1 hail, as filed by the National Weather Service.
Every event with a place to put it. 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 Apr 13, 2:00 AM CST, 1 hour earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 300 AM CDT TUE APR 13 2004 .DISCUSSION... A SURFACE ANALYSIS CONTINUES TO SHOW A BUILDING WEAK RIDGE DOMINATING THE SOUTHERN PLAINS WEATHER. COLD CANADIAN AIR CONTINUES TO FILTER SOUTHWARD INTO THE SOUTHERN PLAINS. NORTHERLY WINDS HAVE BECOME LIGHT AND VARIABLE ACROSS THE FORECAST WARNING AREA OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY. TEMPERATURES HAVE FALLEN TO AROUND 40 ACROSS THE HILL COUNTRY AND INTO THE LOWER 40S OVER THE SOUTH CENTRAL TEXAS COUNTIES. THE COLD FRONT THAT BLEW THROUGH THE REGION ON SATURDAY IS NOW OVER THE EAST COASTAL STATES. A STRONG PACIFIC NORTHWEST SYSTEM IS MOVING ONSHORE AND INTO THE NORTHERN STATES OF THE GREAT DIVIDE. A SATELLITE IMAGERY ANALYSIS IN THE WV...IR AND FOG MODES SHOWS CLEAR DRY AIR DOMINATING SOUTH CENTRAL TEXAS WEATHER. A MID LEVEL DECK OF CLOUDS IS OVER NORTHERN TEXAS...MOVING SOUTHEAST AND WILL BE EFFECTING THE NORTHEAST COUNTIES OF SOUTH CENTRAL TEXAS. IR IMAGERY SHOWS A GOOD SOUTHERN BAJA FETCH ACROSS MEXICO INTO SOUTHERN TEXAS. UPPER-AIR RAOD OBSERVATION FROM DEL RIO...DRT...SHOWS DRY AIR AT THE SURFACE UP TO 7.8K. NORTHWEST WINDS PREVAILING. PRECIPITABLE WATER VALUES OF 0.48 INCHES. PROFILER OBSERVATIONS OVER TEXAS SHOW WEST TO NORTHWEST WINDS FROM 20 KTS AT THE SURFACE TO 85 KTS AT 300 MBS. NCEP/HPC MODEL GUIDANCE ANALYSIS HAS A BUILDING RIDGE INTO TEXAS THROUGH THE WEEK WITH A PACIFIC NORTHWEST COLD FRONTAL SYSTEM MOVING SOUTHEAST INTO TEXAS AROUND 12Z SUNDAY. THE NGM...MESO ETA...AVN AND UKMET...RAINFALL ACCUMULATION MODEL ANALYSIS GUIDANCE FOR SOUTH CENTRAL TEXAS AND THE HILL COUNTRY FORECAST WARNING AREA SHOW NO PRECIPITATION FORECAST THROUGH 48 HOURS. NCEP SPC CONVECTIVE OUTLOOK HAS NO THUNDERSTORMS FORECAST THROUGH DAY THREE ACROSS THE FORECAST WARNING AREA. IN SUMMARY...AS SEEN ON SATELLITE...AN APPROACHING CLOUD DECK FROM NORTHERN TEXAS WILL SWEEP ACROSS THE NORTHEASTERN PORTION OF THE REGION THIS MORNING...PROVIDING A BRIEF PERIOD OF SCATTERED TO BROKEN CLOUDS. OTHERWISE...LOOK FOR CONTINUED NORTHERLY WINDS TODAY BEFORE SLOWLY SHIFTING AROUND TO THE SOUTHEAST TONIGHT INTO WEDNESDAY. MOSTLY CLEAR NIGHTS AND SUNNY DAYS THROUGH THURSDAY WITH TEMPERATURES RETURNING TO NEAR NORMAL READING OF LOWS IN THE 50S AND HIGHS IN THE 70S. TOWARDS THE WEEKEND...PARTLY CLOUDY SKIES WILL PREVAIL WITH LOWS IN THE 50S AND 60S AND HIGHS IN THE 70S AND 80S. LOOK FOR THE WEAK SURFACE RIDGE TO DOMINATE TEXAS WEATHER THROUGH THE WEEK. IN THE MID/UPPER LEVELS...ZONAL FLOW SETTING UP AND DOMINATE INTO THE WEEKEND. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 69 47 78 54 / 0 0 0 0 AUSTIN BERGSTROM INTL AIRPORT 67 40 75 50 / 0 0 0 0 DEL RIO INTL AIRPORT 77 49 82 57 / 0 0 0 0 SAN ANTONIO INTL AIRPORT 73 44 78 54 / 0 0 0 0 && .EWX WATCHES/WARNINGS/ADVISORIES...NONE &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 500 AM CDT MON APR 12 2004 TXZ171>173-183>194-202>209-217>225-228-131000- 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- 500 AM CDT MON APR 12 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
The national radar mosaic for the moment the first event began.
1 hail. Local standard time, as filed.
Large hail to one inch in diameter damaged roofs and vehicles in Lago Vista.
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, April 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: 5392022.