Alert archive / Texas / Flash Flood Warnings in 2004
Flash Flood Warning 246, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 25, 2004, 9:13 PM CDT for Guadalupe 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 25, 2004, 9:13 PM CDT (02:13 UTC)
- Expired
- Jul 26, 2004, 12:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Guadalupe County, TX
The radar
The Austin/San Antonio radar (KEWX), 16 km from the middle of the area, began a volume at 02:16 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 2.2 hours before the alert went out and 215 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
- 889 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1624 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 9 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 260218 FFWSAT TXC187-260515- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 913 PM CDT SUN JUL 25 2004 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... GUADALUPE * UNTIL 1215 AM CDT * AT 906 PM CDT...FLASH FLOODING WAS REPORTED FROM A THUNDERSTORM NEAR SEGUIN...OR ABOUT OVER SEGUIN. THE STORM PRODUCING FLASH FLOODING WAS NEARLY STATIONARY. * OTHER LOCATIONS IN THE WARNING INCLUDE MCQUEENEY...MARION... KINGSBURY AND GERONIMO. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. TRAVEL ON LOW ROADS THAT CROSS GERONIMO CREEK IS HIGHLY DISCOURAGED. 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 2963 9779 2975 9794 2958 9824 2940 9784 $$
4 follow-up statements
000 WGUS74 KEWX 260307 FFSSAT TXC187-260515- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1005 PM CDT SUN JUL 25 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 1215 AM CDT FOR GUADALUPE COUNTY... AT 956 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN. THIS STORM WAS LOCATED NORTH OF NEW BERLIN. THE THUNDERSTORM WITH EXCESSIVE RAIN WAS NEARLY STATIONARY. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MCQUEENEY...MARION...KINGSBURY AND GERONIMO. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE WARNED AREA. FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. LAT...LON 2963 9779 2975 9794 2958 9824 2940 9784 $$
000 WGUS74 KEWX 260352 FFSSAT TXC187-260515- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1042 PM CDT SUN JUL 25 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 1215 AM CDT FOR GUADALUPE COUNTY... AT 1035 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATE WEAKENING SHOWERS ACROSS GUADALUPE COUNTY. 5.19 INCHES OF RAIN FELL AT NEW BRAUNFELS MUNICIPAL AIRPORT. GENERAL 2 TO 3 INCH RAINS WERE ESTIMATED BY DOPPLER RADARS FROM JUST NORTH OF SCHERTZ TO ZORN AND STAPLES. MOST OF THE RAIN FELL OVER ALLIGATOR CREEK AND THE UPPER REACHES OF GERONIMO CREEK. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MCQUEENEY...MARION...KINGSBURY AND GERONIMO. 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. 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. LAT...LON 2963 9779 2975 9794 2958 9824 2940 9784 $$
000 WGUS74 KEWX 260449 FFSSAT TXC187-260515- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1144 PM CDT SUN JUL 25 2004 ...A FLASH FLOOD WARNING EXPIRES AT 1215 AM CDT FOR GUADALUPE COUNTY... AT 1135 PM CDT...A FEW LIGHT SHOWERS REMAIN OVER GUADALUPE COUNTY. NO ADDITIONAL HEAVY RAINS ARE EXPECTED TO DEVELOP. SOME LOW LYING AREAS AND LOW WATER CROSSING MAY REMAIN IN FLOOD FOR THE NEXT COUPLE OF HOURS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN AUSTIN SAN ANTONIO. LAT...LON 2963 9779 2975 9794 2958 9824 2940 9784 $$
000 WGUS74 KEWX 260533 FFSSAT TXC187-209-260545- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1229 AM CDT MON JUL 26 2004 ...FLASH FLOOD WARNINGS FOR HAYS AND GUADALUPE COUNTIES EXPIRED AT 1215 AM CDT... THE FLASH FLOOD WARNINGS FOR HAYS AND GUADALUPE COUNTIES HAVE EXPIRED. THE THREAT OF HEAVY RAINFALL HAS ENDED FOR TONIGHT. $$
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, 9:37 PM CDT | Flash Flood Warning | EWX | Edwards | 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; radar from the NEXRAD Level II archive.