Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 115, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 13, 2003, 9:49 PM CDT for Lavaca County, Texas. It was in force for 71 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
- Jun 13, 2003, 9:49 PM CDT (02:49 UTC)
- Expired
- Jun 13, 2003, 11:00 PM CDT
- In force
- 71 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Lavaca County, TX
The radar
The Austin/San Antonio radar (KEWX), 106 km from the middle of the area, began a volume at 02:48 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
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 00:00Z, 2.8 hours before the alert went out and 189 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
- 3720 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 849 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 6.3
The text
As transmitted, in the capitals the NWS used until 2016.
195
WUUS54 KEWX 140249
SVRSAT
TXC285-140400-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
949 PM CDT FRI JUN 13 2003
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
LAVACA
* UNTIL 1100 PM CDT
* AT 947 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AREAS
OF THUNDERSTORMS INCREASING OVER LAVACA COUNTY FROM THE WEST.
THUNDERSTORMS...SOME SEVERE...ARE EXPECTED TO FORM OVER LAVACA
COUNTY THROUGH 11 PM. THUNDERSTORMS WERE MOVING EAST AT 25 MPH.
STRONG WINDS...HAIL...LOCALLY HEAVY RAIN...AND FREQUENT DEADLY
LIGHTNING WILL ACCOMPANY THE THUNDERSTORMS.
LAT...LON 2939 9711 2915 9691 2937 9666 2960 9701
2952 9714
$$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 Jun 13, 9:39 PM CDT, 10 minutes earlier.
Area forecast discussion, Jun 13, 9:39 PM CDT, 10 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 939 PM CDT FRI JUN 13 2003 WILL UPDATE THE ZONES AGAIN TO LOWER POPS SIGNIFICANTLY FOR THE REMAINDER OF TONIGHT FOR MAINLY THE WESTERN HALF. LARGE MCS WILL CREATE TEMPORARY STABILITY TO REDUCE THE LIKELIHOOD OF THUNDERSTORMS AFTER MIDNIGHT DESPITE VERY UNSTABLE CONDITIONS IN THE UPPER LEVELS. ALTHOUGH THE RAINS ARE TEMPORARILY PUSHING EAST, THERE REMAINS A GOOD CHANCE THAT A FLASH FLOOD WATCH WILL NEED TO BE EXTENDED INTO SATURDAY AS MODELS SUGGEST ANOTHER ROUND OF DAYTIME THUNDERSTORMS FORMING. NORTHERN SECTIONS STILL ARE THE MAIN AREAS PRONE TO FLOODING, ALTHOUGH SOUTHERN AREAS MAY LOSE THE ABILITY TO TREAD WATER AFTER THE NEXT WAVE OF EXPECTED STORMS MOVES THROUGH. THE NEW MESO-ETA RUN SHOWS THE NEXT ROUND OF STORMS ROTATING SOUTH IN NW FLOW ALOFT FROM THE LBB AREA INTO SOUTH CENTRAL TX BY SATURDAY AFTERNOON. CURRENT TRENDS OVER THE HIGH PLAINS SUGGEST THE NEXT ROUND MAY BE AHEAD OF SCHEDULE AND READY TO MOVE INTO THE HILL COUNTRY BY DAYBREAK. WITH RAIN ONGOING IN THE EASTERN HALF OF THE FFA AREA, WILL KEEP WATCH UP AND LEAVE FOR THE EARLY MORNING SHIFT TO CANCEL OR EXTEND AS NECESSARY. THE AIR FOR THE REST OF TONIGHT WILL FEEL MUCH BETTER AS MANY READINGS ARE ALREADY IN THE UPPER 60S IN THE WAKE OF THE STRONG STORM SYSTEM. .EWX...NONE 18/8/23
Hazardous weather outlook, Jun 13, 6:00 AM CDT, 15 hours 49 minutes before
TXZ171>173-183>194-202>209-217>225-228-141200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 AM CDT FRI JUN 13 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON MAINLY OVER WESTERN PORTIONS OF SOUTH CENTRAL TEXAS...MAINLY VAL VERDE...EDWARDS AND KINNEY COUNTIES. SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP BY LATE AFTERNOON ALONG A DRY LINE OVER WEST TEXAS AND SPREAD RAPIDLY EASTWARD. A MODERATE RISK OF SEVERE STORMS EXISTS THIS EVENING THROUGHOUT ALL OF SOUTH CENTRAL TEXAS AS A VIGOROUS UPPER AIR DISTURBANCE MOVES ACROSS THE AREA. THIS INCLUDES THE AUSTIN AND SAN ANTONIO METRO AREAS. LARGE HAIL AND DAMAGING WINDS MAY OCCUR ALONG WITH A FEW TORNADOES LATE THIS AFTERNOON AND TONIGHT. .DAYS TWO THROUGH SEVEN... ISOLATED STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE SATURDAY THROUGH WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATE THIS AFTERNOON AND EVENING FOR MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY.
In the hours before
Local storm report, Jun 13, 5:49 PM CDT, 4 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
549 PM CDT FRI JUN 13 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0503 PM DEL RIO TX FLASH FLOODS
06/13/03 VAL VERDE LOW WATER CROSSINGS
CLOSED
REPORTED BY LAW
ENFORCEMENT
0520 PM BARTLETT TX 65 MPH TSTM WIND GUST
06/13/03 WILLIAMSON TREES DOWN
REPORTED BY LAW
ENFORCEMENT
0525 PM MOPAC TX WIND DAMAGE
06/13/03 TRAVIS PHONE POLES DOWN
REPORTED
BY SPOTTERS
0559 PM AUSTIN AIRPORT TX .75 INCH HAIL
06/13/03 TRAVIS REPORTED BY
ASOS
VL/DCLocal storm report, Jun 13, 6:56 PM CDT, 2 hours 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
656 PM CDT FRI JUN 13 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0640 PM CRYSTAL CITY TX WIND DAMAGE
06/13/03 ZAVALA WIRES, POLES AND TREES
DOWN
REPORTED BY LAW
ENFORCEMENT
DCLocal storm report, Jun 13, 8:35 PM CDT, 1 hour 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
835 PM CDT FRI JUN 13 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0500 PM LOCKHART TX WIND DAMAGE
06/13/03 CALDWELL TREES DOWN COUNTY
WIDE
REPORTED BY LAW
ENFORCEMENT
0530 PM BASTROP TX WIND DAMAGE
06/13/03 BASTROP POWER LINES DOWN
REPORTED BY LAW
ENFORCEMENT
0600 PM LA GRANGE TX WIND DAMAGE
06/13/03 FAYETTE TREES DOWN
REPORTED BY LAW
ENFORCEMENT
0610 PM GIDDINGS TX WIND DAMAGE
06/13/03 LEE TREE DOWN BLOCKING
ROAD
REPORTED BY LAW
ENFORCEMENT
0725 PM POTEET TX WIND DAMAGE
06/13/03 ATASCOSA TREES DOWN
REPORTED BY LAW
ENFORCEMENT
DCLocal storm report, Jun 13, 9:22 PM CDT, 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
922 PM CDT FRI JUN 13 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0423 PM LIBERTY HILL MIDDLE SCHOOL
AUSTIN TX 58 MPH TSTM WIND GUST
06/13/03 WILLIAMSON REPORTED BY KXAN LIVE
WEATHERNET
0424 PM LEANDER MIDDLE SCHOOL
AUSTIN TX 65 MPH TSTM WIND GUST
06/13/03 WILLIAMSON REPORTED BY KXAN LIVE
WEATHERNET
0434 PM TEXAS SCHOOL FOR THE DEAF
AUSTIN TX 60 MPH TSTM WIND GUST
06/13/03 TRAVIS REPORTED BY KXAN LIVE
WEATHERNET
0445 PM 183 AND BURNET ROAD
AUSTIN TX WIND DAMAGE
WIND BLEW PART OF
06/13/03 STRIP CENTER ROOF
INTO A SERVICE
STATION NEXT DOOR
REPORTED BY KEYE
DCThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 7:08 PM CDT | Tornado Warning | EWX | Frio | 67 min |
| Jun 13, 7:17 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa | 58 min |
| Jun 13, 7:30 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Comal, Guadalupe | 60 min |
| Jun 13, 7:55 PM CDT | Flash Flood Warning | EWX | Atascosa, Guadalupe, Wilson | 3 hr |
| Jun 13, 8:37 PM CDT | Flash Flood Warning | EWX | Caldwell, Gonzales, Karnes | 3 hr |
| Jun 13, 9:08 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 52 min |
| Jun 13, 10:00 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 30 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; radar from the NEXRAD Level II archive.