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 Aug 9, 10:00 AM CST, 2 hours 30 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1100 AM CDT MON AUG 9 2004 .UPDATE... SURFACE BOUNDARIES TO NORTHWEST AND SOUTHEAST OF CWA WITH MID TO UPPER LEVEL SHEAR AXIS OVERHEAD. CLUSTER OF CONVECTION OVER THE NORTHWESTERN CWA WILL CONTINUE TO SLOWLY DRIFT TO THE SOUTHWEST AND HAVE BOOSTED POPS TO 60 THERE. OTHERWISE, EXPECT SCATTERED CONVECTION TO DEVELOP THIS AFTERNOON ACROSS THE REMAINDER OF THE CWA AS SURFACE BOUNDARIES SQUEEZE INTO THE CWA DURING PEAK HEATING. PWS AROUND 2 INCHES SUGGESTS LOCALLY HEAVY RAINFALL POSSIBLE. && .PREV DISCUSSION... SERIES OF LOW AMPLITUDE 700 TO 300 HPA TROFS CONTINUE TO MOVE ACROSS SOUTH CENTRAL TEXAS FROM THE NW AND N THRU TUESDAY. THE MOST INSTABILITY FOR RAIN TODAY APPEARS OVER THE WEST PART OF SOUTH CENTRAL TEXAS. ON TUESDAY GENERAL MARGINAL INSTABILITY LINGERS OVER THE AREA...AS NEXT WX SYS ALOFT COMES ACROSS AREA FROM THE N AND NW. BY WEDNESDAY TEMPS WARM UP AHEAD OF A COOL FRONT. THIS COOL FRONT IS STILL FORECAST TO MOVE ACROSS SOUTH CENTRAL TEXAS FROM THE NORTH. APPEARS LIKE IN THE MID TO LATE AFTERNOON THE FRONT MOVES ACROSS THE HILL COUNTRY AND OVER ADJACENT PARTS OF SOUTH CENTRAL TEXAS FROM LATE AFTERNOON TO THE EVENING. WILL SHOW CHC OF SHOWERS AND THUNDERSTORMS WITH COOL FRONT. IN WAKE OF FRONT THURSDAY PARTLY CLOUDY SKIES SHOW UP ON MOST FORECASTS...WITH POPS LOW ENOUGH TO SHOW NO RAIN OR SHOWERS. BY FRIDAY SLIGHT CHANCE OF RAIN SHOWS UP OVER THE WEST PART OF THE AREA. ON SATURDAY AND SUNDAY...FORECASTS WILL BE INFLUENCED BY POSSIBLE WX SYSTEM COMING FROM THE WEST. 00Z AUG 9TH SINGLE RUN GFS SHOWS ENOUGH LIFT FOR CHANCE OF RAIN...WHILE COMPOSITE FORECASTS AND ECMWF SHOW WEAK INFLUENCE OF HIGH ALOFT OVER AREA. AN EQUAL WEIGHTED COMPROMISE OF THESE SOLUTIONS...RECENT TRENDS...AND COMPOSITE OF 12 HOUR POPS FOR THIS PERIOD FROM THE PAST FEW DAYS...SIGNAL A SLIGHT CHC OF SHOWERS FOR SATURDAY AND SUNDAY. && .EWX WATCHES/WARNINGS/ADVISORIES... NONE. && 04/06
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 532 AM CDT MON AUG 9 2004 TXZ171>173-183>194-202>209-217>225-228-101100- 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- 532 AM CDT MON AUG 9 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE... ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED TODAY AND TONIGHT ACROSS SOUTH CENTRAL TEXAS. A FEW THUNDERSTORMS COULD PRODUCE WIND GUSTS TO 40 MPH...FREQUENT LIGHTNING....AND RAINFALL AMOUNTS IN EXCESS OF ONE INCH. OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. HOWEVER...THERE IS A CHANCE OF THUNDERSTORMS TUESDAY THROUGH WEDNESDAY NIGHT AND ALSO A SLIGHT CHANCE OF THUNDERSTORMS OVER THE WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
The national radar mosaic for the moment the first event began.
1 flash flood. Local standard time, as filed.
Thunderstorms persisted from late morning into the afternoon between Langtry and Comstock, producing general 2 inch totals, with up to 4 inches near Comstock. Flash flooding was reported by the Emergency Manager through the mid afternoon.
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, August 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: 5420599.