Area Forecast Discussion
Issued by NWS Austin/San Antonio, TX
Issued by NWS Austin/San Antonio, TX
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117 FXUS64 KEWX 082334 AFDEWX Area Forecast Discussion National Weather Service Austin/San Antonio TX 634 PM CDT Sat Jun 8 2024 ...New AVIATION... .SHORT TERM... (Tonight through Sunday night) Issued at 143 PM CDT Sat Jun 8 2024 Patchy areas of low clouds this morning have broken up with mostly sunny skies seen across South Central Texas this afternoon. Triple digit high temperatures are expected in the far western and southwestern portions of the area with highs in the mid to upper 90s elsewhere. Dewpoints will mainly be in the 60s this afternoon, although a few locations in the coastal plains may only drop into the lower 70s. These temperatures and lower dewpoints will keep us out of Heat Advisory criteria today. Upper level high pressure remains over the northern Gulf tonight bringing continued southeasterly flow to the area. Models depict an increase in low level moisture during the overnight period with low clouds expected to develop in the early morning hours on Sunday, mainly over the eastern two thirds of the area. Cloud cover looks to be short-lived, breaking up sometime in the mid to late morning. Highs will be similar to those of today in the 90s with triple digits in the west. Dewpoints will be slightly higher tomorrow which may bring heat indices near Heat Advisory levels especially along the Rio Grande, possibly into the Rio Grande Plains. Some low precipitation chances (around 20 percent or less) are seen as early as Sunday evening over the southern Edwards Plateau as a weak disturbance moves into the area from the west. Scattered storms may develop north of the area and move towards South Central Texas during this period, although there is still much uncertainty in exact details. && .LONG TERM... (Monday through Saturday) Issued at 143 PM CDT Sat Jun 8 2024 A midlevel shortwave trough will ride over the subtropical ridge Monday and may provide enough lift to generate showers and thunderstorms. The best chances will be over the Edwards Plateau and western Hill Country with slight chances along the Rio Grande and approaching the I-35 Corridor. The shortwave will move off to the east overnight Monday/Tuesday and the subtropical ridge will strengthen. Dry weather will return and a warming trend will begin. Triple digit highs will spread across from west to east south of the Hill Country reaching the western Coastal Plains by Thursday. Dewpoint temperatures will remain mainly steady in the upper 60s to lower 70s keeping heat indices below advisory criteria. && .AVIATION... (00Z TAFS) Issued at 630 PM CDT Sat Jun 8 2024 VFR skies should last through around 08Z with a few low MVFR cigs popping up in a few areas by that time, will show mainly the 10Z to 15Z window for cigs over I-35 which is a compromise between persistence and the MOS guidances. Diurnal wind trends should be mostly typical for mid-June with a few afternoon and evening gusts over 20 knots possible. && .PRELIMINARY POINT TEMPS/POPS... Austin Camp Mabry 74 96 75 94 / 0 0 0 10 Austin Bergstrom Intl Airport 74 96 74 93 / 0 0 0 10 New Braunfels Muni Airport 74 98 75 96 / 0 0 0 10 Burnet Muni Airport 72 94 74 91 / 0 0 10 20 Del Rio Intl Airport 81 104 81 100 / 0 10 10 20 Georgetown Muni Airport 72 94 73 92 / 0 0 0 20 Hondo Muni Airport 75 100 76 98 / 0 10 10 20 San Marcos Muni Airport 73 96 74 94 / 0 0 0 10 La Grange - Fayette Regional 74 93 74 93 / 0 0 0 10 San Antonio Intl Airport 76 98 76 95 / 0 0 0 10 Stinson Muni Airport 76 99 77 98 / 0 0 0 10 && .EWX WATCHES/WARNINGS/ADVISORIES... None. && $$ Short-Term...18 Long-Term...09 Aviation...18