1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Austin/San Antonio, TX wrote its last area forecast discussion before the first event at Sep 25, 4:18 PM CST, 3 hours 42 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 518 PM CDT SAT SEP 25 2004 .UPDATE... UPDATED FORECAST TO INCREASE 1ST PERIOD POPS ACROSS THE EAST... INCLUDING THE AUSTIN METRO AREA WHERE CONVECTION IS CURRENTLY APPROACHING FROM THE EAST. REESTABLISHED TRENDS BASED ON LATEST OBS AND SATELLITE IMAGERY...OTHERWISE PREVIOUS FORECAST ON TRACK. NEW SUITE OF PRODUCTS OUT SHORTLY. && .PREV DISCUSSION... OUT WEST THE CONVECTION CONTINUE TO FIRE AND SEND AN OUTFLOW BOUNDARY TOWARD VAL VERDE COUNTY. WITH A WEAK DIFLUENT FLOW ALOFT ENTERING THE NORTHWEST HILL COUNTRY THIS EVENING, THE RW/TRW COULD CONTINUE THROUGH MIDNIGHT. THE WEAK TROF OVER THE GULF AND THE APPROACHING LONG WAVE TROUGH OVER THE ROCKIES WILL GRADUALLY LOWER UPPER HEIGHTS THROUGH MONDAY. PRECIPITABLE WATER VALUES REMAIN MARGINAL THROUGH THIS PERIOD DUE TO A NORTHEASTERLY FLOW. A BOUNDARY LAYER TROUGH WILL ACT AS THE FOCUSING MECHANISM FOR SHOWERS AND ISOLATED TSTMS DURING THE DAYTIME. TUESDAY THROUGH THURSDAY THE UPPER HEIGHTS CONTINUE TO FALL AS SOME SHORT WAVE TROUGHS EJECT EAST ACROSS SOUTH CENTRAL TEXAS. A COOL NORTHEAST FLOW WILL REMAIN IN THE BOUNDARY LAYER. MOST RAIN WILL BE CONFINED TO THE WEST WHERE MOISTURE WILL BE DAMMED AGAINST THE SIERRAS. FRIDAY AND SATURDAY WILL SEE A RISE IN UPPER HEIGHTS WITH ANOTHER LONG WAVE TROUGH MOVING THROUGH THE ROCKIES. HIGH TEMPS MOST AREAS WILL BE COOLER THAN NORMAL WITH LOWS RUNNIGN ABOUT THE SAME. && .EWX WATCHES/WARNINGS/ADVISORIES... NONE. && 11/03/PM
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 542 AM CDT SAT SEP 25 2004 TXZ171>173-183>194-202>209-217>225-228-261100- ATASCOSA-BANDERA-BASTROP-BEXAR-BLANCO-BURNET-CALDWELL-COMAL-DE WITT- DIMMIT-EDWARDS-FAYETTE-FRIO-GILLESPIE-GONZALES-GUADALUPE-HAYS-KARNES- KENDALL-KERR-KINNEY-LAVACA-LEE-LLANO-MAVERICK-MEDINA-REAL-TRAVIS- UVALDE-VAL VERDE-WILLIAMSON-WILSON-ZAVALA- 542 AM CDT SAT SEP 25 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE... NO HAZARDOUS WEATHER IS EXPECTED. HOWEVER ISOLATED TO SCATTERED THUNDERSTORMS CAN BE EXPECTED ACROSS SOUTH CENTRAL TEXAS TODAY. THE MOST UNSTABLE AIR WILL BE OVER THE COASTAL PRAIRIES TODAY AND TONIGHT AND ALSO OVER THE EDWARDS PLATEAU THIS AFTERNOON AND TONIGHT. ISOLATED HEAVY DOWNPOURS OF ONE TO TWO INCHES ARE POSSIBLE DUE TO THE SLOW EXPECTED MOVEMENTS OF THUNDERSTORMS. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. HOWEVER...THERE WILL REMAIN A CHANCE OF THUNDERSTORMS OVER SOUTH CENTRAL TEXAS THROUGH TUESDAY AS WEAK UPPER TROUGH MOVES SLOWLY ACROSS TEXAS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
The Austin/San Antonio radar (KEWX), 95 km away, was scanning. The volume nearest the first event began at 01:58 UTC.
1 flash flood. Local standard time, as filed.
Rainfall totals in showers and thunderstorms averaged 1 inch with isolated reports of up to 3 inches in the area from Yorktown to Cuero to Westhoff. Several roads were reported under water and closed by the Sheriff's Department through the evening.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2004Every state in 2004This day in weather historyWarnings in Texas, September 2004
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5424921.