1 thunderstorm wind, as filed by the National Weather Service.
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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 23, 10:15 AM CST, 15 minutes earlier.
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1115 AM CDT WED JUL 23 2003 OUTFLOW BNDRY FROM NORTH AND NORTHEAST EXPECTED TO MOVE OVER THE NORTH AND EAST PARTS OF SOUTH CENTRAL TEXAS THIS AFTERNOON...CAUSING CHC OF SHRA AND TSRA. WILL CONT WITH TREND FROM EARLY MORNING PACKAGE. THURSDAY WEATHER PATTERN CONTINUES TO SHOW HIGH ALOFT BUILDING OVER AREA FROM THE WEST AND NORTHWEST...WITH SOME MARGINAL INSTABILITY OVER THE EAST PART OF SOUTH CENTRAL TEXAS. WILL CONT TO SHOW A SLGT CHANCE OF SHRA/TSRA FOR EAST AND SOUTHEAST PART OF SOUTH CENTRAL TEXAS FOR THURSDAY. 08/01/WR PREVIOUS DISCUSSION... NEW MESO ETA INDICATES WEAK FRONT WILL REMAIN NORTH OF CWA AND THEN DISSIPATE. FOCUS FOR PRECIP WILL BE MCS AND ATTENDANT OUTFLOW BOUNDARIES MOVING DOWN FROM NE TEXAS. WILL MAINTAIN POPS AS PREVIOUSLY MENTIONED. MESO ETA AND GFS HAVE WEAK FRONT SAGGING SOUTH INTO NE CWA BY NOON AND INTO CENTRAL ZONES BY LATE AFTERNOON. FRONT BECOMES DIFFUSE TONIGHT. WILL GO WITH SPC OUTLOOK AND INCLUDE SOME SEVERE THUNDERSTORMS POSSIBLE EAST AND CENTRAL THIS AFTERNOON AND EVENING WITH DOWN BURST WINDS THE MAIN THREAT. POPS LIMITED TO SEA BREEZE ACTIVITY MAINLY SE THURSDAY THROUGH TUESDAY. TEMPS A BIT COOLER MAINLY NORTH NEXT COUPLE OF DAYS WITH VALUES CLOSE TO MAV GUIDANCE. BACK TO NEAR SEASONAL NORMALS FRIDAY. PRELIMS... AUS 093 069 095 070 3100 DRT 097 074 098 076 1200 SAT 092 073 094 074 3100 .EWX...NONE. 3/6
TXZ171>173-183>194-202>209-217>225-228-241100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 522 AM CDT WED JUL 23 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON AND THIS EVENING. THE THREAT AREA IS ALONG AND EAST OF A LINE FROM CUERO TO SAN ANTONIO TO LBJ STATE PARK TO GRANGER LAKE. THE THUNDERSTORMS WILL HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED.
The national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
A cold front moved southward into South Central Texas on the morning of July 23. A line of showers and thunderstorms developed along the front and moved quickly southward. Strong downburst winds damaged roofs, and knocked over several dozen trees shortly before noon.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2003Every state in 2003This day in weather historyWarnings in Texas, July 2003
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: 5375442.