4 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 4 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 Jul 25, 7:15 PM CST, 15 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 815 PM CDT SUN JUL 25 2004 .UPDATE...HEAVY SHOWERS AND THUNDERSTORMS CONTINUE ACROSS SOUTH CENTRAL TEXAS...INCLUDING 3.60 AT THE OFFICE HERE IN NEW BRAUNFELS IN THE PAST HOUR AND 15 MINUTES. RADAR AND IR SATELLITE IMAGERY INDICATE ACTIVITY IS WANING EXCEPT FOR A LARGE CLUSTER MERGER... MAINLY OVER BLANCO...HAYS...TRAVIS...AND COMAL COUNTIES. EXPECT THIS LARGE CLUSTER TO CONTINUE THROUGH 10 PM AND PRODUCE WIDESPREAD 1-2 INCHES OF RAIN...AND UP TO 4 INCHES IN SPOTS IN THESE COUNTIES. ALL COUNTIES BUT TRAVIS ARE UNDER FLASH FLOOD WARNINGS...WHICH WILL LIKELY CONTINUE AFTER MIDNIGHT AS WATER RUNS OFF THROUGH THE MANY CREEKS AND STREAMS IN THESE COUNTIES. TRAVIS COUNTY IS UNDER AN URBAN AND SMALL STREAM ADVISORY SINCE THE ACTIVITY IS LIGHTEST AND CONFINED TO THE FAR WESTERN PART OF THE COUNTY. WILL UPDATE THE GRIDS AND CORRESPONDING PRODUCTS AROUND 930 PM...MAINLY TO TAPER OFF POPS THE REST OF THE NIGHT AND TO RE-ESTABLISH WEATHER TRENDS SENT ASKEW BY THE CONVECTIVE BOUNDARY INTERACTIONS. && .PREV DISCUSSION... LATE AFTN AND EVE SHOWERS AND THUNDERSTORMS EXPECTED TO CONTINUE TO FORM ON WEAK COOL FRONT/WIND SHIFT LINE MOVING SOUTHWARD ACROSS SOUTH CENTRAL TEXAS LATE THIS AFTERNOON THROUGH THE EVENING. FORECASTS SHOW SOME LIFT REDEVELOPING OVER SOUTH CENTRAL TEXAS MONDAY...AS 700 TO 300 MB LOW MOVES TO MS VALLEY MONDAY...MOVING SOUTHERN PART OF TROF ACROSS AREA. EXPECT SHOWERS TO DECREASE MON NIGHT AS LIFT PASSES TO THE EAST AND DAYTIME HEATING EASES. FOR TUESDAY AND WEDNESDAY...DAY 3 AND DAY 4 FORECASTS CONTINUE TO SHOW 2ND 700 TO 300 MB TROF IN WEAK SOUTHERN STREAM WESTERLIES APPROACHING FROM THE WEST AND NORTHWEST. COMPOSITE OF SOLUTIONS INDICATES BEST CHANCES OF RAIN WILL BE WEDNESDAY...WHEN THIS WEAK UPPER LEVEL SYSTEM IS FORECAST TO MOVE OVER THE AREA. MORE STABLE CONDITIONS SLOWLY DEVELOP FROM THE WEST BY THURSDAY AND FRIDAY...FROM LAST FEW MEDIUM RANGE FORECAST CYCLES. THIS ALSO FITS TRENDS OF PAST FEW MONTHS. WILL SHOW SLIGHT CHANCE OF DAYTIME SHOWERS OR THUNDERSTORMS THURSDAY AND THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS OVER EAST PART OF AREA FRIDAY...AS MORE STABLE CONDITIONS SLOWLY DEVELOP FROM THE WEST. WENT WITH LITTLE OR NO RAIN FOR NEXT WEEKEND...WITH TEMPS RISING TO AROUND NORMAL FOR A LATE JULY/EARLY AUGUST SETTING...AS WEAK HIGH ALOFT FORMS OVER THE AREA. && .EWX WATCHES/WARNINGS/ADVISORIES... NONE. && 26/06/JB
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 530 AM CDT SUN JUL 25 2004 TXZ171>173-183>194-202>209-217>225-228-261100- ATASCOSA-BANDERA-BASTROP-BEXAR-BLANCO-BURNET-CALDWELL-COMAL-DEWITT- 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- 530 AM CDT SUN JUL 25 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT.. A WEAK COLD FRONT AND UPPER AIR DISTURBANCE WILL TRIGGER SHOWERS AND THUNDERSTORMS MAINLY OVER THE WESTERN SECTIONS OF SOUTH CENTRAL TEXAS TODAY AND TONIGHT. LOCALLY HEAVY RAINS OF 1 TO 1.5 INCHES ARE POSSIBLE MAINLY OVER VAL VERDE COUNTY WHICH COULD CAUSE FLOODING OF SOME LOW WATER CROSSINGS. HOWEVER...WIDE SPREAD FLASH FLOODING IS NOT EXPECTED. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... SCATTERED SHOWERS AND THUNDERSTORMS WILL PERSIST MONDAY AND TUESDAY...SLACKENING THE LATTER HALF OF THE WEEK. SOME LOCALIZED FLOODING OF LOW WATER CROSSINGS IS POSSIBLE...MAINLY IN VAL VERDE COUNTY MONDAY AND TUESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
The Austin/San Antonio radar (KEWX), 72 km away, was scanning. The volume nearest the first event began at 01:31 UTC.
4 flash flood. Local standard time, as filed.
A general one inch rain was reported over southwest Blanco County, with general 3 inch totals in the northeastern and southeastern quarters and 4 inches over the northwestern quarter. Numerous low water crossings were closed due to flash flooding thru the evening period.
Thunderstorms produced general amounts of 1 inch over the county, with up to 3 inches at Spring Branch as well as just west of New Braunfels. The Sheriff's Department reported low water crossings closed over much of the county through the evening.
Thunderstorms over Guadalupe County dropped between 1 and 2 inches of rain, with 3 inches in Marion up to 4 inches just northwest of Seguin. Numerous rural roads were closed in the western part of the county in the late evening.
Storms in Hays County produced between 1 and 2 inches of rain. Higher amounts near 3 inches were reported in Henly and along the Hays-Blanco County line. The Sheriff's Department reported low water crossings flooded in the areas around Henly, Dripping Springs and Wimberley.
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, July 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: 5417232, 5417233, 5417234, 5417235.