Alert archive / Texas / Flash Flood Warnings in 2004
Flash Flood Warning 247, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 25, 2004, 9:37 PM CDT for Edwards County, Texas. It was in force for 4 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 25, 2004, 9:37 PM CDT (02:37 UTC)
- Expired
- Jul 26, 2004, 1:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Edwards County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 2.6 hours before the alert went out and 86 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
- 87 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 2048 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 51 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 260237 FFWSAT TXC137-260630- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 937 PM CDT SUN JUL 25 2004 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... EDWARDS * UNTIL 130 AM CDT * AT 928 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM 16 MILES SOUTHWEST OF ROCKSPRINGS...MOVING NORTH AT 5 MPH. * THE STORM PRODUCING VERY HEAVY RAIN WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. LAT...LON 2975 10046 2975 10025 3044 10009 3044 10061 $$
3 follow-up statements
000 WGUS74 KEWX 260337 FFSSAT TXC137-260630- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1034 PM CDT SUN JUL 25 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 130 AM CDT FOR EDWARDS COUNTY... AT 1027 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN. THIS STORM WAS LOCATED NEAR ROCKSPRINGS...MOVING NORTH AT 5 MPH. ANOTHER STORM WAS OVER FARM ROAD 674 ABOUT 20 MILES SOUTH OF ROCKSPRINGS. THIS STORM WAS STATIONARY. ADDITIONAL RAINFALL AMOUNTS OF 3 TO 5 INCHES ARE POSSIBLE IN THE WARNED AREA. FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. LAT...LON 2975 10046 2975 10025 3044 10009 3044 10061 $$
000 WGUS74 KEWX 260443 FFSSAT TXC137-260630- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1136 PM CDT SUN JUL 25 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 130 AM CDT FOR EDWARDS COUNTY... AT 1130 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE THUNDERSTORMS PRODUCING VERY HEAVY RAIN. THESE STORMS WERE LOCATED NEAR ROCKSPRINGS AND CARTA VALLEY...MOVING NORTH AT 5 MPH. RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATED 2 TO 4 INCHES OF RAIN BETWEEN CARTA VALLEY, ROCKSPRINGS AND BARKSDALE OVER THE PAST 3 HOURS. THE REMAINING THUNDERSTORMS WILL PRODUCE AN ADDITIONAL 2 TO 3 INCHES OF RAIN MAINLY OVER RURAL EDWARDS COUNTY. FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. 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 2975 10046 2975 10025 3044 10009 3044 10061 $$
000 WGUS74 KEWX 260641 FFSSAT TXC137-260655- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 137 AM CDT MON JUL 26 2004 ...FLASH FLOOD WARNING FOR EDWARDS COUNTY EXPIRED AT 130 AM CDT... THE FLASH FLOOD WARNING FOR EDWARDS COUNTY HAS EXPIRED. ISOLATED SHOWERS AND THUNDERSTORMS ARE POSSIBLE FOR THE REMAINDER OF TONIGHT HOWEVER THE THREAT OF ADDITIONAL HEAVY RAINFALL HAS ENDED. $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 7:25 PM CDT | Flash Flood Warning | EWX | Blanco | 3 hr |
| Jul 25, 7:27 PM CDT | Flash Flood Warning | EWX | Comal, Guadalupe | 3 hr |
| Jul 25, 8:19 PM CDT | Flash Flood Warning | EWX | Hays | 4 hr |
| Jul 25, 9:13 PM CDT | Flash Flood Warning | EWX | Guadalupe | 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.