Alert archive / Texas / Flash Flood Warnings in 2004
Flash Flood Warning 267, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 22, 2004, 11:04 PM CDT for Frio 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
- Aug 22, 2004, 11:04 PM CDT (04:04 UTC)
- Expired
- Aug 23, 2004, 2:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Frio County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 4.1 hours before the alert went out and 175 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
- 2116 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1092 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KEWX 230407 FFWSAT TXC163-230700- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1104 PM CDT SUN AUG 22 2004 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... FRIO * UNTIL 200 AM CDT * AT 1059 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS MOVING NORTH AROUND 20 MPH PRODUCING FLASH FLOODING WITH RAINFALL AMOUNTS OF ONE TO TWO INCHES. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS...STREAMS...HIGHWAYS AND UNDERPASSES. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. LAT...LON 2870 9933 2868 9887 2906 9885 2906 9935 $$
3 follow-up statements
000 WGUS74 KEWX 230419 FFSSAT TXC163-230700- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1117 PM CDT SUN AUG 22 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 200 AM CDT FOR FRIO COUNTY... AT 1114 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE STRONG THUNDERSTORMS PRODUCING FLASH FLOODING MOVING NORTH AROUND 20 MPH WITH RAINFALL AMOUNTS OF ONE TO TWO INCHES. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS...STREAMS...HIGHWAYS AND UNDERPASSES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...DIPS...OR LOW WATER CROSSINGS. LAT...LON 2870 9933 2868 9887 2906 9885 2906 9935 $$
000 WGUS74 KEWX 230517 FFSSAT TXC163-230700- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1215 AM CDT MON AUG 23 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 200 AM CDT FOR FRIO COUNTY... AT 1213 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE HEAVY RAINS NEAR DILLEY. TWO TO THREE INCHES OF RAIN HAVE FALLEN ALONG AND WEST OF INTERSTATE 35 OVER THE PAST 2 HOURS. AN ADDITIONAL 1 TO 2 INCHES OF RAIN IS POSSIBLE OVER THE SOUTHERN HALF OF THE SOUTHERN HALF OF THE COUNTY. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PEARSALL...FRIO TOWN AND BIG FOOT. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN AUSTIN SAN ANTONIO. LAT...LON 2870 9933 2868 9887 2906 9885 2906 9935 $$
000 WGUS74 KEWX 230619 FFSSAT TXC163-230700- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 117 AM CDT MON AUG 23 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 200 AM CDT FOR FRIO COUNTY... AT 108 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING. THIS STORM WAS LOCATED NEAR DILLEY. THE THUNDERSTORM WITH EXCESSIVE RAIN WAS MOVING NORTH AT 20 MPH. A BROAD AREA OF 3 TO 5 INCH RAINS HAS FALLEN WEST OF INTERSTATE 35 IN THE PAST 3 HOURS. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MOORE...FRIO TOWN AND BIG FOOT. ADDITIONAL RAINFALL AMOUNTS OF ONE HALF TO ONE INCH ARE POSSIBLE IN THE WARNED AREA. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN AUSTIN SAN ANTONIO. LAT...LON 2870 9933 2868 9887 2906 9885 2906 9935 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 8:50 PM CDT | Flash Flood Warning | EWX | Bexar, Medina | 115 min |
| Aug 22, 9:15 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Medina | 60 min |
| Aug 22, 11:40 PM CDT | Flash Flood Warning | EWX | Medina | 3 hr |
| Aug 23, 12:12 AM CDT | Flash Flood Warning | EWX | Bandera | 3 hr |
| Aug 23, 1:31 AM CDT | Flash Flood Warning | EWX | Kendall | 3 hr |
| Aug 23, 1:42 AM CDT | Flash Flood Warning | EWX | Frio, Medina | 4 hr |
| Aug 23, 5:37 AM CDT | Flash Flood Warning | EWX | Frio | 113 min |
| Aug 23, 7:20 AM CDT | Flash Flood Warning | EWX | Frio | 3 hr |
| Aug 23, 8:27 AM CDT | Flash Flood Warning | EWX | Dimmit | 4 hr |
| Aug 23, 10:11 AM CDT | Flash Flood Warning | EWX | Frio | 4 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.