Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 19, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 25, 2003, 5:51 PM CST for Williamson County, Texas. It was in force for 54 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
- Mar 25, 2003, 5:51 PM CST (23:51 UTC)
- Expired
- Mar 25, 2003, 6:45 PM CST
- In force
- 54 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Williamson 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 25, 3:30 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 11.9 hours before the alert went out and 226 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
- 771 J/kg
- Mixed-layer CIN
- -366 J/kg
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 287 m²/s²
- 0-3 km storm-relative helicity
- 332 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
393 WUUS54 KEWX 252351 SVRSAT TXC491-260045- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 550 PM CST TUE MAR 25 2003 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... WILLIAMSON * UNTIL 645 PM CST * AT 550 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES NORTHWEST OF JARRELL...MOVING SOUTH AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE... 4 MILES WEST OF JARRELL AT 600 PM OVER SERENADA AT 620 PM 5 MILES WEST OF WEIR AT 625 PM OVER GEORGETOWN AT 630 PM * THIS WARNING INCLUDES LOCATIONS IN AND AROUND... JARRELL SERENADA WEIR GEORGETOWN DAM GEORGETOWN 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. LAT...LON 3095 9779 3069 9794 3051 9742 3101 9747 $$
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 Mar 25, 3:30 PM CST, 2 hours 21 minutes earlier.
Area forecast discussion, Mar 25, 3:30 PM CST, 2 hours 21 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION...UPDATE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
330 PM CST TUE MAR 25 2003
ADD SVR WX WATCH #74
CLEARING LINE PROGRESSING EASTWARD AS COLD FRONT DROPS SOUTH AND
DRY LINE JUST HANGS OUT WEST. WILL KEEP SAME AREA OF SEVERE
THUNDERSTORMS AS PER SPC. AFTER 850MB FRONT PASSES THROUGH TONIGHT
SKY WILL BE CLEAR. A SUNNY DAY TOMORROW THEN CLOUDS ROLL BACK IN AS
THE NEXT VIGOROUS STORM SYSTEM, OVER THE ALASKAN GULF, MOVES ACROSS
THE ROCKIES THURSDAY. ANOTHER FRONTAL PASSAGE FRIDAY WITH BLUSTERY
NORTH WINDS. FEEL SUFFICIENT MOISTURE WILL BE AVBL FRIDAY FOR
SCATTERED SHOWERS AND THUNDERSTORMS WITH FROPA. LONG WAVE RIDGING
TAKES A HOLD FOR THE WEEKEND WITH MOSTLY CLEAR SKIES AND NEAR
SEASONAL TEMPERATURES. THE UPPER RIDGE IS EXPECTED TO HOLD FIRM
THROUGH MONDAY, THEN FLATTEN OUT TUESDAY.
PRELIMS NUMBERS...
AUS 52 75 49 75 58 60000
DRT 52 78 54 82 65 -0003
SAT 54 76 52 76 62 40000
.EWX...SEVERE THUNDERSTORM WATCH #74 TIL 9PM ALONG AND EAST OF A
LLANO TO TARPLEY TO PEARSALL TO CRYSTAL CITY LINE .
06/08/23Hazardous weather outlook, Mar 25, 5:44 AM CST, 12 hours 7 minutes before
TXZ171>173-183>194-202>209-217>225-228-261200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 544 AM CST TUE MAR 25 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS MAINLY THE EASTERN HALF OF SOUTH CENTRAL TEXAS LATE THIS AFTERNOON THROUGH TONIGHT. THERE IS ALSO A RED FLAG WARNING IN EFFECT FOR WESTERN SECTIONS OF SOUTH CENTRAL TEXAS FOR TODAY. AN UPPER-LEVEL DISTURBANCE AND COLD FRONT WILL MOVE THROUGH SOUTH CENTRAL TEXAS THIS AFTERNOON AND EVENING. OVER WESTERN SECTIONS OF SOUTH CENTRAL TEXAS CONDITIONS WILL BE FAVORABLE FOR THE SPREAD OF WILDFIRES WITH VERY LOW HUMIDITIES AND GUSTY WINDS BEHIND THE FRONT. ACROSS CENTRAL AND EASTERN SECTIONS OF SOUTH CENTRAL TEXAS... SCATTERED THUNDERSTORMS WILL DEVELOP AS THE FRONT ENCOUNTERS AMPLE MOISTURE AT THE TIME OF PEAK AFTERNOON HEATING. THE THREAT OF SEVERE WEATHER WILL BE MAINLY ALONG AND EAST OF A BURNET TO COMFORT TO PEARSALL LINE. ANY THUNDERSTORM THAT DEVELOPS COULD PRODUCE LARGE HAIL...DAMAGING WINDS...ISOLATED TORNADOES...AND LOCALLY HEAVY DOWNPOURS UP TO 2 INCHES. THE FRONT WILL PUSH EAST AND FOCUS THUNDERSTORMS AWAY FROM SOUTH CENTRAL TEXAS BY EARLY WEDNESDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Mar 25, 3:15 PM CST, 2 hours 36 minutes before
TXZ171>173-183>194-202>209-217>225-228-260300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 315 PM CST TUE MAR 25 2003 ...INCREASING CHANCE OF SHOWERS OR THUNDERSTORMS FOR PARTS OF CENTRAL AND SOUTH CENTRAL TEXAS LATER THIS AFTERNOON AND TONIGHT... A COLD FRONT WILL MOVE OVER THE NORTH AND WEST PARTS OF THE HILL COUNTRY IN THE LATE AFTERNOON TO EARLY EVENING TODAY...TO PARTS OF CENTRAL TEXAS AND NORTHERN PARTS OF SOUTH CENTRAL TEXAS IN THE EVENING HOURS AFTER 6 TO 8 PM...AND OVER THE REST OF SOUTH CENTRAL TEXAS LATER TONIGHT. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO FORM NEAR THE COLD FRONT LATER THIS AFTERNOON AND IN THE EVENING AND NIGHTTIME HOURS. SOME OF THE THUNDERSTORMS MAY BE SEVERE MAINLY NEAR AND EAST OF A BURNET AND LLANO COUNTY TO SOUTH OF SAN ANTONIO LINE...WHERE SOME LARGE HAIL AND STRONG WINDS IS POSSIBLE. ISOLATED TORNADOES COULD FORM WITH SOME OF THE THUNDERSTORMS OVER THE EAST PART OF SOUTH CENTRAL TEXAS. ANY THUNDERSTORM WILL CAUSE FREQUENT DANGEROUS LIGHTNING AND LOCALLY HEAVY RAIN. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO MOVE OUT OF SOUTH CENTRAL TEXAS IN THE PRE DAWN TO EARLY MORNING HOURS WEDNESDAY...AS THE THE COLD FRONT MOVES OUT OF SOUTH CENTRAL TEXAS. SUNNY CONDITIONS ARE EXPECTED DURING THE DAY WEDNESDAY...IN WAKE OF THE COLD FRONT...AND ITS ASSOCIATED UPPER LEVEL DISTURBANCE. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES.
Special weather statement, Mar 25, 3:25 PM CST, 2 hours 26 minutes before
TXZ171>173-183>194-202>209-217>225-228-260300- SPECIAL WEATHER STATEMENT UPDATED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 325 PM CST TUE MAR 25 2003 ...INCREASING CHANCE OF SHOWERS OR THUNDERSTORMS FOR PARTS OF CENTRAL AND SOUTH CENTRAL TEXAS LATER THIS AFTERNOON AND TONIGHT... A COLD FRONT WILL MOVE OVER THE NORTH AND WEST PARTS OF THE HILL COUNTRY IN THE LATE AFTERNOON TO EARLY EVENING TODAY...TO PARTS OF CENTRAL TEXAS AND NORTHERN PARTS OF SOUTH CENTRAL TEXAS IN THE EVENING HOURS AFTER 6 TO 8 PM...AND OVER THE REST OF SOUTH CENTRAL TEXAS LATER TONIGHT. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO FORM NEAR THE COLD FRONT LATER THIS AFTERNOON AND IN THE EVENING AND NIGHTTIME HOURS. SOME OF THE THUNDERSTORMS MAY BE SEVERE MAINLY NEAR AND EAST OF A LINE FROM BURNET AND LLANO COUNTY...TO BANDERA COUNTY...AND TO DIMMIT AND ZAVALA COUNTIES. IN THIS AREA THUNDERSTORMS MAY PRODUCE LARGE HAIL AND STRONG WINDS. ISOLATED TORNADOES COULD FORM WITH SOME OF THE THUNDERSTORMS OVER THE EAST PART OF SOUTH CENTRAL TEXAS. ANY THUNDERSTORM WILL CAUSE FREQUENT DANGEROUS LIGHTNING AND LOCALLY HEAVY RAIN. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO MOVE OUT OF SOUTH CENTRAL TEXAS IN THE PRE DAWN TO EARLY MORNING HOURS WEDNESDAY...AS THE THE COLD FRONT MOVES OUT OF SOUTH CENTRAL TEXAS. SUNNY CONDITIONS ARE EXPECTED DURING THE DAY WEDNESDAY...IN WAKE OF THE COLD FRONT...AND ITS ASSOCIATED UPPER LEVEL DISTURBANCE. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES.
Local storm report, Mar 25, 5:19 PM CST, 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
0519 PM CST TUE MAR 25 2003
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0512 PM CONCAN TX 0.88 IN HAIL
03/25/03 UVALDE
DCLocal storm report, Mar 25, 5:24 PM CST, 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
0524 PM CST TUE MAR 25 2003
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0512 PM CONCAN TX 0.88 IN HAIL
03/25/03 UVALDE REPORTED BY COOP
OBSERVER
DCThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 5:01 PM CST | Severe Thunderstorm Warning | EWX | Kendall | 59 min |
| Mar 25, 5:08 PM CST | Severe Thunderstorm Warning | EWX | Bandera | 52 min |
| Mar 25, 5:13 PM CST | Severe Thunderstorm Warning | EWX | Uvalde | 62 min |
| Mar 25, 5:18 PM CST | Severe Thunderstorm Warning | EWX | Gillespie | 42 min |
| Mar 25, 5:27 PM CST | Severe Thunderstorm Warning | EWX | Blanco | 63 min |
| Mar 25, 5:32 PM CST | Flash Flood Warning | EWX | Gillespie | 3 hr |
| Mar 25, 5:37 PM CST | Severe Thunderstorm Warning | EWX | Burnet | 53 min |
| Mar 25, 5:46 PM CST | Flash Flood Warning | EWX | Kendall | 3 hr |
| Mar 25, 5:58 PM CST | Severe Thunderstorm Warning | EWX | Kendall | 62 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.