An upper-level shortwave trough moved over a dryline and generated thunderstorms in West Texas. One of these storms moved into Val Verde County and produced severe wind gusts.
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The episode as NWS EWX wrote it up.
An upper-level shortwave trough moved over a dryline and generated thunderstorms in West Texas. One of these storms moved into Val Verde County and produced severe wind gusts.
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 Austin/San Antonio, TX wrote its last area forecast discussion before the first event at Jun 1, 9:34 PM CST, 51 minutes earlier.
Area Forecast Discussion National Weather Service Austin/San Antonio TX 1034 PM CDT Sat Jun 1 2024 ...New UPDATE... .UPDATE... Issued at 1028 PM CDT Sat Jun 1 2024 Severe thunderstorms have developed in northern Mexico and are moving toward Val Verde County. Additional storms could form farther south and move into Texas. We have issued a Severe Thunderstorm Watch until 3 AM. Hail up to two inches and wind gusts up to 70 mph are the most likely threats. && .SHORT TERM... (Tonight through Sunday night) Issued at 231 PM CDT Sat Jun 1 2024 Radar trends show some isolated convection slowly developing for areas generally along and east of the Interstate 35 corridor. With continued heating, we expect to see additional showers and storms develop over these areas as well as portions of the Hill Country through this afternoon. Severe Thunderstorm Watch #365 for Lavaca and DeWitt counties is ongoing, but may need to be cancelled early if the current radar trends continue. For the late evening into early Sunday morning, the focus for convection will shift westward into the Rio Grande plains and southern Edwards Plateau as a complex of storms is expected to move out of the lower Trans Pecos region. A good amount of the hi-res models and even some support from the global run of the GFS tend to favor a complex of storms moving in, so we have increased rain chances over the NBM. Exactly how far the complex can move across our region is in question, but for now we have added rain chances to the forecast for early tomorrow morning as far east as a Llano to New Braunfels line. Some strong to severe storms are possible, with large hail and damaging winds being the main concerns. For most of the remainder of Sunday, we will keep the forecast dry. The exception being across our north and northeastern counties where models depict some isolated afternoon storms may develop. && .LONG TERM... (Monday through Saturday) Issued at 231 PM CDT Sat Jun 1 2024 Overall stability begins to ramp up Monday, but another shortwave pulls out of the westerlies from the higher terrain late Monday. The deterministic runs show a pretty consistent signal for high plains induced or dry-line storms forming out north/west and moving toward our central counties in the evening. Storm strength and expected coverage is chosen as a split between deterministic consensus and the more conservative NBM. Moisture in soils has not really improved much with the multiple rounds of rain covering mostly over the Hill Country and Central TX. Thus the high dew point environment over our southern counties may be overdone in terms of the models not mixing out the air enough to reflect the appropriate temperature and heat index that should both be increasing for Monday. We think the HI will begin to approach advisory levels but have low confidence, especially given the erratic day-to-day trends we saw with the early season heat wave last week. Height fields aloft appear to climb faster by Tuesday, and this might be the next day a NPW product is warranted. Some light NW flow remains over North TX so some isolated Hill Country convection is noted for Tuesday afternoon. More dominant high amplitude upper ridging builds over TX by Wednesday, so the potential for northerly flow driven storms should decrease over at least our portion of TX. This pattern also resembles the more classic upper ridge driven heat wave, as opposed to the plateau wind driven one from last week. As can be expected, this could mean the beginning of our effective summer as the westerly flow gets blocked. Similar to the previous heat wave, this upcoming hot period could be made more unpleasant by relatively light afternoon and evening winds with little help from isolated storm outflows or a sea breeze. On a positive note the ECM/GFS solutions do show a somewhat vulnerable upper ridge being chipped away by instability dropping south from the high plains and also a possible early monsoonal flow from Mexico, just outside the 7-day forecast window. && .AVIATION... (00Z TAFS) Issued at 640 PM CDT Sat Jun 1 2024 All terminals are currently VFR and should remain that way through the evening. There are isolated thunderstorms in Mexico west of Del Rio. They are still a few of hours away and we have included a TEMPO group from 04Z to 07Z. This timing may need to be adjusted. There is a lower chance for convection overnight in Austin and San Antonio, but chances are too low to include in the TAFs. Later tonight ceilings will drop to MVFR at all sites. Recovery back to VFR will be around noon Sunday. && .PRELIMINARY POINT TEMPS/POPS... Austin Camp Mabry 77 94 78 95 / 10 10 0 10 Austin Bergstrom Intl Airport 76 93 77 94 / 10 10 0 10 New Braunfels Muni Airport 77 96 78 96 / 20 10 0 10 Burnet Muni Airport 74 90 75 92 / 10 10 10 10 Del Rio Intl Airport 79 100 82 100 / 30 10 0 10 Georgetown Muni Airport 73 91 76 92 / 10 20 0 10 Hondo Muni Airport 76 97 77 96 / 30 10 0 10 San Marcos Muni Airport 76 94 77 95 / 10 10 0 10 La Grange - Fayette Regional 77 92 77 93 / 10 20 0 0 San Antonio Intl Airport 78 96 79 95 / 30 10 0 10 Stinson Muni Airport 78 97 79 97 / 30 10 0 0 && .EWX WATCHES/WARNINGS/ADVISORIES... None. && Short-Term...Platt Long-Term...18 Aviation...05
Hazardous Weather Outlook National Weather Service Austin/San Antonio TX 323 AM CDT Sat Jun 1 2024 TXZ171>173-183>194-202>209-217>225-228-020830- Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera- Gillespie-Kendall-Blanco-Hays-Travis-Bastrop-Lee-Kinney-Uvalde- Medina-Bexar-Comal-Guadalupe-Caldwell-Fayette-Maverick-Zavala- Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca-Dimmit- 323 AM CDT Sat Jun 1 2024 This Hazardous Weather Outlook is for South-Central Texas.. .DAY ONE...Today And Tonight. A few strong to severe storms and locally heavy rainfall are possible this afternoon into evening. The main threats are large hail, damaging winds, and minor flooding. The highest threat will be across the Rio Grande Plains into the Edwards Plateau. .DAYS TWO THROUGH SEVEN...Sunday through Friday. The heat will intensify next week to where Heat Advisories may be needed across portions of the region mid week. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to submit reports from any storms.
The Laughlin AFB radar (KDFX), 118 km away, was scanning. The volume nearest the first event began at 04:26 UTC.
1 thunderstorm wind. Local standard time, as filed.
A thunderstorm produced wind gusts measured at 53 kts by the Gray Ranch mesonet station.
After NWS Directive 10-1605, the rules offices file Storm Data by.
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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: 1188463.