Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 1, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Feb 20, 2003, 7:29 AM CST for 4 counties in Texas. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 20, 2003, 7:29 AM CST (13:29 UTC)
- Expired
- Feb 20, 2003, 1:30 PM CST
- In force
- 6 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Blanco County, TX, Comal County, TX, Hays County, TX, Kendall County, TX
The radar
The Austin/San Antonio radar (KEWX), 59 km from the middle of the area, began a volume at 13:28 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.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 1.5 hours before the alert went out and 232 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 654 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KEWX 201332 FFWSAT TXC031-091-209-259-201930- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 729 AM CST THU FEB 20 2003 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... BLANCO HAYS KENDALL COMAL * UNTIL 130 PM CST * AT 729 AM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN 7 MILES NORTHWEST OF BERGHEIM...OR ABOUT 6 MILES NORTHEAST OF BOERNE...MOVING NORTHEAST AT 20 MPH. ADDDITONAL SHOWERS AND THUNDERSTORMS CONTINUE TO MOVE INTO THE AREA, CROSSING BERGHEIM AND TWIN SISTERS AND HENLY. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. LAT...LON 2989 9881 2976 9866 3004 9800 3036 9843 $$
6 follow-up statements
000 WGUS74 KEWX 201406 FFSSAT TXC031-091-209-259-201500- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 802 AM CST THU FEB 20 2003 ...A FLASH FLOOD WARNING CONTINUES FOR BLANCO...HAYS...KENDALL AND COMAL COUNTIES UNTIL 130 PM CST... HEAVY RAINS NEAR BOERNE IS MOVING NORTHEAST TOWARD FISHER AND HENLY. RAINFALL AMOUNTS THIS MORNING HAVE AVERAGE OVER 2 INCHES AT SISTERDALE AND 1.37 INCHES AT BLANCO. ALL RAINS HAVE FALLEN IN A LITTLE OVER 2 HOURS. AREA CREEKS ARE BEGINNING TO RESPOND TO THE RUNOFF. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS..COUNTRY ROADS..NORMALLY DRY WASHES AND ARROYOS..AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
000 WGUS74 KEWX 201456 FFSSAT TXC031-091-209-259-453-491-201545- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 855 AM CST THU FEB 20 2003 ...A FLASH FLOOD WARNING CONTINUES FOR WILLIAMSON...TRAVIS... BLANCO...HAYS...KENDALL AND COMAL COUNTIES UNTIL 130 PM CST... ...A FLASH FLOOD WATCH IS IN EFFECT TODAY AND TONIGHT FOR ALL OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL LOCATED ACROSS KENDALL AND TRAVIS COUNTIES MOVING NORTHEAST AT 20 MPH. RAINFALL RATES OF 1 TO 2 INCHES AN HOUR WERE STILL OCCURRING OVER THE WARNED COUNTIES. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...LOW WATER CROSSINGS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING AREAS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
000 WGUS74 KEWX 201612 FFSSAT TXC021-031-055-091-209-259-287-453-491-201700- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1005 AM CST THU FEB 20 2003 ...A FLASH FLOOD WARNING CONTINUES FOR WILLIAMSON...TRAVIS...LEE... BLANCO...BASTROP...HAYS...KENDALL...CALDWELL AND COMAL COUNTIES UNTIL 130 PM CST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL CONTINUING ACROSS COMAL...HAYS... BASTROP AND LEE COUNTIES. RAINFALL RATES OF 1 TO 1.5 INCHES AN HOUR WERE ESTIMATED BY DOPPLER RADAR IN THE STRONGER STORMS. MOVEMENT IS NORTHEAST AT 20 MPH. A NUMBER OF CREEKS ARE ON THE RISE ACROSS TRAVIS COUNTY AND ADDITIONAL HEAVY RAINFALL IS EXPECTED TO MOVE INTO THE AUSTIN AREA BY 1030 AM. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
000 WGUS74 KEWX 201704 FFSSAT TXC021-031-055-091-209-259-287-453-491-201800- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1103 AM CST THU FEB 20 2003 ...A FLASH FLOOD WARNING CONTINUES FOR WILLIAMSON...TRAVIS...LEE... BLANCO...BASTROP...HAYS...KENDALL...CALDWELL AND COMAL COUNTIES UNTIL 130 PM CST... ...FLASH FLOOD WATCH IN EFFECT TODAY AND TONIGHT FOR ALL OF SOUTH CENTRAL TEXAS AND THE TEXAS HILL COUNTRY... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL CONTINUING ACROSS HAYS...TRAVIS AND BASTROP COUNTIES. RAINFALL RATES OF 1 TO 1.5 INCHES AN HOUR WERE ESTIMATED BY DOPPLER RADAR IN THESE STRONGER STORMS. MOVEMENT IS NORTHEAST AT 20 MPH. THE STORMS ARE BEGINNING TO WEAKEN AND MOVE NORTHEAST OUT OF THE WARNED COUNTIES. HOWEVER EXCESSIVE RUNOFF FOR THE NEXT COUPLE OF HOURS FROM THESE STORMS WILL CONTINUE TO CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...LOW WATER CROSSINGS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING AREAS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
000 WGUS74 KEWX 201801 FFSSAT TXC021-031-055-091-209-259-287-453-491-201900- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1201 PM CST THU FEB 20 2003 ...A FLASH FLOOD WARNING CONTINUES FOR WILLIAMSON...TRAVIS...LEE... BLANCO...BASTROP...HAYS...KENDALL...CALDWELL AND COMAL COUNTIES UNTIL 130 PM CST... ...FLASH FLOOD WATCH IN EFFECT TODAY AND TONIGHT FOR ALL OF SOUTH CENTRAL TEXAS AND THE TEXAS HILL COUNTRY... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE HEAVY RAINS ACROSS THE WARNED COUNTIES HAVE TAPERED OFF DURING THE PAST HOUR. HOWEVER ADDITIONAL SHOWERS AND THUNDERSTORMS PRODUCING LIGHT TO MODERATE RAINFALL WILL CONTINUE TO TRAIN ACROSS THE WARNED COUNTIES FOR AT LEAST THE NEXT 1 TO 2 HOURS. RAINFALL RATES OF ONE QUARTER TO THREE QUARTERS OF AN INCH AN HOUR WERE ESTIMATED BY DOPPLER RADAR. MOVEMENT IS NORTHEAST AT 25 MPH. EXCESSIVE RUNOFF WILL CONTINUE FOR THE NEXT COUPLE OF HOURS FROM THESE STORMS. THIS WILL RESULT IN CONTINUED FLASH FLOODING OF SMALL CREEKS AND STREAMS...LOW WATER CROSSINGS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING AREAS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
000 WGUS74 KEWX 201905 FFSSAT TXC021-031-055-091-209-259-287-453-491-201930- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 100 PM PM CST THU FEB 20 2003 ...A FLASH FLOOD WARNING CONTINUES FOR WILLIAMSON...TRAVIS...LEE... BLANCO...BASTROP...HAYS...KENDALL...CALDWELL AND COMAL COUNTIES UNTIL 130 PM CST... ...FLASH FLOOD WATCH IN EFFECT TODAY AND TONIGHT FOR ALL OF SOUTH CENTRAL TEXAS AND THE TEXAS HILL COUNTRY... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT HEAVY RAINS CONTINUED TO MOVE ACROSS THE WARNED COUNTIES. ADDITIONAL SHOWERS AND THUNDERSTORMS PRODUCING LIGHT TO MODERATE RAINFALL ARE EXPECTED TO TRAIN ACROSS THE WARNED COUNTIES FOR THE NEXT FEW HOURS. RAINFALL RATES OF ONE QUARTER TO THREE QUARTERS INCHES AN HOUR ARE ESTIMATED BY DOPPLER RADAR. MOVEMENT IS NORTHEAST AT 25 MPH. EXCESSIVE RUNOFF WILL CONTINUE FOR THE NEXT FEW HOURS FROM THESE STORMS. THIS WILL RESULT IN CONTINUED FLASH FLOODING OF SMALL CREEKS AND STREAMS...LOW WATER CROSSINGS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING AREAS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 20, 6:44 AM CST | Severe Thunderstorm Warning | EWX | Bexar, Wilson | 46 min |
| Feb 20, 7:34 AM CST | Flash Flood Warning | EWX | Travis, Williamson | 6 hr |
| Feb 20, 9:14 AM CST | Flash Flood Warning | EWX | Bastrop, Caldwell, Lee | 4 hr |
| Feb 20, 9:23 AM CST | Severe Thunderstorm Warning | EWX | Gonzales | 52 min |
| Feb 20, 11:15 AM CST | Severe Thunderstorm Warning | EWX | Lavaca | 45 min |
| Feb 20, 1:25 PM CST | Flash Flood Warning | EWX | Bastrop, Blanco, Caldwell, Comal, Guadalupe, Hays and 3 more | 4 hr |
| Feb 20, 4:33 PM CST | Flash Flood Warning | EWX | Fayette, Gonzales | 57 min |
| Feb 20, 5:20 PM CST | Flash Flood Warning | EWX | Blanco, Caldwell, Comal, Guadalupe, Hays, Travis and 1 more | 3 hr |
| Feb 20, 5:25 PM CST | Flash Flood Warning | EWX | Bastrop, DeWitt, Fayette, Gonzales, Lavaca, Lee | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2003Every flash flood 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.