The combination of increasing low level moisture and an unstable airmass along with a weak upper level disturbance, resulted in widely scattered thunderstorms across the Big Country during the late afternoon and evening. A few of these storms became severe and produced damaging winds and isolated large hail.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS SJT wrote it up.
The combination of increasing low level moisture and an unstable airmass along with a weak upper level disturbance, resulted in widely scattered thunderstorms across the Big Country during the late afternoon and evening. A few of these storms became severe and produced damaging winds and isolated large hail.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Angelo, TX wrote its last area forecast discussion before the first event at Apr 23, 4:45 PM CST, 50 minutes earlier.
Area Forecast Discussion National Weather Service San Angelo TX 545 PM CDT Tue Apr 23 2024 ...New AVIATION... .SHORT TERM... (This evening through Wednesday) Issued at 234 PM CDT Tue Apr 23 2024 Mild and breezy day on tap across west Central Texas. Morning cloud cover has given way to mostly sunny skies with breezy southerly winds. Temperatures will continue warming nicely into the mid to upper 80s this afternoon. There remains the possibility of isolated to scattered showers and thunderstorms developing later afternoon near the dry line/triple point intersection off the Caprock into northwest Texas. Some of these storms may drift southeastward into the Big Country through the evening hours. Given steep lapse rates aloft and ML CAPE values near 2000 J/K a few of these storms may become strong to severe, with large hail greater than golf ball size the primary threat. Otherwise, expect quiet conditiions tonight with lows in the 50s and 60s. For Wednesday expect another mild day with temperatures warming back into the mid to upper 80s. Another round of showers and storms may develop by the late afternoon/evening mainly across the Permian Basin. Given a stout capping version evident in the model soundings will maintain a dry forecast through the afternoon hours. && .LONG TERM... (Wednesday night through next Tuesday) Issued at 221 PM CDT Tue Apr 23 2024 By Wednesday evening, the upper ridge will be moving east, with southwest flow moving in behind it. This will increase southerly winds and moisture near the surface in our area. The remnants of a frontal boundary are expected to be just north of the area. With shortwave energy moving in on increasing southwesterly flow aloft, we could see storms develop by Wednesday evening along and north of Interstate 20 to just west of the area that could affect the Big Country. Some of these storms could be strong to severe with the main hazards being large hail and damaging winds. The concern for thunderstorms continues into Thursday night as an approaching upper trough moves through the Four Corners region and into the central/southern plains by Friday morning. Increasing southwesterly flow and attendant lift associated with the trough will interact with abundant surface/low level moisture, as well as an approaching dryline/Pacific front. The current timing of the combination of these ingredients is expected late Thursday night just west of the area, with storms affecting west central Texas during the overnight hours. The best chances for this activity will be over the northern half of the area, but the entire CWA will have a chance for storms. Again, any of the storms that form Thursday night may increase to severe levels, with the main concerns being large hail and damaging winds. Another upper low/trough will develop by Friday night over the southwestern U. S. Once again, moisture will be drawn northward into our area by Friday evening. Additional shortwave energy is expected to move in over the area as well, bringing another chance for late night thunderstorms Friday night into Saturday morning. As the parent low moves from the Four Corners into the central plains area Saturday into Saturday night, a Pacific cold front will move in which should initiate yet another round of storms Saturday night into Sunday morning, mainly for the eastern half of the area. As with the previous rounds, some of these storms could be severe. Expect generally quieter weather to start the work week next week. Temperatures will be warm throughout the long term with highs in the mid 80s to lower 90s, and lows mainly in the 60s. && .AVIATION... (00Z TAFS) Issued at 544 PM CDT Tue Apr 23 2024 Expect VFR conditions this evening across the area. Expect widespread stratus to spread north across much of the area late tonight and Wednesday morning with MVFR ceilings at the terminals. Also, a few hours of IFR ceilings are possible at the KSJT/KSOA/KBBD terminals mainly between 12Z and 16Z. Also, a few storms may move into the Big Country this evening. Will watch the KABI terminal for possible amendments for storms. && .PRELIMINARY POINT TEMPS/POPS... Abilene 60 84 67 85 / 20 10 10 10 San Angelo 62 89 67 86 / 0 10 10 10 Junction 64 88 67 89 / 0 0 0 0 Brownwood 61 83 66 84 / 10 10 10 10 Sweetwater 60 84 67 84 / 20 10 20 10 Ozona 62 86 66 83 / 0 0 0 10 Brady 64 83 67 84 / 0 0 0 10 && .SJT WATCHES/WARNINGS/ADVISORIES... None. && SHORT TERM...42 LONG TERM....20 AVIATION...21
Hazardous Weather Outlook National Weather Service San Angelo TX 233 PM CDT Tue Apr 23 2024 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-241945- Fisher-Nolan-Sterling-Coke-Runnels-Irion-Tom Green-Concho- Crockett-Schleicher-Sutton-Haskell-Throckmorton-Jones-Shackelford- Taylor-Callahan-Coleman-Brown-McCulloch-San Saba-Menard-Kimble- Mason- 233 PM CDT Tue Apr 23 2024 This Hazardous Weather Outlook is for portions of west central Texas. .DAY ONE...This Afternoon and Tonight Isolated strong to severe thunderstorms may occur over the Big Country mainly north of I-20 late this afternoon and evening. The main hazards are large hail and damaging winds. .DAYS TWO THROUGH SEVEN...Wednesday through Monday There is a chance of thunderstorms Thursday through Saturday night. Some of these storms could be strong to severe, with large hail, damaging winds, and dangerous lightning being the main hazards. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated at this time.
The Dyess AFB radar (KDYX), 108 km away, was scanning. The volume nearest the first event began at 23:36 UTC.
5 thunderstorm wind, 1 hail. Local standard time, as filed.
A storm chaser reported winds of 60 to 65 mph 1 mile south of Roby, measured by instrumentation from 6:30 PM to 7 PM.
Public reported a wind gust of 61 mph was in Roby.
An emergency manager reported a partial train derailment was caused by very strong straight line winds. There were 20 to 25 train cars blown over. The estimated wind speed was 80 mph. The estimated wind speed is based on doppler radar.
A trained spotter reported quarter size hail.
Social media report of medium size tree limbs blown down in Tuscola.
The automated surface observation system at the Abilene airport measured a wind gust of 58 mph.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2024Every state in 2024This day in weather historyWarnings in Texas, April 2024
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1173250, 1173253, 1173249, 1173248, 1173252, 1173251.