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 1, 6:40 AM CST, 3 hours 20 minutes earlier.
AREA FORECAST DISCUSSION UPDATED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 740 AM CDT WED SEP 01 2004 .DISCUSSION... 700 TO 300 HPA TROF CONTINUES OVER WEST TEXAS TODAY IS EXPECTED TO ALLOW RELATIVELY UNSTABLE CONDTIONS TO CONTINUE TODAY FOR THE WEST PART OF SOUTH CENTRAL TEXAS. 12Z RAOB INFO SUPPORTS THIS TREND...AS DID 00Z SEP 1 NCEP FCST SOLUTIONS...PLUS TRENDS IN THE PAST FEW DAYS. AS A RESULT SHOWED FLOOD WATCH FOR FLASH FLOODING OVER PARTS OF VAL VERDE...EDWARDS...KINNEY...MAVERICK...REAL... UVALDE...DIMMIT...AND ZAVALA COUTNIES FOR TODAY...WHERE HIGHEST CHANCE OF RAIN IS INDICATED BY DATA AVAILABLE EARLY THIS MORNING. ISOLATED LOCALLY HEAVY RAINS HAVE AFFECTED THESE AREAS IN THE LAST FEW DAYS. FORECASTS SHOW WEAK 700 TO 300 HPA TROF SLOWING DRIFTING NE IN THE NEXT FEW DAYS...SO CONTINUED POPS FOR SOUTH CENTRAL TEXAS ASSOICATED WITH THIS SLOW MOVING EARLY SEPTEMBER WEATHER SYSTEM. IN WAKE OF THIS WEATHER SYSTEM MONDAY AND MONDAY NIGHT...NCEP FORECASTS CONTINUE TO SHOW COOL FRONT MOVING THROUGH THE AREA IN A MONDAY TO MONDAY NIGHT TIME FRAME. INDICATED WDLY SCT SHOWERS OR THUNDERSTORMS WITH THE FRONT MONDAY AND MONDAY EVENING...THEN LITTLE OR NO RAIN EXPECTED TUESDAY AND WEDNESDAY. WILL HAVE TO MONITOR IF SYSTEM SLOWS DOWN...HOWEVER COMPOSITE OF SOLUTIONS SHOWED FRONT AND ASSOCIATED 700 TO 250 HPA TROF MOVING ACROSS THE AREA. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 91 67 93 66 / 20 10 10 10 AUSTIN BERGSTROM INTL AIRPORT 91 64 93 69 / 20 10 10 10 DEL RIO INTL AIRPORT 86 69 90 69 / 60 30 20 20 SAN ANTONIO INTL AIRPORT 90 68 93 69 / 40 20 20 10 && .EWX WATCHES/WARNINGS/ADVISORIES...FLOOD WATCH FOR FLASH FLOODING FOR VAL VERDE...EDWARDS...KINNEY...MAVERICK...REAL...UVALDE...DIMMIT... AND ZAVALA COUNTIES THRU 7 PM CDT. && 08/18/JB
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 742 AM CDT WED SEP 1 2004 TXZ171>173-183>194-202>209-217>225-228-021100- 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- 742 AM CDT WED SEP 1 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE... THERE IS A FLASH FLOOD WATCH IN EFFECT THROUGH 7 PM CDT FOR THE FOLLOWING COUNTIES... DIMMIT...EDWARDS...KINNEY...MAVERICK...REAL...UVALDE...VAL VERDE...AND ZAVALA. A SLOW MOVING DISTURBANCE IN THE MID LEVELS OF THE ATMOSPHERE WILL DRAW ABUNDANT PACIFIC AND GULF MOISTURE INTO WESTERN SECTIONS OF SOUTH CENTRAL TEXAS TO PRODUCE NUMEROUS SHOWERS AND THUNDERSTORMS OVER THE WATCH AREA. MOST OF THESE RAINS ARE EXPECTED TO FALL GRADUALLY WITH RAINFALL RATES MOSTLY LESS THAN ONE INCH PER HOUR. HOWEVER...CONTINUOUS REDEVELOPMENT OF THUNDERSTORMS IS POSSIBLE WITH ISOLATED 3 TO 4 INCH RAINFALL TOTALS EXPECTED OVER PARTS OF THE WATCH AREA BY THE END OF THE DAY. THIS HEAVY RAIN POTENTIAL WILL COMBINE WITH ALREADY SATURATED SOILS TO RESULT IN THE FLASH FLOOD THREAT. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. HOWEVER...HIGH LEVELS OF MOISTURE IN THE ATMOSPHERE OVER TEXAS WILL RESULT IN A SLIGHT CHANCE FOR THUNDERSTORMS THURSDAY THROUGH MONDAY. .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.
General 2 to 3 inch rainfall from near Frio Town along FM140 into Pearsall and then southeastward along FM 1582 to the southeast corner of Frio County caused widespread flash flooding. The worst problems were in the city of Pearsall near the noon hour.
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: 5424867.