Alert archive / Texas / Flash Flood Warnings in 2004
Flash Flood Warning 342, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Oct 24, 2004, 6:15 PM CDT for Frio County, Medina 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 24, 2004, 6:15 PM CDT (23:15 UTC)
- Expired
- Oct 24, 2004, 9:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Frio County, TX, Medina County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 11.3 hours before the alert went out and 169 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
- 1162 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KEWX 242317 FFWSAT TXC163-325-250215- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 615 PM CDT SUN OCT 24 2004 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... MEDINA FRIO * UNTIL 915 PM CDT * AT 612 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED NUMEROUS AREA OF VERY HEAVY RAIN ACROSS FRIO AND SOUTHERN MEDINA COUNTY. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WERE NOTED. * LOCATIONS IN THE WARNING INCLUDE YANCEY...NATALIA...MOORE... DEVINE...CASTROVILLE...FRIO TOWN...PEARSALL...DILLEY AND BIG FOOT. HEAVY RAINFALL WILL CAUSE FLASH FLOODING OVER SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS...UNDERPASSES AND POORLY DRAINED AREAS. HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS... COUNTRY ROADS...AND FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND. DO NOT STAY IN FLOOD PRONE AREAS. 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 2870 9938 2868 9886 2936 9883 2928 9941 $$
3 follow-up statements
000 WGUS74 KEWX 250015 FFSSAT TXC163-325-250215- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 715 PM CDT SUN OCT 24 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 915 PM CDT FOR FRIO AND MEDINA COUNTIES... AT 712 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE VERY HEAVY RAIN ACROSS NORTHERN FRIO AND SOUTHERN MEDINA COUNTIES. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WERE NOTED. LOCATIONS IN THE WARNING INCLUDE YANCEY...NATALIA...MOORE...FRIO TOWN...DEVINE...CASTROVILLE AND BIG FOOT. HEAVY RAINFALL WILL CAUSE FLASH FLOODING OVER SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS...UNDERPASSES AND POORLY DRAINED AREAS. HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS... COUNTRY ROADS...AND FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND. DO NOT STAY IN FLOOD PRONE AREAS. FLASH FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED AREAS. A LITTLE OVER A FOOT OF WATER CAN CARRY AWAY MOST CARS AND TRUCKS. TURN AROUND - DONT DROWN. LAT...LON 2870 9938 2868 9886 2936 9883 2928 9941 $$
000 WGUS74 KEWX 250110 FFSSAT TXC163-325-250215- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 809 PM CDT SUN OCT 24 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 915 PM CDT FOR FRIO AND MEDINA COUNTIES... AT 807 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED MODERATE TO HEAVY RAIN ALONG THE FRIO AND MEDINA COUNTY LINE FROM DEVINE TO FRIO TOWN. RAINFALL RATES UP TO ONE INCH PER HOUR WAS NOTED. LOCATIONS IN THE WARNING INCLUDE YANCEY...NATALIA...MOORE...FRIO TOWN...DEVINE...CASTROVILLE AND BIG FOOT. HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS... COUNTRY ROADS...AND FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND. DO NOT STAY IN FLOOD PRONE AREAS. 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 2870 9938 2868 9886 2936 9883 2928 9941 $$
000 WGUS74 KEWX 250218 FFSSAT TXC163-325-250226- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 916 PM CDT SUN OCT 24 2004 ...THE FLASH FLOOD WARNING FOR FRIO AND MEDINA COUNTIES EXPIRED AT 915 PM CDT... AT 915 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED WIDELY SCATTERED MODERATE TO HEAVY RAINFALL ACROSS FRIO AND MEDINA COUNTIES. RAINFALL RATES WERE LESS THAN ONE INCH PER HOUR. NO WIDESPREAD FLASH FLOODING IS EXPECTED. HOWEVER...MINOR FLOODING OF LOW LYING AREAS AND SMALL STREAMS WILL CONTINUE FOR THE NEXT COUPLE OF HOURS. AN URBAN AND SMALL STREAM FLOOD ADVISORY WILL REPLACE THIS WARNING. LAT...LON 2870 9938 2868 9886 2936 9883 2928 9941 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 4:05 PM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Oct 24, 4:41 PM CDT | Flash Flood Warning | EWX | Comal, Guadalupe, Hays | 3 hr |
| Oct 24, 5:11 PM CDT | Severe Thunderstorm Warning | EWX | Guadalupe | 64 min |
| Oct 24, 5:39 PM CDT | Severe Thunderstorm Warning | EWX | Frio, Medina | 66 min |
| Oct 24, 5:58 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 62 min |
| Oct 24, 6:08 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales | 67 min |
| Oct 24, 6:45 PM CDT | Severe Thunderstorm Warning | EWX | Wilson | 60 min |
| Oct 24, 6:58 PM CDT | Flash Flood Warning | EWX | Bexar | 3 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.