Area Forecast Discussion
Issued by NWS San Angelo, TX
Issued by NWS San Angelo, TX
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265 FXUS64 KSJT 291715 AFDSJT Area Forecast Discussion National Weather Service San Angelo TX 1215 PM CDT Sat Jun 29 2024 ...New AVIATION... .SHORT TERM... (Today and tonight) Issued at 446 AM CDT Sat Jun 29 2024 A Heat Advisory will remain in effect for this afternoon as heat index values will be up to 107 degrees. The high pressure sitting across our region will weaken a bit. This means slightly cooler temperatures for this weekend by a couple of degrees. Regardless, hot and dry conditions will remain the concern for short term portion of the forecast. An increase in heat related illnesses remains a possibility for today. && .LONG TERM... (Sunday through Friday) Issued at 342 AM CDT Sat Jun 29 2024 A seemingly perpetual 500mb ridge positioned over Texas will continue to drive the ongoing heat wave through the weekend and through the first half of next week. Heights look to top out around 596 dam, while 850mb temperatures look to be in the 20-22 deg C range on Sunday, pushing to 24 deg C by Tuesday. As a result, afternoon temperatures are expected to be in the upper 90s to around 100 to start the week, then reach the 100-105 degree range for Tuesday. Southerly surface flow should also keep humidity levels up, with dewpoints of 65-70 expected leading to warm muggy conditions overnight. For the latter half of the week, models show the ridge starting to break down as a trough drops into Oklahoma and north Texas. Hot conditions with temperatures around 100 look to remain in place for Wednesday and Thursday as the airmass remains quite warm. Chances for rain and thunderstorms increase starting Friday as a weak cold front drops into the area. The evolution of the upper-level pattern will likely change quite a bit over the next few days, so timing and chances for rain could change. && .AVIATION... (18Z TAFS) Issued at 1211 PM CDT Sat Jun 29 2024 Earlier MVFR cigs have lifted into a VFR deck late this morning and is on its way to scattering out for the afternoon at many locations. Expect more of the same tomorrow. South to southeast winds will prevail and will continue to be gusty at times. && .PRELIMINARY POINT TEMPS/POPS... Abilene 99 78 99 78 / 0 0 0 0 San Angelo 102 74 102 76 / 0 0 0 0 Junction 99 73 98 74 / 0 0 0 0 Brownwood 99 75 98 76 / 0 0 0 0 Sweetwater 101 78 100 77 / 0 0 0 0 Ozona 97 73 97 74 / 0 0 0 0 Brady 97 73 96 74 / 0 0 0 0 && .SJT WATCHES/WARNINGS/ADVISORIES... Heat Advisory until 7 PM CDT this evening for Brown-Callahan- Coke-Coleman-Concho-Fisher-Haskell-Irion-Jones-McCulloch-Nolan- Runnels-San Saba-Shackelford-Sterling-Taylor-Throckmorton-Tom Green. && $$ SHORT TERM...41 LONG TERM....SK AVIATION...07