Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 13, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Feb 21, 2003, 6:38 AM CST for Gillespie County, Texas. It was in force for 67 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
- Feb 21, 2003, 6:38 AM CST (12:38 UTC)
- Expired
- Feb 21, 2003, 7:45 AM CST
- In force
- 67 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Gillespie County, TX
The radar
The Austin/San Antonio radar (KEWX), 108 km from the middle of the area, began a volume at 12:38 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, 0.6 hours before the alert went out and 212 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
- 581 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KEWX 211240 FFWSAT TXC171-211345- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 638 AM CST FRI FEB 21 2003 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS EXTENDED THE * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... GILLESPIE * UNTIL 745 AM CST * AT 638 AM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN 5 MILES SOUTHEAST OF WILLOW CITY...OR ABOUT 14 MILES EAST OF FREDERICKSBURG...MOVING NORTHEAST AT 20 MPH. AN ADDITIONAL INCH OF RAINFALL IS POSSIBLE ACROSS THE EASTERN HALF OF THE COUNTY. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 3019 9910 3017 9865 3047 9869 3049 9905 $$
1 follow-up statement
000 WGUS74 KEWX 211305 FFSSAT TXC031-053-171-209-453-491-211345- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 705 AM CST FRI FEB 21 2003 ...FLASH FLOOD WARNING FOR WILLIAMSON...TRAVIS AND HAYS COUNTIES UNTIL 10 AM CST... ...FLASH FLOOD WARNING FOR BURNET...BLANCO AND GILLESPIE COUNTIES UNTIL 745 AM CST... ...FLASH FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON FOR ALL OF SOUTH CENTRAL TEXAS AND THE TEXAS HILL COUNTRY... THUNDERSTORMS PRODUCING HEAVY RAINFALL WERE MOVING NORTHEAST AT 20 MPH ACROSS BURNET...TRAVIS AND WILLIAMSON COUNTIES. RAINFALL RATES OF 1 INCH AN HOUR CONTINUE WITH THESE STRONGER STORMS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 20, 8:06 PM CST | Flash Flood Warning | EWX | Burnet | 3 hr |
| Feb 20, 8:31 PM CST | Flash Flood Warning | EWX | Fayette | 89 min |
| Feb 21, 3:47 AM CST | Flash Flood Warning | EWX | Bandera, Gillespie, Kendall, Kerr | 3 hr |
| Feb 21, 3:51 AM CST | Severe Thunderstorm Warning | EWX | Bandera, Kerr | 54 min |
| Feb 21, 4:39 AM CST | Flash Flood Warning | EWX | Blanco, Burnet | 3 hr |
| Feb 21, 4:47 AM CST | Severe Thunderstorm Warning | EWX | Kendall, Kerr | 58 min |
| Feb 21, 6:01 AM CST | Flash Flood Warning | EWX | Hays, Travis, Williamson | 4 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.