Alert archive / Texas / Flash Flood Warnings in 2004
Flash Flood Warning 346, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Oct 26, 2004, 8:43 AM CDT for Val Verde 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
- Oct 26, 2004, 8:43 AM CDT (13:43 UTC)
- Expired
- Oct 26, 2004, 11:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Val Verde County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 1.7 hours before the alert went out and 73 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
- 558 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 631 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KEWX 261347 FFWSAT TXC465-261645- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 843 AM CDT TUE OCT 26 2004 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... VAL VERDE * UNTIL 1145 AM CDT * AT 840 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A LINE OF THUNDERSTORMS OVER THE WARNED AREA. * LOCATIONS IN THE WARNING INCLUDE JUNO. THE HIGHEST THREAT FOR FLASH FLOODING IS OVER NORTH CENTRAL AND NORTHEAST VAL VERDE COUNTY WHERE HEAVY RAINS OF 2 TO 3 INCHES HAVE LIKELY FALLEN OVER THE DEVILS RIVER BASIN. EXPECT FLOODED LOW WATER CROSSINGS OVER HIGHWAY 163 NEAR JUNO WITH THE DEVILS RIVER ALREADY RISING FROM PREVIOUS RAINS. FLASH FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED AREAS. A LITTLE OVER A FOOT OF WATER CAN CARRY AWAY MOST CARS AND TRUCKS. TURN AROUND - DONT DROWN. LAT...LON 2982 10131 2984 10070 3028 10072 3027 10118 $$
1 follow-up statement
000 WGUS74 KEWX 261618 FFSSAT TXC465-261645- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1117 AM CDT TUE OCT 26 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 1145 AM CDT FOR VAL VERDE COUNTY... AT 1117 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE SCATTERED SHOWERS MOVING ACROSS VAL VERDE COUNTIES. THE THREAT FOR ADDITIONAL FLOODING HAS TEMPORARILY DECREASED...BUT FLOODING REMAINS POSSIBLE OVER THE LOW WATER CROSSINGS NEAR THE DEVILS RIVER OVER NORTHERN VAL VERDE COUNTY. THE FLASH FLOOD WARNING FOR VAL VERDE COUNTY WILL LIKELY BE ALLOWED TO EXPIRE AT 1145 AM CDT. HOWEVER...ADDITIONAL SHOWERS AND THUNDERSTORMS WILL MOVE NORTHEAST FROM NORTHERN MEXICO INTO VAL VERDE COUNTY BY NOON. SOME OF THESE THUNDERSTORMS COULD PRODUCE ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES WHICH WOULD LIKELY FLOOD THE VERY SATURATED SOILS OF VAL VERDE COUNTY. A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH 4 PM CDT THIS AFTERNOON. LOCATIONS IN THE WARNING INCLUDE JUNO. FLASH FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED AREAS. A LITTLE OVER A FOOT OF WATER CAN CARRY AWAY MOST CARS AND TRUCKS. TURN AROUND - DONT DROWN. LAT...LON 2982 10131 2984 10070 3028 10072 3027 10118 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 25, 7:24 PM CDT | Flash Flood Warning | EWX | Val Verde | 4 hr |
| Oct 26, 2:15 PM CDT | Flash Flood Warning | EWX | Val Verde | 2 hr |
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.