Area Forecast Discussion
Issued by NWS San Angelo, TX
Issued by NWS San Angelo, TX
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220 FXUS64 KSJT 191746 AFDSJT Area Forecast Discussion National Weather Service San Angelo TX 1146 AM CST Wed Nov 19 2025 ...New AVIATION... .KEY MESSAGES... - Flood Watch in Effect for this evening through Thursday Night. - Rain chances begin today, peaking Thursday, before decreasing Friday. There`s a risk for excessive rainfall and flooding. - There is a medium to high chance (70%-90%) of at least 1 inch of rainfall across much of West Central Texas, with a medium chance (50%-60%) of at least 2 inches of rain for areas southeast of a Brownwood to Brady to Sonora line. && .SHORT TERM... (Today and tonight) Issued at 1203 AM CST Wed Nov 19 2025 The upper-level low across the southwestern US will slowly track southeastward, ejecting a series if upper-level disturbances ahead of it and across West Central Texas this afternoon and into Thursday. This will continue the influx of low-level moisture into the area from the south to southwest, and will aide in the development of isolated to scattered showers and thunderstorms today and into Thursday. Best chances for rain will develop in the afternoon hours today and persist through Thursday as as the first in a series of embedded disturbances ahead of the low/trough track into the area. A few isolated strong storms will be possible with a marginal threat for large hail and damaging winds later this afternoon and into the evening hours. A Marginal to Slight risk for excessive rainfall remains over much of the area, with the slight risk area covering mainly our southern most counties along the I-10 corridor. Flooding could be possible with the increased potential for heavy rainfall across the area, so the Flood watch will remain in effect for this evening through Thursday night. High temperatures Wednesday will be slightly cooler and closer to seasonal normals for this time of year, ranging in the mid 70s to low 80s. Lows tonight will be in the upper 50s to mid 60s. && .LONG TERM... (Thursday through Tuesday) Issued at 1215 AM CST Wed Nov 19 2025 By Thursday morning, models have come into good agreement with a negatively tilted parent low centered near western Arizona. A potent shortwave rotating around the parent low will move over west Texas during the day. Ahead of this upper level feature, persistent south/southeasterly low level flow will increase moisture across the entire west central Texas region. Surface dewpoints in the mid/upper 60s, as well as moisture in the mid and upper levels of the atmosphere will lead to precipitable water values hovering around the 1.5 inch range for areas southeast of a Brownwood to Ozona line, and greater than an inch for the entire area. High resolution CAMs, as well as lower resolution global models, continue to concentrate the greatest rainfall in areas that are already covered in a Flash Flood Watch, so there`s no need to make changes there. Other than the flash flood threat, severe weather is not expected to be a concern with cooler temperatures and lower instability by Thursday. Expect the bulk of the heavy rain to end to end by the evening hours Thursday, with nearly all of the rain except for a few light showers exiting the area by around Midnight Thursday. Friday into Saturday will be drier with 20% or less chances for precipitation. Temperatures will also be closer to normal from Thursday through Saturday as well. For the next system, medium range models continue to converge around a solution showing a strong low moving into central New Mexico by Sunday and then into the southern plains by Tuesday. This will bring another good chance for showers and thunderstorms from Sunday into Monday night. Moisture is expected to recover rather efficiently from the storms over the next few days, so heavy rainfall and flooding will again be possible, along with severe weather. && .AVIATION... (18Z TAFS) Issued at 1131 AM CST Wed Nov 19 2025 Mainly VFR conditions this afternoon will rapidly deteriorate this evening and especially overnight into Thursday morning as showers and storms become widespread across the area. Using the CAMs as a first guess forecast on the timing of the start, and then using prevailing storms for late tonight through Thursday morning. Some possibility of more isolated activity sooner than projected but given the uncertainty in timing and whether its near a terminal location, will leave out for now. Will see MVFR for much of tonight into Thursday, with pockets of both IFR and VFR at times. Wind speeds will remain at mainly southerly at about 10 knots but will vary around the storms. && .PRELIMINARY POINT TEMPS/POPS... Abilene 80 64 71 52 / 50 70 90 60 San Angelo 79 59 70 49 / 50 80 90 60 Junction 81 59 72 53 / 40 80 90 70 Brownwood 82 61 71 53 / 50 80 100 80 Sweetwater 77 63 70 50 / 50 80 90 40 Ozona 76 60 71 50 / 40 80 90 40 Brady 80 62 68 55 / 50 80 90 80 && .SJT WATCHES/WARNINGS/ADVISORIES... Flood Watch from 9 PM CST this evening through late Thursday night for Brown-Kimble-Mason-McCulloch-Menard-San Saba-Sutton. && $$ SHORT TERM...TP LONG TERM....20 AVIATION...07