Alert archive / Texas / Flash Flood Warnings in 2004
Flash Flood Warning 254, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 30, 2004, 6:19 AM CDT for Uvalde County, Texas. It was in force for 3 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
- Jul 30, 2004, 6:19 AM CDT (11:19 UTC)
- Expired
- Jul 30, 2004, 9:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Uvalde County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 11.3 hours before the alert went out and 111 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
- 2983 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 1261 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- -21 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 301122 FFWSAT TXC463-301415- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 619 AM CDT FRI JUL 30 2004 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... UVALDE * UNTIL 915 AM CDT * AT 618 AM CDT...A THUNDERSTORM PRODUCING VERY HEAVY RAIN WAS LOCATED 7 MILES EAST OF GARNER STATE PARK...OR ABOUT 12 MILES SOUTH OF VANDERPOOL. THIS STORM WAS STATIONARY. RAINFALL RATES APPROACHING 2 INCHES AN HOUR WERE INDICATED. * OTHER LOCATIONS IN THE WARNING INCLUDE SABINAL...REAGAN WELLS...UTOPIA AND CONCAN. 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 2947 9989 2929 9947 2960 9945 2961 9979 $$
2 follow-up statements
000 WGUS74 KEWX 301146 FFSSAT TXC463-301415- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 638 AM CDT FRI JUL 30 2004 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 AM CDT... THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL CONTINUE OVER NORTHERN UVALDE COUNTY. THESE STORMS WERE NEARLY STATIONARY WITH RAINFALL RATES OF 2 TO 2.5 INCHES AN HOUR. THE HEAVIEST RAINS WERE OCCURRING BETWEEN CONCAN AND UTOPIA. MOTORISTS SHOULD WATCH FOR FLOODED LOW WATER CROSSINGS THIS MORNING ON 1050 AND 187. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 2947 9989 2929 9947 2960 9945 2961 9979 $$
000 WGUS74 KEWX 301216 FFSSAT TXC463-301415- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 714 AM CDT FRI JUL 30 2004 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 AM CDT FOR UVALDE COUNTY... THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL CONTINUE OVER NORTHERN UVALDE COUNTY. THESE STORMS WERE DRIFTING EASTWARD WITH RAINFALL RATES OF 1.5 TO 2.5 INCHES AN HOUR. THE HEAVIEST RAINS CONTINUE BETWEEN CONCAN AND UTOPIA. MOTORISTS SHOULD WATCH FOR FLOODED LOW WATER CROSSINGS THIS MORNING ON 1050 AND 187. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. 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 2947 9989 2929 9947 2960 9945 2961 9979 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 8:52 PM CDT | Flash Flood Warning | EWX | Atascosa, Fayette, Gonzales, Karnes, Wilson | 4 hr |
| Jul 29, 10:18 PM CDT | Flash Flood Warning | EWX | DeWitt | 3 hr |
| Jul 30, 6:06 AM CDT | Flash Flood Warning | EWX | Medina | 3 hr |
| Jul 30, 6:55 AM CDT | Flash Flood Warning | EWX | Bandera | 3 hr |
| Jul 30, 8:59 AM CDT | Flash Flood Warning | EWX | Medina | 61 min |
| Jul 30, 9:11 AM CDT | Flash Flood Warning | EWX | Uvalde | 64 min |
Nearby
Flash Flood Warnings in Texas, 2004Every flash flood warning in 2004
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.