1 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 Jun 30, 8:35 PM CST, 3 hours 26 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 935 PM CDT WED JUN 30 2004 .DISCUSSION... EARLIER WIDESPREAD RAINS HAVE ENDED ACROSS THE FLOOD WATCH AREA AND ARE NO LONGER EXPECTED. AS A RESULT, THE FLOOD WATCH FOR FLASH FLOODING IS NO LONGER IN EFFECT. THESE RAINS PRODUCED A WESTWARD MOVING OUTFLOW THAT GENERATED SOME CONVECTION WHICH HAD VERY LOCALIZED INTENSE RAINFALL. THIS SECONDARY CONVECTION HAD ALSO ENDED. HOWEVER, HAVE KEPT 20 POPS ACROSS THE CWA, DUE TO AN UPPER LEVEL SHORT-WAVE APPROACHING FROM THE TRANS-PECOS AND FAR NORTHERN MEXICO AND PROXIMITY TO A MESOSCALE COMPLEX CENTERED EAST OF LAREDO. REMAINDER OF FORECAST GENERALLY ON TRACK AS SUBTROPICAL RIDGE ATTEMPTS TO REGAIN ITS USUAL EARLY JULY STRENGTH. PWS WILL DROP OFF FAIRLY RAPIDLY AND DYNAMICS WILL MOVE EAST OF CWA BY LATE THURSDAY INTO EARLY FRIDAY. DUE TO EVAPOTRANSPIRATION, SIGNIFICANT LOWER LEVEL MOISTURE WILL REMAIN IN THE SHORT-TERM, AND DAYTIME HEATING MAY GENERATE SOME SHOWERS. ALSO, POSSIBILITY EXISTS FOR NORTHWESTERLY FLOW AROUND RIDGE CENTERED OVER NORTHERN MEXICO COULD ALLOW MESOSCALE COMPLEXES INTO NORTHEASTERN PARTS OF THE CWA. POPS COVERED WELL IN THE SHORT-TERM, ALTHOUGH DID SOME MINOR ADJUSTMENTS. LATER IN THE FORECAST CYCLE, RIDGE WILL FLATTEN MAKING FOR A MORE ZONAL FLOW. THIS COULD ALLOW SOME CONVECTION TO DRIFT OFF THE MEXICAN MOUNTAINS INTO THE RIO GRANDE COUNTIES. ALSO, SOME CONVECTION COULD MOVE INTO THE SOUTHEASTERN COUNTIES NEAR THE CROSSROADS DUE TO THE SEABREEZE AND WEAKNESS IN THE RIDGE. HOWEVER, HAVE NOT INTRODUCED POPS TO AWAIT LATER MODEL RUNS FOR CONSISTENCY. && .EWX WATCHES/WARNINGS/ADVISORIES...NONE. && 04/06/JB
HAZARDOUS WEATHER OUTLOOK...UPDATE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT WED JUN 30 2004 TXZ171>173-183>194-202>209-217>225-228-011100- 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- 600 PM CDT WED JUN 30 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE... A FLASH FLOOD WATCH IS IN EFFECT FOR THE EASTERN SECTIONS OF SOUTH CENTRAL TEXAS THROUGH 9PM TONIGHT. NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE TO PLAGUE THE AREA ALONG AND EAST OF INTERSTATE 35. ADDITIONAL RAIN AMOUNTS COULD RUN 1 TO 3 INCHES WITH ISOLATED TOTALS UP TO 6 INCHES. RAIN CHANCES WILL START TO DECREASE LATER TONIGHT BUT FLOODING MAY PERSIST. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SOME RIVER FLOODING MAY CONTINUE. OTHERWISE...NO HAZARDOUS WEATHER IS ANTICIPATED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
The San Antonio River near Elmendorf crested at 39.05 feet on June 30 at 2315CST, where flood stage is 35 feet.
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: 5420510.