 EHA 93 65 90 65 / 20 20 10 10 LBL 94 68 92 67 / 20 20 10 10 HYS 95 70 94 70 / 10 10 10 10 P28 95 71 93 72 / 10 20 10 10 && .DDC Watches/Warnings/Advisories... NONE. && $$ SHORT TERM...Sugden LONG TERM...Sugden AVIATION...Sugden
Area Forecast Discussion National Weather Service Dodge City KS 234 AM CDT FRI JUN 10 2016 ...updated short and long... .SHORT TERM...(Today and tonight) Issued at 234 AM CDT Fri Jun 10 2016 KDDC WSR-88D shows some thunderstorms early this morning across the southern zones. This activity was at the base of a very weak 500-hPa trof. This activity will diminish quickly through the early morning hours. The next shot at thunderstorms comes this afternoon and evening. Have low confidence in storms developing, since the main wave will be mainly to the E/SE. Have very low pops SE of a line from Elkhart to Liebenthal. The ARW and 4 km NAM do break out storms (in different locations though), while the NMMB is mostly dry. Again, only went with 15-20 pops. Severe weather is not expected. Otherwise, highs today will be in the 90s with lows in the 60s to around 70 for Saturday morning. .LONG TERM...(Saturday through Thursday) Issued at 234 AM CDT Fri Jun 10 2016 The forecast is dry through early Sunday. Decided to take out pops Saturday evening as not seeing a whole lot of opportunity for convection with a 590 dm high overhead. Pops do ramp up quickly late Sunday into Monday and Tuesday. A synoptic trof will begin to influence our region with dynamics aloft and low level lift along surface boundaries. Tuesday looks the most interesting per the ECMWF. The GFS was not used as the trof looks too progressive. It`s summer and systems move slow typically versus what the GFS indicates. The EC paints a severe weather picture Tuesday evening with 40-50 kt of bulk shear, 3000 J/kg of CAPE and a warm front. Very large hail would be a concern if supercells develop. In addition, conceptually, warm front isolated tornadoes could be possible as well if you take the model verbatim. All these small scale details will be hammered out in future runs, but last nights 00Z EC run looked interesting for Tuesday evening as well (in terms of a ramp up of significant severe weather across the Kansas prairie). Otherwise, temps through the extended will be Summer-like with highs in the 90s and lows in the upper 60s to lower 70s. && .AVIATION...(For the 06Z TAFS through 06Z Friday night) Issued at 1200 AM CDT Fri Jun 10 2016 Convection across SW Kansas is diminishing and will watch radar trends to see if an amendment is needed at each terminal. Otherwise, VFR conditions will prevail. There could be convection once again tomorrow afternoon and evening, but latest guidance suggests this probably won`t impact the terminals. Will leave out for now. Winds will be SE/S 10-15 kt increasing 15-25 kt by late morning through dusk. && .PRELIMINARY POINT TEMPS/POPS... DDC 93 69 92 69 / 20 20 10 10 GCK 96 68 93 68 / 10 10 10 10 EHA 93 65 90 65 / 20 20 10 10 LBL 94 68 92 67 / 20 20 10 10 HYS 95 70 94 70 / 10 10 10 10 P28 95 71 93 72 / 10 20 10 10 && .DDC Watches/Warnings/Advisories... NONE. && $$ SHORT TERM...Sugden LONG TERM...Sugden AVIATION...Sugden
Area Forecast Discussion National Weather Service Goodland KS 1135 PM MDT THU JUN 9 2016 .SHORT TERM...(This evening through Friday) Issued at 201 PM MDT Thu Jun 9 2016 Early afternoon WV satellite imagery and RAP analysis shows upper level ridging across the SW US. A shortwave trough is currently centered over western KS with a weaker shortwave rotating over eastern KS. At the surface a surface trough is approximately along the CO/KS border extending into SW Nebraska, with SW flow across SW Kansas into south central Nebraska. This afternoon-evening: with forcing associated with shortwave trough lingering potential exists for thunderstorm development. Main CAPE axis is associated with moist surface layer in SW flow with marginal CAPE values expected across our southeast. ML CIN is in the process of weakening, so initiation s0ouc take place in region of weak convergence. LCLs/LFCs are high with a high melting layer associated with warm/dry adiabatic layer through approximately 700mb. Above this there is limited moisture advection. Drier and more subsident air mass is in our northwest lowering confidence in initiation in all but our NW Kansas counties where strongest precip signal is in place. Due to the dry nature of the soundings coverage should remain isolated to widely scattered. Main axis of forcing transitions east this evening, and loss of daytime heating/stabilization of the boundary layer should lead to any lingering activity diminishing after sunset. Due to the high bases, deep melting layer, and marginal CAPE values in our CWA, confidence in severe hail is lower. On the other hand DCAPE values in the 1500 J/KG range, and Inverted V soundings raises concern for microburst potential. Friday: H5 ridge will be centered roughly across our western CWA, with large scale subsidence and an even drier air mass limiting any thunderstorm potential. Bigger story will be the hot air mass in place, with mean H85 temps at 30-31C range. Warmer guidance is even higher. Warmest layer is actually in the 925mb layer with some guidance showing temps around 37C (98F). With even minor bias corrections the mean/consensus guidance shows highs in the upper 90s, and it is certainly possible for some locations to reach the low 100s. .LONG TERM...(Friday night through Thursday) Issued at 247 PM MDT Thu Jun 9 2016 Friday through Saturday remain hot and dry with the upper ridge moving into place over the central United States and southerly flow at the surface. On Sunday, the upper ridge axis pushes east with a short wave trough aloft lifting out across the central high plains ahead of the main upper trough that starts progressing eastward into the southwestern U.S. A surface trough also associated with the upper wave moves east across the forecast area with a weak cold front to follow overnight Sunday night. Temperatures on Monday will cool somewhat, but will remain slightly above normal with highs in the middle to upper 80s. The best chance of precipitation will be Monday evening through Tuesday as the low over the southwest U.S. lifts out across the Rockies and Central High Plains as an open wave with another surface trough/front expected to move across the forecast area. Temperatures on Tuesday will be slightly cooler on Tuesday as a result. Wednesday and into Thursday look dry and hot again as short wave ridging replaces the trough aloft with high pressure also generally in place across the central U.S. && .AVIATION...(For the 06Z TAFS through 06Z Friday night) Issued at 1135 PM MDT Thu Jun 9 2016 VFR conditions anticipated over the next 24 hours. This is due to abundant dry air that will maintain it`s firm grip on the Tri- State Region. Decided to put LLWS back into the TAF at KMCK. Latest VAD Wind Profile data from KGLD radar indicates a 45 kt low level jet. This is on the fringe of the main jet so think guidance under forecast the strength of the jet. Anticipate LLWS to persist until just before sunrise when the jet weakens and slides east. && .GLD Watches/Warnings/Advisories... KS...NONE. CO...NONE. NE...NONE. && $$ SHORT TERM...DR LONG TERM...LOCKHART AVIATION...RRH
AREA FORECAST DISCUSSION
National Weather Service Topeka KS
1159 PM CDT THU JUN 9 2016 ...Update to aviation forecast discussion... .SHORT TERM...(This Evening through Friday) Issued at 255 PM CDT THU JUN 9 2016 Weak upper flow continues over the Central Plains this afternoon. A weak upper trough was evident in the water vapor imagery over western Nebraska into to the Texas Panhandle. Another weakening circulation was moving across southeast Kansas and northeast Oklahoma. Surface dry line was located over the high plains and will move very little. Short term models differ with convection this evening with the HRRR and and the RUC moving in some weakening convection from the west during the late evening hours into north central Kansas. The experimental HRRR keeps precipitation to the west and diminishes it before moving to the east of U.S. 81 Highway tonight. Will continue with small precipitation chances in north central Kansas tonight. Lows tonight will continue to be mild with readings in the upper 60s to lower 70s. Friday, Another good warm up is expected with the thermal ridge extending into central Kansas have increased highs slightly into the mid 90s with lower 90s elsewhere across northeast and east central Kansas. The afternoon heat index will reach near 100 degrees across parts of north central and northeast Kansas with the rest of the area in the mid to upper 90s heat index. Weak upper trough/wave moves across central and east Kansas on Friday. There is little in the way of surface moisture convergence with the absence of any boundary and a small EML remains in place through much of the day. The upper trough fills as it moves east with the NAM the strongest with the upper energy. Cannot rule out an isolated late afternoon storm out in central Kansas, but confidence is not high enough to include in forecast at this time. .LONG TERM...(Friday Night through Thursday) Issued at 255 PM CDT THU JUN 9 2016 For Friday night through Sunday, the main question with the forecast is whether a lobe of vorticity gets trapped within the upper ridge over the state. This idea was not in the operational models yesterday, and now have almost a weak closed low aloft near the forecast area during the weekend. Therefore confidence is not all that great. Forecast soundings suggest the airmass will be conditionally unstable with little inhibition to convection. So if this piece of energy is near the area, there could be some diurnally driven convection Saturday and/or Sunday. For now have left POPs around 10 percent but later shifts may need to increase chances if models continue to leave behind this energy within the ridge. The forecast appears to be in good shape regarding forecast temps as there isn`t much chance in the solution`s thermal profiles. Highs are expected to be in the lower and middle 90s as forecast soundings mix the boundary layer to around 825MB. Continued southerly flow and dewpoints holding in the 60s overnight support the lows forecast for temps bottoming out around 70 degrees. Precip chances should be on the increase for Sunday night through much of next week as the upper ridge breaks down and energy from the west passes through the plains. An initial shortwave is progged to pass through the central plains Sunday night and early Monday. Then a more amplified system moves slowly across the plains through Wednesday. The medium range models have come into better agreement in closing off an upper low just north of the forecast area by Wednesday. Think the better chances for precip will be Monday through Tuesday night as the upper wave initially moves out from the southern Rockies and a surface wave lifts across the area. After Wednesday, there are question on where the closed low drifts to and a possible dry slot working into the area. Have held onto some small POPs Wednesday night and across eastern KS for Thursday to account for the closed low in the region. The models show temps trending cooler for next week as the upper system moves through the region. However am a little concerned temps could be to cool as cold raw model guidance seems to be skewing the forecast cooler when there is no significant cold air advection. This is probably due to the models generating precip during these periods. Unless it is cloudy and raining all day, it is hard to see why temps would not continue to be in the lower 90s for Monday and Tuesday. With this in mind have kept highs in the upper 80s and around 90 rather than the middle 80s. There are signs of increasing cold air advection by Wednesday as the upper closed low moves east of the forecast area. With this in mind, have shown a little more of a cool down for the later part of the forecast. && .AVIATION...(For the 06Z TAFS through 06Z Friday Night) Issued at 1158 PM CDT THU JUN 9 2016 For the 06z TAFs, VFR conditions are expected through the period. Some models still suggest that there may be a slight chance for some marginal LLWS overnight, however confidence is not high enough to warrant a mention in the TAFs at this time. Expect the southerly winds to increase once again by late Friday morning, with gusts around 20kts through the afternoon. && .TOP Watches/Warnings/Advisories... NONE. && $$ SHORT TERM...53 LONG TERM...Wolters AVIATION...Hennecke
AREA FORECAST DISCUSSION
National Weather Service Bismarck ND
109 AM CDT FRI JUN 10 2016 .UPDATE... Issued at 109 AM CDT Fri Jun 10 2016 We cancelled those portions of severe thunderstorm watch number 240 which are behind the primary, linear band of thunderstorms that extends from near Rugby southward into Sheridan County as of 06 UTC. The line of storms has back-built south of the watch and into eastern Burleigh County east of Bismarck. We will watch radar trends to see if Kidder and Stutsman Counties need to be added to the watch, but at this point trends in intensity suggest we might not need to expand it any further. UPDATE Issued at 1157 PM CDT Thu Jun 9 2016 Another quick update to extend severe thunderstorm watch 240 into Foster County based on upstream radar trends and in collaboration with SPC and WFO Grand Forks. We also trimmed a few more counties in southwest ND from watch 240 with this update. UPDATE Issued at 1127 PM CDT Thu Jun 9 2016 We collaborated with SPC to expand the severe thunderstorm watch downstream of the intense thunderstorms that were centered around Minot at 04 UTC. The severe threat is beginning to diminish to the west, so we also cancelled the watch for Divide, Burke, and Williams Counties. Additional counties in western ND will likely be able to be removed from the watch in the next 90 minutes. UPDATE Issued at 952 PM CDT Thu Jun 9 2016 Overall, the forecast is trending well and only minor changes were made with this update, namely to ramp up PoPs a bit again based on recent HRRR simulations. We discussed the possibility of expanding the severe thunderstorm watch further east into Bismarck/Mandan with SPC, but based on radar trends and some capping shown on the 00 UTC Bismarck sounding the threat appears marginal enough (but certainly non-zero) to hold off on expanding the watch in space at this point. We will continue to re-evaluate that possibility over the next few hours, though. UPDATE Issued at 803 PM CDT Thu Jun 9 2016 Quick update to accommodate a recently-issued severe thunderstorm watch for western and parts of central ND, which is valid through 08 UTC, per collaboration with SPC. We also increased PoPs across much of western and central ND through 09 UTC based on the recent trends in radar imagery, which show increasing storm coverage as forcing attendant to a shortwave trough approaches western ND. UPDATE Issued at 604 PM CDT Thu Jun 9 2016 Only minor changes were made to the forecast with this update. We did spread the chance of thunderstorms eastward a bit more quickly than earlier advertised given radar trends. The severe storms that moved out of northwest and into north central ND are still within an axis of MLCAPE of 2000+ J/kg given surface temperatures in the 90s and dewpoints in the lower 60s F in their inflow region. Very recent radar trends have shown a decreasing trend to those storms, though, which is likely because they are outpacing the stronger deep-layer shear that exists further west. That may marginalize the severe threat with the batch of storms northwest of Minot as of 23 UTC. Meanwhile, convection in southwest ND is high-based in an environment characterized by 40+ F temperature-dewpoint spreads and weak shear as of late afternoon, so we only expect a gusty wind threat with that activity for the next few hours. We are watching storms in MT closely (including one particularly long-lived supercell approaching Jordan as as of 23 UTC). Simple extrapolation of that activity brings it to the ND border by mid evening. If it reaches ND before the boundary layer is able to cool sufficiently for increasing capping to take hold, then there could be a more organized severe threat, particularly over west central and northwest ND. && .SHORT TERM...(This evening through Friday) Issued at 205 PM CDT Thu Jun 9 2016 The expectation of severe thunderstorms west through north central this evening and tonight highlights the short term period. Latest water vapor imagery shows an upper low circulating just off of Vancouver Island with a downstream southwest flow into North Dakota. Shortwaves peeling off from the main low and through the northern Rockies continue to produce thunderstorms in central Montana. The upper level low will meander and head into Washington state Friday before ejecting northeast through southern Canada over the weekend. This slow movement and trajectory keeps western and central ND in a favored area for periodic thunderstorms. The next shortwave to affect western and central ND is seen over western Montana into central Idaho. An associated surface cold front will advance from southern and eastern Montana into North Dakota tonight. Nsharp soundings continue to show high based thunderstorms around 8kft to 10kft west and north central with the primary threat of damaging winds. Dewpoints have been dropping across the west as mixing aloft with drier air ensues. Beach for example went from a 61f dewpoint to 48f dewpoint. Mixed layer cape should be decreasing as a result. Dcape values of around 1500 j/kg across the west late this afternoon and evening indicative of strong downdraft/damaging wind potential. Lcl heights will likely be a bit lower across north central ND as Minot sounding shows dewpoints in the lower 60s holding on through the evening. May see cloud bases around 5kft with an increased depth in cape values. The combination of surface-1km shear of around 25kt, sfc-1km and sfc-3km relative helicity of 189 and 223 meters squared/second squared may provide a brief window of tornado opportunity. The latest HRRR composite reflectivity shows the strongest cells moving across north central between 03z-06z which is coincident with the forecast sounding parameters mentioned above. Thus, damaging winds, large hail, and a possible tornado will be monitored north central early tonight. Convection will taper off from west to east after midnight. .LONG TERM...(Friday night through Thursday) Issued at 205 PM CDT Thu Jun 9 2016 Brief transitory ridging occurs Friday after the passage of Thursday nights shortwave. Thus dry during the daylight hours Friday. Another round of thunderstorms expected Friday night into Saturday, with a second shortwave following for Saturday evening/night. It appears that on Sunday, thunderstorms should be confined from the Turtle Mountains south into the James River Valley. Severe thunderstorms possible with each round, but severe weather is more favored Saturday evening/night along and ahead of a well defined warm front draped over most of western and central North Dakota. SPC maintains a large slight risk area. Continued southwest flow through the middle of next week with signs of another building ridge across central ND which may gradually decrease chances for precipitation later in the week. && .AVIATION...(For the 06Z TAFS through 06Z Friday night) Issued at 109 AM CDT Fri Jun 10 2016 Thunderstorms with local MVFR and IFR conditions, heavy rain, and gusty winds will move out of central ND by about 11 UTC. VFR conditions will prevail across western and central ND on Friday behind the weak cool front which is generating tonight`s thunderstorm activity. && .BIS Watches/Warnings/Advisories... NONE. && $$ UPDATE...CJS SHORT TERM...KS LONG TERM...KS AVIATION...CJS
AREA FORECAST DISCUSSION
National Weather Service Bismarck ND
1157 PM CDT THU JUN 9 2016 .UPDATE... Issued at 1157 PM CDT Thu Jun 9 2016 Another quick update to extend severe thunderstorm watch 240 into Foster County based on upstream radar trends and in collaboration with SPC and WFO Grand Forks. We also trimmed a few more counties in southwest ND from watch 240 with this update. UPDATE Issued at 1127 PM CDT Thu Jun 9 2016 We collaborated with SPC to expand the severe thunderstorm watch downstream of the intense thunderstorms that were centered around Minot at 04 UTC. The severe threat is beginning to diminish to the west, so we also cancelled the watch for Divide, Burke, and Williams Counties. Additional counties in western ND will likely be able to be removed from the watch in the next 90 minutes. UPDATE Issued at 952 PM CDT Thu Jun 9 2016 Overall, the forecast is trending well and only minor changes were made with this update, namely to ramp up PoPs a bit again based on recent HRRR simulations. We discussed the possibility of expanding the severe thunderstorm watch further east into Bismarck/Mandan with SPC, but based on radar trends and some capping shown on the 00 UTC Bismarck sounding the threat appears marginal enough (but certainly non-zero) to hold off on expanding the watch in space at this point. We will continue to re-evaluate that possibility over the next few hours, though. UPDATE Issued at 803 PM CDT Thu Jun 9 2016 Quick update to accommodate a recently-issued severe thunderstorm watch for western and parts of central ND, which is valid through 08 UTC, per collaboration with SPC. We also increased PoPs across much of western and central ND through 09 UTC based on the recent trends in radar imagery, which show increasing storm coverage as forcing attendant to a shortwave trough approaches western ND. UPDATE Issued at 604 PM CDT Thu Jun 9 2016 Only minor changes were made to the forecast with this update. We did spread the chance of thunderstorms eastward a bit more quickly than earlier advertised given radar trends. The severe storms that moved out of northwest and into north central ND are still within an axis of MLCAPE of 2000+ J/kg given surface temperatures in the 90s and dewpoints in the lower 60s F in their inflow region. Very recent radar trends have shown a decreasing trend to those storms, though, which is likely because they are outpacing the stronger deep-layer shear that exists further west. That may marginalize the severe threat with the batch of storms northwest of Minot as of 23 UTC. Meanwhile, convection in southwest ND is high-based in an environment characterized by 40+ F temperature-dewpoint spreads and weak shear as of late afternoon, so we only expect a gusty wind threat with that activity for the next few hours. We are watching storms in MT closely (including one particularly long-lived supercell approaching Jordan as as of 23 UTC). Simple extrapolation of that activity brings it to the ND border by mid evening. If it reaches ND before the boundary layer is able to cool sufficiently for increasing capping to take hold, then there could be a more organized severe threat, particularly over west central and northwest ND. && .SHORT TERM...(This evening through Friday) Issued at 205 PM CDT Thu Jun 9 2016 The expectation of severe thunderstorms west through north central this evening and tonight highlights the short term period. Latest water vapor imagery shows an upper low circulating just off of Vancouver Island with a downstream southwest flow into North Dakota. Shortwaves peeling off from the main low and through the northern Rockies continue to produce thunderstorms in central Montana. The upper level low will meander and head into Washington state Friday before ejecting northeast through southern Canada over the weekend. This slow movement and trajectory keeps western and central ND in a favored area for periodic thunderstorms. The next shortwave to affect western and central ND is seen over western Montana into central Idaho. An associated surface cold front will advance from southern and eastern Montana into North Dakota tonight. Nsharp soundings continue to show high based thunderstorms around 8kft to 10kft west and north central with the primary threat of damaging winds. Dewpoints have been dropping across the west as mixing aloft with drier air ensues. Beach for example went from a 61f dewpoint to 48f dewpoint. Mixed layer cape should be decreasing as a result. Dcape values of around 1500 j/kg across the west late this afternoon and evening indicative of strong downdraft/damaging wind potential. Lcl heights will likely be a bit lower across north central ND as Minot sounding shows dewpoints in the lower 60s holding on through the evening. May see cloud bases around 5kft with an increased depth in cape values. The combination of surface-1km shear of around 25kt, sfc-1km and sfc-3km relative helicity of 189 and 223 meters squared/second squared may provide a brief window of tornado opportunity. The latest HRRR composite reflectivity shows the strongest cells moving across north central between 03z-06z which is coincident with the forecast sounding parameters mentioned above. Thus, damaging winds, large hail, and a possible tornado will be monitored north central early tonight. Convection will taper off from west to east after midnight. .LONG TERM...(Friday night through Thursday) Issued at 205 PM CDT Thu Jun 9 2016 Brief transitory ridging occurs Friday after the passage of Thursday nights shortwave. Thus dry during the daylight hours Friday. Another round of thunderstorms expected Friday night into Saturday, with a second shortwave following for Saturday evening/night. It appears that on Sunday, thunderstorms should be confined from the Turtle Mountains south into the James River Valley. Severe thunderstorms possible with each round, but severe weather is more favored Saturday evening/night along and ahead of a well defined warm front draped over most of western and central North Dakota. SPC maintains a large slight risk area. Continued southwest flow through the middle of next week with signs of another building ridge across central ND which may gradually decrease chances for precipitation later in the week. && .AVIATION...(For the 06Z TAFS through 06Z Friday night) Issued at 1157 PM CDT Thu Jun 9 2016 Thunderstorms with local MVFR and IFR conditions, heavy rain, and gusty winds will move out of western ND by about 08 UTC, and out of central ND by about 11 UTC. VFR conditions will prevail across western and central ND on Friday behind the weak cool front which is generating tonight`s thunderstorm activity. && .BIS Watches/Warnings/Advisories... NONE. && $$ UPDATE...CJS SHORT TERM...KS LONG TERM...KS AVIATION...CJS
AREA FORECAST DISCUSSION
National Weather Service Bismarck ND
1127 PM CDT THU JUN 9 2016 .UPDATE... Issued at 1127 PM CDT Thu Jun 9 2016 We collaborated with SPC to expand the severe thunderstorm watch downstream of the intense thunderstorms that were centered around Minot at 04 UTC. The severe threat is beginning to diminish to the west, so we also cancelled the watch for Divide, Burke, and Williams Counties. Additional counties in western ND will likely be able to be removed from the watch in the next 90 minutes. UPDATE Issued at 952 PM CDT Thu Jun 9 2016 Overall, the forecast is trending well and only minor changes were made with this update, namely to ramp up PoPs a bit again based on recent HRRR simulations. We discussed the possibility of expanding the severe thunderstorm watch further east into Bismarck/Mandan with SPC, but based on radar trends and some capping shown on the 00 UTC Bismarck sounding the threat appears marginal enough (but certainly non-zero) to hold off on expanding the watch in space at this point. We will continue to re-evaluate that possibility over the next few hours, though. UPDATE Issued at 803 PM CDT Thu Jun 9 2016 Quick update to accommodate a recently-issued severe thunderstorm watch for western and parts of central ND, which is valid through 08 UTC, per collaboration with SPC. We also increased PoPs across much of western and central ND through 09 UTC based on the recent trends in radar imagery, which show increasing storm coverage as forcing attendant to a shortwave trough approaches western ND. UPDATE Issued at 604 PM CDT Thu Jun 9 2016 Only minor changes were made to the forecast with this update. We did spread the chance of thunderstorms eastward a bit more quickly than earlier advertised given radar trends. The severe storms that moved out of northwest and into north central ND are still within an axis of MLCAPE of 2000+ J/kg given surface temperatures in the 90s and dewpoints in the lower 60s F in their inflow region. Very recent radar trends have shown a decreasing trend to those storms, though, which is likely because they are outpacing the stronger deep-layer shear that exists further west. That may marginalize the severe threat with the batch of storms northwest of Minot as of 23 UTC. Meanwhile, convection in southwest ND is high-based in an environment characterized by 40+ F temperature-dewpoint spreads and weak shear as of late afternoon, so we only expect a gusty wind threat with that activity for the next few hours. We are watching storms in MT closely (including one particularly long-lived supercell approaching Jordan as as of 23 UTC). Simple extrapolation of that activity brings it to the ND border by mid evening. If it reaches ND before the boundary layer is able to cool sufficiently for increasing capping to take hold, then there could be a more organized severe threat, particularly over west central and northwest ND. && .SHORT TERM...(This evening through Friday) Issued at 205 PM CDT Thu Jun 9 2016 The expectation of severe thunderstorms west through north central this evening and tonight highlights the short term period. Latest water vapor imagery shows an upper low circulating just off of Vancouver Island with a downstream southwest flow into North Dakota. Shortwaves peeling off from the main low and through the northern Rockies continue to produce thunderstorms in central Montana. The upper level low will meander and head into Washington state Friday before ejecting northeast through southern Canada over the weekend. This slow movement and trajectory keeps western and central ND in a favored area for periodic thunderstorms. The next shortwave to affect western and central ND is seen over western Montana into central Idaho. An associated surface cold front will advance from southern and eastern Montana into North Dakota tonight. Nsharp soundings continue to show high based thunderstorms around 8kft to 10kft west and north central with the primary threat of damaging winds. Dewpoints have been dropping across the west as mixing aloft with drier air ensues. Beach for example went from a 61f dewpoint to 48f dewpoint. Mixed layer cape should be decreasing as a result. Dcape values of around 1500 j/kg across the west late this afternoon and evening indicative of strong downdraft/damaging wind potential. Lcl heights will likely be a bit lower across north central ND as Minot sounding shows dewpoints in the lower 60s holding on through the evening. May see cloud bases around 5kft with an increased depth in cape values. The combination of surface-1km shear of around 25kt, sfc-1km and sfc-3km relative helicity of 189 and 223 meters squared/second squared may provide a brief window of tornado opportunity. The latest HRRR composite reflectivity shows the strongest cells moving across north central between 03z-06z which is coincident with the forecast sounding parameters mentioned above. Thus, damaging winds, large hail, and a possible tornado will be monitored north central early tonight. Convection will taper off from west to east after midnight. .LONG TERM...(Friday night through Thursday) Issued at 205 PM CDT Thu Jun 9 2016 Brief transitory ridging occurs Friday after the passage of Thursday nights shortwave. Thus dry during the daylight hours Friday. Another round of thunderstorms expected Friday night into Saturday, with a second shortwave following for Saturday evening/night. It appears that on Sunday, thunderstorms should be confined from the Turtle Mountains south into the James River Valley. Severe thunderstorms possible with each round, but severe weather is more favored Saturday evening/night along and ahead of a well defined warm front draped over most of western and central North Dakota. SPC maintains a large slight risk area. Continued southwest flow through the middle of next week with signs of another building ridge across central ND which may gradually decrease chances for precipitation later in the week. && .AVIATION...(For the 00Z TAFS through 00Z Friday evening) Issued at 952 PM CDT Thu Jun 9 2016 Showers and thunderstorms will move across western and central ND through about 10 UTC. Local MVFR and IFR conditions and gusty winds are expected with thunderstorms, and some could be severe with large hail and damaging winds, especially in western and north central ND. && .BIS Watches/Warnings/Advisories... NONE. && $$ UPDATE...CJS SHORT TERM...KS LONG TERM...KS AVIATION...CJS Area Forecast Discussion National Weather Service Little Rock AR 657 AM CDT FRI JUN 10 2016 .AVIATION... High pressure will keep quiet weather over the area again today. VFR conditions will prevail. Some morning fog in the south...with MVFR conditions...will dissipate early this morning. && .PREV DISCUSSION...(ISSUED 341 AM CDT FRI JUN 10 2016 ) SHORT TERM...Today Through Saturday Night A large ridge of high pressure encompasses most of the U.S. this morning. This upper ridge will continue over the center part of the country through Saturday night. Upper low pressure will strengthen over the west coast and the northeast U.S. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue today...but moisture will be on the increase through the weekend. No rainfall is expected through tonight. A weak warm front will move north through the state Saturday. Continued the slight chance of showers and thunderstorms for mainly south and west sections Saturday...and particularly in the afternoon. Temperatures will reach the upper 80s to lower 90s this afternoon and all areas should see 90s on Saturday. Lows will be in the mid 60s to mid 70s. LONG TERM...Sunday Through Thursday Summerlike wx conds wl prevail acrs the FA thru the pd. Upr rdg wl be in place ovr the middle part of the country thru the upcoming weekend. However...by Mon the upr rdg wl begin to breakdown as an upr lvl storm sys shifts NEWD out of the SWRN states and heads into the Plains States. The result wl be incrsg low lvl moisture ovr the mid-south...along with mainly sctd diurnal SHRA/ TSRA thru the rest of the fcst pd. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion National Weather Service Little Rock AR 341 AM CDT FRI JUN 10 2016 .SHORT TERM...Today Through Saturday Night A large ridge of high pressure encompasses most of the U.S. this morning. This upper ridge will continue over the center part of the country through Saturday night. Upper low pressure will strengthen over the west coast and the northeast U.S. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue today...but moisture will be on the increase through the weekend. No rainfall is expected through tonight. A weak warm front will move north through the state Saturday. Continued the slight chance of showers and thunderstorms for mainly south and west sections Saturday...and particularly in the afternoon. Temperatures will reach the upper 80s to lower 90s this afternoon and all areas should see 90s on Saturday. Lows will be in the mid 60s to mid 70s. && .LONG TERM...Sunday Through Thursday Summerlike wx conds wl prevail acrs the FA thru the pd. Upr rdg wl be in place ovr the middle part of the country thru the upcoming weekend. However...by Mon the upr rdg wl begin to breakdown as an upr lvl storm sys shifts NEWD out of the SWRN states and heads into the Plains States. The result wl be incrsg low lvl moisture ovr the mid-south...along with mainly sctd diurnal SHRA/ TSRA thru the rest of the fcst pd. && .PRELIMINARY POINT TEMPS/POPS... Batesville AR 90 68 92 72 / 0 0 10 0 Camden AR 93 72 93 73 / 0 0 20 10 Harrison AR 90 67 91 70 / 0 0 10 10 Hot Springs AR 92 71 92 72 / 0 0 20 10 Little Rock AR 92 71 93 73 / 0 0 10 10 Monticello AR 93 72 93 73 / 0 0 20 10 Mount Ida AR 91 70 91 71 / 0 0 20 10 Mountain Home AR 90 66 92 70 / 0 0 10 0 Newport AR 90 69 93 73 / 0 0 10 10 Pine Bluff AR 92 72 93 73 / 0 0 10 10 Russellville AR 91 69 92 72 / 0 0 10 10 Searcy AR 91 69 93 72 / 0 0 10 0 Stuttgart AR 91 72 94 74 / 0 0 10 10 && .LZK Watches/Warnings/Advisories...NONE. && $$ Short Term...51 / Long Term...44
Area Forecast Discussion National Weather Service Little Rock AR 341 AM CDT FRI JUN 10 2016 .SHORT TERM...Today Through Saturday Night A large ridge of high pressure encompasses most of the U.S. this morning. This upper ridge will continue over the center part of the country through Saturday night. Upper low pressure will strengthen over the west coast and the northeast U.S. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue today...but moisture will be on the increase through the weekend. No rainfall is expected through tonight. A weak warm front will move north through the state Saturday. Continued the slight chance of showers and thunderstorms for mainly south and west sections Saturday...and particularly in the afternoon. Temperatures will reach the upper 80s to lower 90s this afternoon and all areas should see 90s on Saturday. Lows will be in the mid 60s to mid 70s. && .LONG TERM...Sunday Through Thursday Summerlike wx conds wl prevail acrs the FA thru the pd. Upr rdg wl be in place ovr the middle part of the country thru the upcoming weekend. However...by Mon the upr rdg wl begin to breakdown as an upr lvl storm sys shifts NEWD out of the SWRN states and heads into the Plains States. The result wl be incrsg low lvl moisture ovr the mid-south...along with mainly sctd diurnal SHRA/ TSRA thru the rest of the fcst pd. && .PRELIMINARY POINT TEMPS/POPS... Batesville AR 90 68 92 72 / 0 0 10 0 Camden AR 93 72 93 73 / 0 0 20 10 Harrison AR 90 67 91 70 / 0 0 10 10 Hot Springs AR 92 71 92 72 / 0 0 20 10 Little Rock AR 92 71 93 73 / 0 0 10 10 Monticello AR 93 72 93 73 / 0 0 20 10 Mount Ida AR 91 70 91 71 / 0 0 20 10 Mountain Home AR 90 66 92 70 / 0 0 10 0 Newport AR 90 69 93 73 / 0 0 10 10 Pine Bluff AR 92 72 93 73 / 0 0 10 10 Russellville AR 91 69 92 72 / 0 0 10 10 Searcy AR 91 69 93 72 / 0 0 10 0 Stuttgart AR 91 72 94 74 / 0 0 10 10 && .LZK Watches/Warnings/Advisories...NONE. && $$ Short Term...51 / Long Term...44
Area Forecast Discussion National Weather Service Little Rock AR 1234 AM CDT FRI JUN 10 2016 .AVIATION... High pressure is still dominant. Expect VFR conditions to persist for most sites through the period once again. The only exception may be some patchy fog at ADF near sunrise...with MVFR conditions. && .PREV DISCUSSION...(ISSUED 542 PM CDT THU JUN 9 2016 ) DISCUSSION... Updated to include the 00Z aviation discussion below... AVIATION... Expect VFR conditions to persist for most sites through the period once again. The only exception may be some patchy fog at ADF near sunrise. PREV DISCUSSION...(ISSUED 232 PM CDT THU JUN 9 2016) SHORT TERM...Tonight Through Friday night Upper level ridging is building overhead and will remain situated atop Arkansas through the short term period. Some afternoon CU can be seen bubbling up in western Arkansas this afternoon, evidence of a return flow pattern beginning to setup across the Arklatex region. Expect to see the CU a little further east tomorrow afternoon as high pressure continues to slide east of the state, and Gulf moisture makes headway into Arkansas. Alas, it`s summertime, summertime... And because it is summertime, temperatures will feel just as they should. Highs in the upper 80s to low 90s will be the norm this afternoon and again tomorrow. Overnight readings will also be warm, with lows from the mid 60s to near 70. LONG TERM...Saturday Through Thursday A typical summer like pattern will be seen for much of the long term period as upper level ridging will be in place across much of southern and central sections of the country. Beneath this ridge, afternoon isolated to scattered showers and thunderstorms will be seen over the weekend and more so into the early part of next week. Temperatures will be slightly above normal for the period, with highs mainly in the upper 80s to lower 90s. Humidity values will increase by early next week, which will lead to increased heat indices. Will likely avoid widespread indices of 105 but values greater than 100 will be possible early next week. Some weakening in the upper ridge may be seen into the early to middle part of next week as an upper trough looks to move in from the SW US. This trough will likely ride over the top of the ridge, compressing it southward, as move toward the Midwest from the Southern Plains. At the surface, a cold front will also approach from the northwest, which will help initiate some shower and thunderstorm activity across the state. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 542 PM CDT THU JUN 9 2016 .DISCUSSION... Updated to include the 00Z aviation discussion below... && .AVIATION... Expect VFR conditions to persist for most sites through the period once again. The only exception may be some patchy fog at ADF near sunrise. && .PREV DISCUSSION...(ISSUED 232 PM CDT THU JUN 9 2016) SHORT TERM...Tonight Through Friday night Upper level ridging is building overhead and will remain situated atop Arkansas through the short term period. Some afternoon CU can be seen bubbling up in western Arkansas this afternoon, evidence of a return flow pattern beginning to setup across the Arklatex region. Expect to see the CU a little further east tomorrow afternoon as high pressure continues to slide east of the state, and Gulf moisture makes headway into Arkansas. Alas, it`s summertime, summertime... And because it is summertime, temperatures will feel just as they should. Highs in the upper 80s to low 90s will be the norm this afternoon and again tomorrow. Overnight readings will also be warm, with lows from the mid 60s to near 70. LONG TERM...Saturday Through Thursday A typical summer like pattern will be seen for much of the long term period as upper level ridging will be in place across much of southern and central sections of the country. Beneath this ridge, afternoon isolated to scattered showers and thunderstorms will be seen over the weekend and more so into the early part of next week. Temperatures will be slightly above normal for the period, with highs mainly in the upper 80s to lower 90s. Humidity values will increase by early next week, which will lead to increased heat indices. Will likely avoid widespread indices of 105 but values greater than 100 will be possible early next week. Some weakening in the upper ridge may be seen into the early to middle part of next week as an upper trough looks to move in from the SW US. This trough will likely ride over the top of the ridge, compressing it southward, as move toward the Midwest from the Southern Plains. At the surface, a cold front will also approach from the northwest, which will help initiate some shower and thunderstorm activity across the state. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...62
Area Forecast Discussion National Weather Service Little Rock AR 232 PM CDT THU JUN 9 2016 .SHORT TERM...Tonight Through Friday night Upper level ridging is building overhead and will remain situated atop Arkansas through the short term period. Some afternoon CU can be seen bubbling up in western Arkansas this afternoon, evidence of a return flow pattern beginning to setup across the Arklatex region. Expect to see the CU a little further east tomorrow afternoon as high pressure continues to slide east of the state, and Gulf moisture makes headway into Arkansas. Alas, it`s summertime, summertime... And because it is summertime, temperatures will feel just as they should. Highs in the upper 80s to low 90s will be the norm this afternoon and again tomorrow. Overnight readings will also be warm, with lows from the mid 60s to near 70. && .LONG TERM...Saturday Through Thursday A typical summer like pattern will be seen for much of the long term period as upper level ridging will be in place across much of southern and central sections of the country. Beneath this ridge, afternoon isolated to scattered showers and thunderstorms will be seen over the weekend and more so into the early part of next week. Temperatures will be slightly above normal for the period, with highs mainly in the upper 80s to lower 90s. Humidity values will increase by early next week, which will lead to increased heat indices. Will likely avoid widespread indices of 105 but values greater than 100 will be possible early next week. Some weakening in the upper ridge may be seen into the early to middle part of next week as an upper trough looks to move in from the SW US. This trough will likely ride over the top of the ridge, compressing it southward, as move toward the Midwest from the Southern Plains. At the surface, a cold front will also approach from the northwest, which will help initiate some shower and thunderstorm activity across the state. && .PRELIMINARY POINT TEMPS/POPS... Batesville AR 66 89 67 93 / 0 0 0 10 Camden AR 67 94 72 94 / 0 0 10 20 Harrison AR 65 90 67 91 / 0 0 0 10 Hot Springs AR 67 92 70 92 / 0 0 0 20 Little Rock AR 67 92 71 94 / 0 0 0 10 Monticello AR 68 93 72 94 / 0 0 0 20 Mount Ida AR 65 91 69 91 / 0 0 0 20 Mountain Home AR 65 90 67 93 / 0 0 0 10 Newport AR 67 90 69 94 / 0 0 0 10 Pine Bluff AR 68 93 72 93 / 0 0 0 10 Russellville AR 66 92 69 93 / 0 0 0 10 Searcy AR 66 91 69 94 / 0 0 0 10 Stuttgart AR 68 91 72 94 / 0 0 0 10 && .LZK Watches/Warnings/Advisories...NONE. && $$ Short Term...64 / Long Term...226
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 123 PM CDT THU JUN 9 2016 .DISCUSSION... Updated for the 18z aviation discussion below. && .AVIATION... Not much to discuss. VFR conditions will prevail through the period. No rain is expected and the only clouds will be some high clouds and FEW-SCT bases around 6000ft AGL mainly in western and northern Arkansas. && PREV DISCUSSION...(ISSUED 352 AM CDT THU JUN 9 2016 ) SHORT TERM...Today Through Friday Night A large ridge of high pressure is over the center part of the country with an upper trough over the eastern third...and another trough entering the Pacific Northwest. The upper ridge will spread eastward through the period and will encompass much of the country by Friday night. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue through the period. No rainfall is expected through Friday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the mid 60s to lower 70s for lows. LONG TERM...Saturday Through Wednesday Model solutions rmn in good agreement with overall fcst trends thru the weekend and into next week. Upr ridging is fcst to persist ovr the mid section of the nation early in the pd...with a slow weakening trend commencing thereafter. Meanwhile...low lvl moisture wl cont to sloly incrs over time as a south wind flow prevails. High temps thru the pd wl generally range fm the upper 80s to the lower 90s...about 3 to 5 degrees abv normal for this time of year. Expect some locations to see aftn heat index readings apch the century mark durg the pd. As far as rain chcs go...typical summertime wx pattern wl result in low chc pops thru the pd as several weak upr impulses work thru the region. Convective trends wl be mainly diurnal in nature each day. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...64
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 123 PM CDT THU JUN 9 2016 .DISCUSSION... Updated for the 18z aviation discussion below. && .AVIATION... Not much to discuss. VFR conditions will prevail through the period. No rain is expected and the only clouds will be some high clouds and FEW-SCT bases around 6000ft AGL mainly in western and northern Arkansas. && PREV DISCUSSION...(ISSUED 352 AM CDT THU JUN 9 2016 ) SHORT TERM...Today Through Friday Night A large ridge of high pressure is over the center part of the country with an upper trough over the eastern third...and another trough entering the Pacific Northwest. The upper ridge will spread eastward through the period and will encompass much of the country by Friday night. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue through the period. No rainfall is expected through Friday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the mid 60s to lower 70s for lows. LONG TERM...Saturday Through Wednesday Model solutions rmn in good agreement with overall fcst trends thru the weekend and into next week. Upr ridging is fcst to persist ovr the mid section of the nation early in the pd...with a slow weakening trend commencing thereafter. Meanwhile...low lvl moisture wl cont to sloly incrs over time as a south wind flow prevails. High temps thru the pd wl generally range fm the upper 80s to the lower 90s...about 3 to 5 degrees abv normal for this time of year. Expect some locations to see aftn heat index readings apch the century mark durg the pd. As far as rain chcs go...typical summertime wx pattern wl result in low chc pops thru the pd as several weak upr impulses work thru the region. Convective trends wl be mainly diurnal in nature each day. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...64
Area Forecast Discussion National Weather Service Little Rock AR 632 AM CDT THU JUN 9 2016 .AVIATION... High pressure has moved east of Arkansas. Light east and southeast winds are expected today across the area. Patchy fog around ADF will dissipate rapidly this morning. Mainly high cirrus will be seen today. VFR conditions will continue through the period. && .PREV DISCUSSION...(ISSUED 352 AM CDT THU JUN 9 2016 ) SHORT TERM...Today Through Friday Night A large ridge of high pressure is over the center part of the country with an upper trough over the eastern third...and another trough entering the Pacific Northwest. The upper ridge will spread eastward through the period and will encompass much of the country by Friday night. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue through the period. No rainfall is expected through Friday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the mid 60s to lower 70s for lows. LONG TERM...Saturday Through Wednesday Model solutions rmn in good agreement with overall fcst trends thru the weekend and into next week. Upr ridging is fcst to persist ovr the mid section of the nation early in the pd...with a slow weakening trend commencing thereafter. Meanwhile...low lvl moisture wl cont to sloly incrs over time as a south wind flow prevails. High temps thru the pd wl generally range fm the upper 80s to the lower 90s...about 3 to 5 degrees abv normal for this time of year. Expect some locations to see aftn heat index readings apch the century mark durg the pd. As far as rain chcs go...typical summertime wx pattern wl result in low chc pops thru the pd as several weak upr impulses work thru the region. Convective trends wl be mainly diurnal in nature each day. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion National Weather Service Little Rock AR 352 AM CDT THU JUN 9 2016 .SHORT TERM...Today Through Friday Night A large ridge of high pressure is over the center part of the country with an upper trough over the eastern third...and another trough entering the Pacific Northwest. The upper ridge will spread eastward through the period and will encompass much of the country by Friday night. With surface high pressure just east of Arkansas...light east and southeast winds are expected today. Warm and dry weather will continue through the period. No rainfall is expected through Friday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the mid 60s to lower 70s for lows. && .LONG TERM...Saturday Through Wednesday Model solutions rmn in good agreement with overall fcst trends thru the weekend and into next week. Upr ridging is fcst to persist ovr the mid section of the nation early in the pd...with a slow weakening trend commencing thereafter. Meanwhile...low lvl moisture wl cont to sloly incrs over time as a south wind flow prevails. High temps thru the pd wl generally range fm the upper 80s to the lower 90s...about 3 to 5 degrees abv normal for this time of year. Expect some locations to see aftn heat index readings apch the century mark durg the pd. As far as rain chcs go...typical summertime wx pattern wl result in low chc pops thru the pd as several weak upr impulses work thru the region. Convective trends wl be mainly diurnal in nature each day. && .PRELIMINARY POINT TEMPS/POPS... Batesville AR 86 66 91 69 / 0 0 0 0 Camden AR 92 68 93 72 / 0 0 0 10 Harrison AR 89 65 91 68 / 0 0 0 0 Hot Springs AR 91 67 92 70 / 0 0 0 0 Little Rock AR 91 67 92 71 / 0 0 0 0 Monticello AR 91 68 93 71 / 0 0 0 0 Mount Ida AR 90 67 92 70 / 0 0 0 0 Mountain Home AR 87 65 91 68 / 0 0 0 0 Newport AR 87 67 91 70 / 0 0 0 0 Pine Bluff AR 90 68 93 71 / 0 0 0 0 Russellville AR 89 66 92 70 / 0 0 0 0 Searcy AR 89 67 92 70 / 0 0 0 0 Stuttgart AR 90 68 92 71 / 0 0 0 0 && .LZK Watches/Warnings/Advisories...NONE. && $$ Short Term...51 / Long Term...44
Area Forecast Discussion National Weather Service Little Rock AR 1222 AM CDT THU JUN 9 2016 .AVIATION... Expect VFR conditions to persist through the period. However... there could be some MVFR fog at ADF. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. Precipitation is not expected through this TAF period. && .PREV DISCUSSION...(ISSUED 602 PM CDT WED JUN 8 2016 ) DISCUSSION... Updated to include the 00Z aviation discussion below... AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion National Weather Service Little Rock AR 1222 AM CDT THU JUN 9 2016 .AVIATION... Expect VFR conditions to persist through the period. However... there could be some MVFR fog at ADF. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. Precipitation is not expected through this TAF period. && .PREV DISCUSSION...(ISSUED 602 PM CDT WED JUN 8 2016 ) DISCUSSION... Updated to include the 00Z aviation discussion below... AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion National Weather Service Little Rock AR 1222 AM CDT THU JUN 9 2016 .AVIATION... Expect VFR conditions to persist through the period. However... there could be some MVFR fog at ADF. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. Precipitation is not expected through this TAF period. && .PREV DISCUSSION...(ISSUED 602 PM CDT WED JUN 8 2016 ) DISCUSSION... Updated to include the 00Z aviation discussion below... AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion National Weather Service Little Rock AR 1222 AM CDT THU JUN 9 2016 .AVIATION... Expect VFR conditions to persist through the period. However... there could be some MVFR fog at ADF. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. Precipitation is not expected through this TAF period. && .PREV DISCUSSION...(ISSUED 602 PM CDT WED JUN 8 2016 ) DISCUSSION... Updated to include the 00Z aviation discussion below... AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...51
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 602 PM CDT WED JUN 8 2016 .DISCUSSION... Updated to include the 00Z aviation discussion below... && .AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. && .PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...62
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 602 PM CDT WED JUN 8 2016 .DISCUSSION... Updated to include the 00Z aviation discussion below... && .AVIATION... Expect VFR conditions to persist through the period. High pressure has shifted east of the area...with some southerly flow returning. As a result...moisture levels will be increasing. However...chances for precip will remain low through this TAF period. && .PREV DISCUSSION...(ISSUED 241 PM CDT WED JUN 8 2016) SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...62
Area Forecast Discussion National Weather Service Little Rock AR 241 PM CDT WED JUN 8 2016 .SHORT TERM...Tonight Through Thursday night Not much to talk about in the short term as the state will remain high and dry...with dry weather, warm temperatures, and mostly clear skies. Expect highs to be in the mid 80s to low 90s this afternoon and tomorrow afternoon...and lows will be in the 60s. High pressure will begin to slide off to the northeast of the state tonight which will allow a very meager return flow pattern to creep back into Arkansas. Thursday will slightly more humid as a result. && .LONG TERM...Friday Through Wednesday The extended forecast will start overall dry and warm Friday and over much of the weekend. The chance of rain is back in the forecast mainly Monday through Wednesday. The weather pattern has surface high pressure over the region with dry conditions, while the upper northwest flow gradually weakens as the upper high pressure ridge builds into the region. This will warm temperatures to above normal values late this week and over the weekend. Gradually late week and over the weekend into next week, the surface high pressure system moves east and allows a return flow back to the region that will increase moisture levels. Rain chances will start Sunday and Tuesday and mainly be diurnally driven in the heat of the afternoon to early evening. Then Tuesday and Wednesday, the upper high pressure ridge breaks down, with some shortwave energy moving east and develop scattered convection for Arkansas. Models do have a frontal boundary approaching the region late Wednesday to Thursday and models do forecast this to sag into Arkansas. Uncertainty does exist well into next week on the timing, location and amount of convection. Otherwise, temperatures will warm into the 90s for much of the period, while possibly lowering Tuesday to Wednesday next due to clouds and convection. && .PRELIMINARY POINT TEMPS/POPS... Batesville AR 63 87 66 89 / 0 0 0 0 Camden AR 66 92 67 94 / 0 0 0 0 Harrison AR 63 89 66 89 / 0 10 0 0 Hot Springs AR 65 91 67 91 / 0 0 0 0 Little Rock AR 66 91 67 93 / 0 0 0 0 Monticello AR 65 91 67 93 / 0 0 0 0 Mount Ida AR 64 91 67 90 / 0 0 0 0 Mountain Home AR 63 88 66 91 / 0 10 0 0 Newport AR 65 87 67 91 / 0 0 0 0 Pine Bluff AR 65 91 67 91 / 0 0 0 0 Russellville AR 64 90 66 92 / 0 0 0 0 Searcy AR 64 89 67 91 / 0 0 0 0 Stuttgart AR 66 91 68 92 / 0 0 0 0 && .LZK Watches/Warnings/Advisories...NONE. && $$ Short Term...64 / Long Term...59
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 1242 PM CDT WED JUN 8 2016 .DISCUSSION... Updated for the 18z aviation discussion below. && .AVIATION... With high pressure in the region, VFR flight categories are expected through the TAF period. The one caveat may be some reduced visibility at KADF due to local moisture sources. With another day of sun/drying in the books today though, will forego including that in the 18z TAF package at this time though. && .PREV DISCUSSION...(ISSUED 1101 AM CDT WED JUN 8 2016 ) UPDATE... Issuing a quick morning update to account for expected afternoon temperature trends. The HRRR model performed admirably yesterday, showing high temperatures climbing into the low 90s across much of the southern half of the state yesterday and being considerably warmer than most other available guidance. With similar synoptic and mesoscale conditions today, and 24hr temperature changes near zero in most places, will go with a persistence forecast for today. Blended yesterday`s observed high temperatures with a mix of the 14z HRRR and other MOS guidance to come up with similar highs for today. The most notable increases were in the north and northeast where mid 80s are expected. Elsewhere low 90s are expected once again. PREV DISCUSSION...(ISSUED 330 AM CDT WED JUN 8 2016 ) SHORT TERM...Today Through Thursday Night A large area of high pressure is over the western two thirds of the country with an upper trough over the eastern third. The upper ridge will spread eastward through the period and will encompass much of the country by Thursday night. With high pressure in control...warm and dry weather will continue through the period. No rainfall is expected through Thursday night. Temperatures will continue in the mid 80s to lower 90s for highs and in the lower to mid 60s for lows. LONG TERM...Friday Through Tuesday Rather benign wx pattern wl prevail acrs the FA for late this week and thru much of the weekend. The upr lvl flow wl be stagnant as an upr rdg rmns in place ovr the mid section of the nation. At the sfc...a rdg wl rmn situated acrs AR...allowing for a gradual uptick in low lvl rh late in the weekend. As a result...could see widely sctd mainly diurnally driven convection by Sun aftn. Heading into next week...a weakness wl dvlp in the upper lvls acrs the Mid-South. The aforementioned sfc rdg wl also breakdown...which wl allow low lvl moisture to cont incrsg. This trend...along with a fntl bndry apchg NERN AR...wl lead to sctd convection acrs the FA. Temps wl rmn at abv normal lvls ovr the weekend...with a gradual dcrs in daytime highs by Tue due to more clouds/rain chcs. && .LZK Watches/Warnings/Advisories...NONE. && $$ Aviation...64
AREA FORECAST DISCUSSION
National Weather Service Northern Indiana
647 AM EDT FRI JUN 10 2016 .SYNOPSIS... Issued at 356 AM EDT Fri Jun 10 2016 Showers and thunderstorms are possible through the weekend. Temperatures this afternoon will rise into the upper 80s and low 90s. Lows tonight will be in the upper 60s and low 70s. Otherwise, expect a cold front to bring additional chances for showers and storms late Saturday afternoon into Sunday morning. A few isolated strong to severe storms are possible with this front, though confidence at this point is low. Stay tuned to the latest forecasts for updates. && .SHORT TERM...(Today and Tonight) Issued at 356 AM EDT Fri Jun 10 2016 Showers and thunderstorms continue through the early morning, primarily from I 69 westward. At 4 am EDT an area of showers and storms were slowly shifting southeastward from near Lake Michigan into Cass/Miami/Wabash county. These showers/storms are supported by an area of decent upper level divergence, strong moisture transport and elevated instability. Models of course are in disagreement over the coverage of precipitation further northeast as we head through the morning, however are consistent in showing the area of precipitation now present shifting southeastward. Have numerous showers and thunderstorms in these areas through early morning, dissipating from northwest to southeast, and scattered to isolated showers/storms possible elsewhere. Otherwise, the forecast for this afternoon and tonight will be tricky, with our area lodged on the eastern periphery of an upper level ridge. Chances for precipitation this afternoon will be dependent on the weak short wave passing through the flow aloft. Moisture is certainly abundant this go around, with PWATs up around 1.7 inches-which is about 150 percent of normal. Kept fairly consistent with the previous forecast. With collocated better moisture/weak support from 500mb shortwave and stronger afternoon instability in the 1500-2000 J/Kg range, kept chances for showers and storms in the east during the afternoon. As far as severe threat goes, with limited shear-around 25 knots towards the afternoon hours it looks to be isolated if anything. SPC has us in a marginal risk, which is appropriate given the higher instability that will be present. One thing is for certain...with 850mb temps of 17-18C, high temperatures will climb into the upper 80s and low 90s-especially in the west/southwest where cloud cover diminishes earlier. Flow tonight will be zonal, with a slight chance for showers and storms, mainly north of I 80-90, associated with a weak shortwave. Confidence in this occurring is low, however. && .LONG TERM...(Saturday through Thursday) Issued at 356 AM EDT Fri Jun 10 2016 We start out the long term forecast on Saturday with another weak shortwave that gets somewhat washed out as the upper level ridge over the plains builds. The best chances for showers and storms would be with the sfc cold front expanding southeastward from Michigan late Saturday afternoon into Sunday morning. With support from the frontal boundary, instability up to 1500-2500 J/KG, and 0-6 KM Bulk shear to 30 Kts isolated severe weather is a possibility. SPC has areas north of US 30 in a slight risk for severe weather, though there is low confidence given the variability in the models. For now stuck with chance of showers and t-storms through the late afternoon/evening hours. Sunday will likely be dry with the cold front sagging south of our area and surface high pressure/strong ridge building aloft. Temperatures will be relatively cooler in the CAA behind the front, with highs in the mid-upper 70s near Lake Michigan to the 80s inland. The forecast becomes fairly murky as we head into the extended period. Monday we are again on the eastern fringes of the upper level ridge. Low pressure to the west is forecast to lift a warm front into the area Monday morning where it eventually becomes stationary and lingers through Thursday. This is when the surface low/upper level trough over WI takes a dive into our area and lingers through Friday night. With widely varying model solutions kept steady with the consensus blend from Monday onward-which brings mostly chance pops into our area. && .AVIATION...(For the 12Z TAFS through 12Z Saturday Morning) Issued at 647 AM EDT Fri Jun 10 2016 Vfr conds xpcd through the pd. Current conv cluster driving sewd alg ern edge of ll theta-e gradient and will largely bypass KFWA terminal erly on although ern bound of stratiform rain shield may expand far enough east yet to provide for a brief pd of mvfr vsby restriction through abt 14Z. Upstream convn ovr se WI conts to wkn in conjunction to wkng llj yet xpc any lingering leftovers to fizzle nwwd of the terminal. That leads to qn of what if anything redvlps this aftn alg tail end of current complex aligned w/modest mass flux arising within renewed llj. Ltl doubt conds will destabilize sigly esp invof the highway 30 corridor by lt aftn yet may be end up being capped in reflection of upstream warming noted in 00Z KDVN raob. Will await 12Z data to see if that scenario holds water. && .IWX Watches/Warnings/Advisories... IN...NONE. MI...NONE. OH...NONE. LM...NONE. && $$ SYNOPSIS...MCD SHORT TERM...MCD LONG TERM...MCD AVIATION...T Visit us at www.weather.gov/iwx Follow us on Facebook...Twitter...and YouTube at: www.facebook.com/NWSNorthernIndiana www.twitter.com/nwsiwx www.youtube.com/NWSNorthernIndiana
Area Forecast Discussion National Weather Service Indianapolis IN 632 AM EDT FRI JUN 10 2016 .UPDATE... The AVIATION Section has been updated below. && .SYNOPSIS... Issued at 342 AM EDT FRI Jun 9 2016 A thunderstorms complex will move across northeast portions of central Indiana this morning as a warm front over northern Indiana and Ohio moves north into the great lakes. Hot and dry weather will occur Saturday as a strong upper ridge of high pressure builds into the Mississippi valley. The frontal system over the great lakes will drift south across our region Sunday and then meander around. Thunderstorms chances will increase after the weekend as an upper disturbance moves our way. && .NEAR TERM /Today/... Issued at 342 AM EDT FRI Jun 9 2016 Radar indicates an area of showers and thunderstorms around the Chicago area and northwest Indiana. These thunderstorms will drift southeast across northern Indiana and move into the northeast part of our region by day break. Will go with likely POPS east of a Kokomo to Rushville line and chance POPS along and east of a Lafayette to Indy line. Otherwise...it will remain dry across the southwest half of our region this morning. Rapid refresh model indicates numerous thunderstorms over northeast and east central sections for a few hours this morning and then the storms should diminish as the warm front lifts to the northeast. Will continue slight chance POPS over the eastern half of our region this afternoon...although confidence is low. There will be more sun this afternoon and highs should range from the lower 90s over western sections to the middle and upper 80s east. With afternoon sun and warm advection went a degree or two above a MOS blend on temperatures. && .SHORT TERM /Tonight through Sunday/... Issued at 342 AM EDT FRI Jun 9 2016 Models are in generally good agreement on the main features...but there are some differences on QPF. Will use a blend in most cases. An upper ridge of high pressure will build our way as the warm front moves north into the great lakes. Models indicate that we will be capped and expect mostly clear skies through Saturday. 850 MB temperatures will rise into the lower 20s and this will result in the hottest temperatures so far this season with highs in the lower 90s Saturday. The frontal system over the great lakes will drift south across our region late Saturday night and Sunday per models as an upper trough deepens along the New England coast. The NAM...GFS and GEMNH model shows some QPF with this front...while EURO is mostly dry. Will go with 20-30 percent POPS over north and central sections later Saturday night and most areas Sunday. Drier air behind the front will spread into northern areas Sunday afternoon and over most other areas Sunday night. Will end the thunderstorm chances upon arrival of this drier air. The NAM and GFS indicate some cooling over north and central sections Sunday...while the EURO is much less. Will go with a blend with temperatures a few degrees above a MOS blend...but not quite as warm as the EURO. Went with highs from the middle and upper 80s northeast Sunday to the lower 90s southwest. Lows will be from 65 to 70 tonight...lower 70s Saturday night and from 60 northeast to 70 southwest Sunday night. && .LONG TERM /Monday through Thursday/... Issued at 226 AM EDT Fri Jun 10 2016 The long term looks active with an upper ridge breaking down as several upper waves move southeast along it and into central Indiana. Highs start out in the 90s on Monday but decrease a bit thereafter as the ridge breaks down. For Monday and Monday night PoPs in the chance category are expected in the north with only a slight chance in the south as the ridge gets depressed from the north. Chances for thunderstorms then continue through the rest of the extended period and temperatures drop to the middle 80s for much of the week before cooler air from an upper low moving across the northern part of the country arrives to end the week. Models show differences in timing of the aforementioned shortwaves so nothing to key in on to designate any day as a dry one and thus made no substantive changes to the initialization. With ample heat and available moisture carried thunder each day. && .AVIATION /Discussion for 101200z TAF issuance/... Issued at 621 AM EDT Fri Jun 10 2016 An upper wave moving through along a surface front is producing showers and thunderstorms across northern and parts of central Indiana this morning. This activity has stayed east of the sites thus far, but latest radar loop indicates KLAF could see a shower or storm directly impact there during the first hour or two of the forecast period. At KIND HRRR looks like development could bring some restrictions to KIND from visibilities within thunderstorms but radar loop doesn`t match this scenario as well. However starting to see outflow boundary that could encourage more development in this direction. Therefore will include a tempo TSRA at KLAF but with less confidence will stick with VCTS at KIND. Ceilings should be at or above 5 kft. After storms move out later this morning expect conditions to remain VFR through the rest of the period. && .IND Watches/Warnings/Advisories... NONE. && $$ SYNOPSIS...JH NEAR TERM...JH SHORT TERM...JH LONG TERM....CP AVIATION...CP Area Forecast Discussion National Weather Service Flagstaff AZ 318 PM MST FRI JUN 10 2016 .SYNOPSIS...Deeper subtropical moisture moving into Arizona from the south will bring increasing chances for showers and thunderstorms spreading northward through Saturday. Overnight showers and thunderstorms will develop in response to an upper level trough. Drier air will move in behind this trough with a drying trend from west to east from Saturday to Sunday. Another weak low moving through the Southwest region on Monday may bring a few light showers to northern Arizona mainly along the Utah border region. Otherwise a high pressure ridge will build in from Tuesday onward bringing in more typical hot and dry June weather conditions. && .DISCUSSION...Strong convection is developing in Southeastern Arizona this afternoon. Convective activity has been more limited in northwestern Arizona due to a combination of lower moisture levels and extensive cloud cover. The latest SREF, European and American GFS models continue to show thunderstorm coverage expanding northwestward through the evening hours as a upper level trough moves northward across the state. Deeper subtropical moisture continues to move up into Arizona from the south this evening. An upper level trough moving around the western edge of the ridge will help with both the moisture advection into northern Arizona and provide some convective forcing during the overnight hours. Due to the upper level disturbance there is a chance for convection in southern Arizona to send outflows northward into central Arizona with thunderstorms riding the outflow convergence boundary. Around 8pm the upper trough will move into Yavapai and Gila counties helping to initiate evening showers and thunderstorms. This upper trough will continue to move northward helping to spread nocturnal isolated to scattered thunderstorm activity across the northern third of the state. Saturday and Sunday...As the trough moves northward drier Pacific air moves into Arizona starting on Saturday into northwestern Arizona while deeper moisture lingers in Apache and Navajo counties. Expect a west to east drying trend through the weekend. A cut off low approaching Arizona from the west will bring increasing southwesterly winds on Sunday with sustained winds in the 15 to 20 mph range along with gusts up to 30 mph. On Monday...The cut off low will move across the Utah border region with low chances for a few light showers and thunderstorms. Tuesday through Friday...The subtropical ridge builds into the Southwest with more typical June hot and dry weather forecast into next weekend. && .AVIATION...For the 00Z Package...Current radar imagery shows scattered thunderstorms along the eastern Mogollon Rim and White Mountains. Expect showers and thunderstorms to increase in coverage and spread northward through the overnight hours. The best chances for showers will be along and southwest of a line from Greer to Winslow to Tusayan. Erratic winds with gusts to 45 kts will be possible near the strongest storms. In addition, periods of MVFR visibilities are possible. Aviation discussion not updated for TAF amendments. && .FIRE WEATHER...Expect increasing high-based shower and thunderstorm activity from southeast to northwest through the overnight hours. Strong and erratic outflow winds are likely near storms. On Saturday, lingering moisture will cause a round of scattered high- based storms, primarily over higher terrain. Gusty southwest winds and mainly dry conditions are expected on Sunday. Monday through Wednesday...Slight chances for thunderstorms are forecast Monday. Dry weather and a warming trend forecast Tuesday and Wednesday. && .FGZ WATCHES/WARNINGS/ADVISORIES...NONE. && $$ PUBLIC...Bohlin AVIATION...RR FIRE WEATHER...RR For Northern Arizona weather information visit weather.gov/flagstaff
  [top] Area Forecast Discussion National Weather Service Tucson AZ 303 PM MST FRI JUN 10 2016 .SYNOPSIS...There is a good chance of showers and thunderstorms for the remainder of this afternoon and into the evening hours, with some of these storms producing areas of blowing dust due to strong and gusty outflows. Localized heavy rain also possible. Drier air starts to work in from the west on Saturday pushing the best chance of storms to areas east of Tucson. A few thunderstorms may occur near the New Mexico border on Sunday. Dry conditions will prevail next week with a drier air mass over the area. Daytime temperatures will remain near normal or a few degrees below normal through Tuesday, then hotter temperatures return next Wednesday and Thursday. && .DISCUSSION...Water vapor imagery shows high pressure over the general vicinity of the four corners region. Meanwhile, an inverted trough resides to our south over Sonora Mexico. Overnight, convection developed/persisted across areas mainly along the international border and moved west. The latest visible and IR imagery shows remnants of this activity, with mid and high level cloudiness covering mostly the western parts of the forecast area. A persistent MCV is over extreme northwest Sonora and continues to move rapidly to the west northwest. This mornings 10/12Z KTWC sounding reveals a very wet airmass in place with a PW of 1.46 inches, which is a record for this date. The old record was 1.33 inches. In addition, decent flow in the column with generally an easterly component in the entire profile. Enough flow to help get storms organized, thus the inherited POP forecast that shows high end scattered to likely category POP`s for most of the forecast area. The only exception would be isolated activity over the far western deserts of Pima county near Ajo and Organ Pipe. In addition, some of the parameters from the sounding indicate a MU Cape of nearly 1500 J/KG and a lifted index of minus 3. The 12Z run of the U of A WRF NAM/GFS both show organized convection developing initially over central areas, more specifically parts of Santa Cruz and Pima counties and spreading to the northwest during the late afternoon and early evening. The GFS is the more robust and indicates explosion development beginning around the current time over Santa Cruz county and then a large cluster/complex develops over central Pima county and makes its way into Pinal county. After 4 pm, it shows additional development over eastern Pima and Western Cochise county and this activity spreads north northwest into Graham county and after 8 PM MST is mostly in the Phoenix area of responsibility. The WRF/NAM solution shows initial development around 2 to 3 PM MST (which is too slow) over eastern Pima county and heads into Pinal county and areas beyond after around 6 PM MST this evening. The latest run of the HRRR shows a similar solution with early development over eastern Pima county and additional development over Cochise, Graham and Greenlee counties, especially after 11/00Z. So even though these solutions have the same general theme, there are differences in the details. That said, have generally gone with a sort of blend of these solutions, which means scattered to low end likely category POP`s for a large part of the forecast area, with the exception of western Pima county. With the way the storms are developing today and with the anticipated movement to the west northwest or northwest, the night shift issued a blowing dust advisory for portions of central and eastern Pima county and all of Pinal county, which will take effect at 3 PM MST this afternoon and continue through 7 PM MST. Through the weekend, we will hang on to POPS, especially Saturday although lesser than today, as an approaching trough kicks the moisture to the east. Once the trough passes through the region, high pressure will build back in for warming temperatures during the middle to latter part of next week. && .AVIATION...VALID THRU 12/00Z. Scattered -TSRA/-SHRA...wind gusts of 40-50 kts and visibilities reduced to around 1-2SM with the stronger TSRA. Otherwise, cloud decks will generally range from 10k-15k ft MSL. Surface wind mainly less than 10 kts except near thunderstorms. Aviation discussion not updated for TAF ammendments. && .FIRE WEATHER...Expect scattered showers and thunderstorms this afternoon and evening and again Saturday. A few thunderstorms Sunday will likely be limited to the higher terrain east of Tucson. Thunderstorm outflows will occasionally produce brief strong, gusty and erratic winds. Dry conditions will then prevail area-wide Monday through Friday of next week. Daytime temperatures will be a few degrees below normal into early next week, then hotter temperatures return Wednesday into next Friday. && .TWC WATCHES/WARNINGS/ADVISORIES...Blowing Dust Advisory in effect until 7 PM this evening for AZZ502>506. && $$ Mollere Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
AREA FORECAST DISCUSSION
National Weather Service Topeka KS
319 PM CDT FRI JUN 10 2016 .SHORT TERM...(This Evening through Saturday) Issued at 311 PM CDT FRI JUN 10 2016 Upper level ridge continues across the Central Plains this afternoon. Weak upper trough was filling across central and northeast Kansas this morning. Surface trough continues across the western high plains with axis of mid to upper 60s dewpoints across central and eastern Kansas. Afternoon cumulus has developed across the area and should be on the decrease toward sunset with the loss of heating. With little change in airmass since yesterday expect low temperatures from the upper 60s to mid 70s overnight. On Saturday, 850 mb temperatures warm a degree or two from today. Forecast soundings suggest mixing down from around 850 mb with highs mainly in the low to mid 90s. Afternoon dew points in the upper 60s to around 70 will yield heat indices in the upper 90s to around 100 degrees in the afternoon. With no forcing aloft or at the surface and soundings showing weak cap remaining in place Saturday afternoon, will keep the forecast dry. .LONG TERM...(Saturday Night through Friday) Issued at 311 PM CDT FRI JUN 10 2016 Last part of the weekend should remain dry and very warm with high temps still in the 90s and heat indices into the mid to upper 90s. Precip chances increase into Monday as and overnight complex of storms appears to form over west central Nebraska and slowly make its way near or into East Central Kansas by early morning. It will be pushed along by a weak boundary and without significant forcing aloft, the trend based on 12Z model data will be to decrease in intensity and whatever rain and thunderstorms are left. Storms may linger into the morning and early afternoon over the forecast area, so have maintained chance POPs over most of the area. It isn`t until the Tuesday time frame and overnight Wednesday that a tight compact upper low forms and undergoes cyclogenesis as split southern stream flow aloft ejects out of the Rockies into the Central Plains. Best indication at this time is that the forcing aloft will increase over western and northern portions of the forecast area giving the best chance to strong to perhaps severe storms. With indications that there will be a remnant EML in place, there could be more isolated activity. But with the upper low deepening quickly, steep lapse rates aloft with favorable shear, due to the upper low, could result in mostly a severe hail and wind threat. Again, still not highly confident in the overall set up or other forcing mechanisms such as a possible modified dryline mixing into the area. Also, guidance does vary too much at this time to be on the high end chance POPs. Rest of the week after this does look dry once again with perhaps slight chance POPs as the upper low essentially becomes cut off from the upper flow aloft and eventually fills over the Ohio River Valley. Meanwhile temps cool back to the mid to upper 80s by the end of the week as northeast flow sets up with surface high pressure in place. && .AVIATION...(For the 18Z TAFS through 18Z Saturday Afternoon) Issued at 1227 PM CDT FRI JUN 10 2016 VFR conditions are expected throughout the period. Winds will remain gusty through the afternoon with gusts 20-25 knots. Winds will increase by mid-morning tomorrow with sustained at 10-15 knots and a few gusts up to 20 knots at MHK. && .TOP Watches/Warnings/Advisories... NONE. && $$ SHORT TERM...53 LONG TERM...Drake AVIATION...Baerg
Area Forecast Discussion National Weather Service Dodge City KS 235 PM CDT FRI JUN 10 2016 ...updated aviation section... .SHORT TERM...(Today and tonight) Issued at 234 AM CDT Fri Jun 10 2016 KDDC WSR-88D shows some thunderstorms early this morning across the southern zones. This activity was at the base of a very weak 500-hPa trof. This activity will diminish quickly through the early morning hours. The next shot at thunderstorms comes this afternoon and evening. Have low confidence in storms developing, since the main wave will be mainly to the E/SE. Have very low pops SE of a line from Elkhart to Liebenthal. The ARW and 4 km NAM do break out storms (in different locations though), while the NMMB is mostly dry. Again, only went with 15-20 pops. Severe weather is not expected. Otherwise, highs today will be in the 90s with lows in the 60s to around 70 for Saturday morning. .LONG TERM...(Saturday through Thursday) Issued at 234 AM CDT Fri Jun 10 2016 The forecast is dry through early Sunday. Decided to take out pops Saturday evening as not seeing a whole lot of opportunity for convection with a 590 dm high overhead. Pops do ramp up quickly late Sunday into Monday and Tuesday. A synoptic trof will begin to influence our region with dynamics aloft and low level lift along surface boundaries. Tuesday looks the most interesting per the ECMWF. The GFS was not used as the trof looks too progressive. It`s summer and systems move slow typically versus what the GFS indicates. The EC paints a severe weather picture Tuesday evening with 40-50 kt of bulk shear, 3000 J/kg of CAPE and a warm front. Very large hail would be a concern if supercells develop. In addition, conceptually, warm front isolated tornadoes could be possible as well if you take the model verbatim. All these small scale details will be hammered out in future runs, but last nights 00Z EC run looked interesting for Tuesday evening as well (in terms of a ramp up of significant severe weather across the Kansas prairie). Otherwise, temps through the extended will be Summer-like with highs in the 90s and lows in the upper 60s to lower 70s. && .AVIATION...(For the 18Z TAFS through 18Z Saturday afternoon) Issued at 233 PM CDT Fri Jun 10 2016 VFR category is expected during the course of this TAF peiod. There is a general lack of convergence and source of lift for any convection. Wind shear profiles support a period of boundary layer wind shear in central KS, and is indicated in the HYS TAF. && .PRELIMINARY POINT TEMPS/POPS... DDC 69 94 69 94 / 20 10 10 20 GCK 68 94 69 95 / 10 10 10 20 EHA 66 92 66 95 / 20 10 10 20 LBL 69 93 68 94 / 20 10 10 20 HYS 70 94 69 93 / 10 10 10 20 P28 70 93 71 94 / 20 10 10 10 && .DDC Watches/Warnings/Advisories...NONE. && $$ SHORT TERM...Sugden LONG TERM...Sugden AVIATION...Russell
Area Forecast Discussion National Weather Service Goodland KS 120 PM MDT FRI JUN 10 2016 .SHORT TERM...(This afternoon through Saturday) Issued at 120 PM MDT Fri Jun 10 2016 Early afternoon WV imagery and RAP analysis indicates ridging extending across Colorado with axis centered across our CWA. A shortwave trough is east of our CWA. At the surface low pressure is in place across eastern Colorado, with a secondary surface trough axis near McCook Nebraska extending southeast through our CWA. This afternoon-Tonight: Weak forcing and moisture is rotating into the rockies and has led to thunderstorm development across higher terrain in south central Colorado. Some hi res guidance indicates possible development and movement towards our western CWA, however if this happens it will coincide with loss of daytime heating/instability and confidence is low this would make it into our CWA (particularly considering the mean storm motion and weak flow aloft away from our CWA). Otherwise subsidence and a deep dry air mass will preclude local thunderstorm development this afternoon/evening. Relatively light winds and clear skies should support another night of good radiational cooling, so expect similar lows as last night (around 60F west to around 70F east). Saturday: Upper level ridge shifts east while trough deepens in this west. This may allow for a little more forcing to shift eastward into our CWA, and there will be good instability in place. Models are still indicating a very dry air mass in place, and most guidance keeps dry conditions in place locally. Only NMM/ARW supporting isolated thunderstorm activity Saturday afternoon. I kept forecast dry for now, though I couldn`t rule of a stray elevated thunderstorm. As the surface trough shifts east and heights begin to fall, the air mass slowly "cools" over our CWA. Temps aloft projected by guidance are very similar to was was realized Thursday, and similar temperatures (low-mid 90s) would be anticipated. This is a little lower than today, but still above normal by 10-15 degrees. .LONG TERM...(Monday through Friday Issued at 218 AM MDT Fri Jun 10 2016 Temperatures on Monday will be a little bit cooler, but still remain slightly above normal as highs will reach into the middle to upper 80s. There will be a chance of precipitation on Monday and Tuesday as an area of low pressure, over the southwest U.S., looks to lifts out across the Rockies and Central High Plains as an open wave with a surface trough/front and pass over the forecast area. Temperatures on Tuesday will be cooler, lower to mid 80s, as a result. The rest of the week, expect dry and hot conditions to return to the Tri-State area as high pressure looks to influence the Central U.S. && .AVIATION...(For the 18Z TAFS through 18Z Saturday afternoon) Issued at 1130 AM MDT Fri Jun 10 2016 VFR conditions will continue through the TAF period at KGLD and KMCK. Surface trough will remain in place near the CO state line with weak southerly gradient leading to winds below 12kt through the first 12hr of the TAF period. Gradient begins to increase by late morning Saturday, with gusts 20-30kt developing at KGLD at the end of the TAF period. && .GLD Watches/Warnings/Advisories... KS...NONE. CO...NONE. NE...NONE. && $$ SHORT TERM...DR LONG TERM...BW AVIATION...DR