Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 140, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jul 24, 2003, 5:28 PM CDT for Lavaca County, Texas. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 24, 2003, 5:28 PM CDT (22:28 UTC)
- Expired
- Jul 24, 2003, 6:30 PM CDT
- In force
- 62 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Lavaca County, TX
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 10.5 hours before the alert went out and 188 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2417 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 703 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 242228 SVRSAT TXC285-242330- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 527 PM CDT THU JUL 24 2003 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... LAVACA * UNTIL 630 PM CDT * AT 527 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER SUBLIME...OR ABOUT 12 MILES EAST OF HALLETTSVILLE...MOVING WEST AT 30 MPH. THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH... LARGE HAIL AND VERY HEAVY RAIN. * THE SEVERE THUNDERSTORM WILL BE... OVER HALLETTSVILLE AT 550 PM OVER SHINER AT 615 PM IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 2944 9719 2914 9694 2934 9666 2960 9694 $$
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Jul 24, 3:15 PM CDT, 2 hours 13 minutes earlier.
Area forecast discussion, Jul 24, 3:15 PM CDT, 2 hours 13 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 315 PM CDT THU JUL 24 2003 500 HPA TROF OVR SE U.S...WITH ASSOC S/W TROF MOVG OVER EAST PART OF S CNTRL TX THIS AFTN AND EVE...FCST TO LIFT NE FRIDAY AND CAUSE RIDGE ALOFT CNTRD NEAR 4 CORNERS TO BUILD SLIGHTLY EAST OVER S CNTRL TEXAS ON FRIDAY. SOME MARGINAL INSTABLILITY POSSIBLE OVER FAR EAST AND SOUTHEAST PART OF S CNTRL TEXAS ON FRIDAY...WHERE ISOLD SHRA OR TSRA POSSIBLE...WITH LIMITNG POPS FURTHER WEST. ON SATURDAY THROUGH MONDAY...FORECASTS CONT TO SHOW WEAK WX SYSTEM MOVG TO THE SOUTH AND THEN SOUTHWEST OF AREA BY LATE SUNDAY OR MONDAY. THIS PATTERN WILL ALLOW FOR DAYTIME HEATING SHRA TO FORM OVER THE AREA IN AN ISOLD TO WDLY SCT PATTERN. THE TUESDAY WX PATTERN SHOWS POSSIBLE SHRA OVER WEST AND NORTH PARTS OF THE AREA...AHEAD OF NEXT WEATHER SYSTEM COMING FROM THE NORTH. THIS WX SYSTEM MAY BE ACCOMPANIED BY WEAK COOL FRONT OR MESO BOUNDARY NEXT WEDNESDAY...SO WILL SHOW CHC OF SHRA OR TSRA FOR NEXT WED. THIS PATTERN MAY LINGER OVER PART OF THE AREA THURSDAY OF NEXT WEEK...WITH HIGHEST CHC OF RAIN OVER EAST PART OF AREA AND LOWER CHC OF RAIN WEST. PRELIMS... AUS 073 095 073 095 070 01020 DRT 076 096 077 097 076 20000 SAT 075 092 076 093 073 10020 .EWX...NONE. 08/18
Hazardous weather outlook, Jul 24, 5:54 AM CDT, 11 hours 34 minutes before
TXZ171>173-183>194-202>209-217>225-228-251100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 554 AM CDT THU JUL 24 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY...NO HAZARDOUS WEATHER IS EXPECTED. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 6:15 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 60 min |
| Jul 24, 6:16 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 59 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2003Every severe thunderstorm warning in 2003
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.