2 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 2 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 Houston/Galveston, TX wrote its last area forecast discussion before the first event at Apr 25, 8:40 AM CST, 1 hour 45 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 940 AM CDT SUN APR 25 2004 .DISCUSSION... ONLY MINOR CHANGES...MAINLY CLEANING UP TEMPORAL WORDING...EXPECTED FOR THE MORNING UPDATE. A LARGE SWATH OF SHOWERS AND THUNDERSTORMS CONTINUES TO DEVELOP AND MOVE INTO MOST OF SOUTHEAST TEXAS. AS OF LATE MORNING...THE HEAVIEST ACTIVITY WAS MAINLY NORTH OF I-10 AND WEST OF I-45. EVERYONE WILL SEE RAIN TODAY...AND SOME WILL SEE VERY HEAVY RAIN...UNTIL THE FRONT MOVES OFF THE COAST LATER TONIGHT. 46/33 && .PREV DISCUSSION... MESO HIGH FROM TYR-HDO IN VCNTY OF ONGOING PRECIP NEAR POOLING OF 850 MOISTURE. OUTFLOW BOUNDARIES GALORE OVER SETX BUT MORE PROMINENT FEATURE NEAR THE COAST FROM BPT-IAH AND THEN TO NEAR RKP AREA. VERY IMPRESSIVE MOISTURE POOLING OFFSHORE AND OVER COASTAL BEND REGION. ARANSAS PASS GPS PLOT SHOWING 2.05 PW. THE MOISTURE TRANSPORT SHOULD SPREAD NORTHWARD THIS MORNING AND FORESEE ANOTHER LARGE CONVECTIVE CLUSTER DEVELOPING THIS MORNING TO THE WSW AND TRACKING EAST INTO SETX...SOMEWHAT ALONG THE LINES OF THE GFS SCENARIO. GFS DOES OVERDO THE NORTHERLY FLOW BEHIND THE CONVECTIVE MASS SO WILL LIKELY FAVOR THE LIGHTER FLOW PRESENT IN THE ETA TODAY. S/W ROTATING DOWN INTO NM NOW WILL TRAVERSE EASTWARD AND SHOULD HELP TO PUSH FRONT SOUTH TONIGHT. 850 AND SURFACE FRONT MOVE ACROSS THE AREA TONIGHT AND SHOULD END THE PRECIP BY 12-15Z MONDAY MORNING INLAND THOUGH MAY STILL HAVE SOME OFFSHORE. THANKS FTW AND HPC FOR THE CHATS...MUCHAS GRACIAS TO FSL FOR A VERY HELPFUL WEBSITE. DRYING TREND FOLLOWS WITH MILD DAYS MONDAY AFTERNOON THROUGH THURSDAY. UNSETTLED WEATHER RETURNS LATER ON THURSDAY WITH DEEPENING ONSHORE FLOW AND DEVELOPING TROUGH OVER THE ROCKIES AND TRAILING LOW DOWN INTO BAJA (PER ECMWF). SHOULD GET A SHOT AT PRECIP LATE THURSDAY AND FRIDAY. PATTERN MAY END UP SIMILAR TO PRESENT ONE WITH DIFFUSE FRONTAL BOUNDARY IN THE VCNTY AND PERTURBED SW FLOW ALOFT...MAYBE ANOTHER WET WEEKEND. FFA UP AND WILL INCREASE POPS SOUTH FOR TODAY AND NUDGE UP POPS TONIGHT TO ACCOUNT FOR SLOWER FROPA...EXTENDING THE THE FLOOD WATCH UNTIL 6 PM. WOULD NOT BE SURPRISED TO SEE RAINFALL AMOUNTS OF 2-3 INCHES TODAY. 45/37 .HGX WATCHES/WARNINGS/ADVISORIES... FLOOD WATCH FOR ALL OF SOUTHEAST TEXAS THROUGH 6 PM SUNDAY. SCEC FOR 20-60NM WATERS THROUGH NOON. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 658 AM CDT SUN APR 25 2004 TXZ163-164-176>179-195>200-210>214-226-227-235>238-260500- AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND- GALVESTON-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-MADISON- MATAGORDA-MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER- WASHINGTON-WHARTON- 658 AM CDT SUN APR 25 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST TEXAS. .DAY ONE...TODAY. ...FLOOD WATCH IN EFFECT THROUGH 6 PM... SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY AS A CLUSTER OF SLOW MOVING STORMS WITH VERY HEAVY RAINFALL RATES MOVES IN FROM THE SOUTHEAST WITH VERY HEAVY RAINFALL RATES ACROSS AREAS MAINLY SOUTH OF THE INTERSTATE 10 CORRIDOR. A PERSISTENT BAND OF SHOWERS AND THUNDERSTORMS OVER NORTH-CENTRAL TEXAS WILL GRADUALLY MOVE SOUTH LATER TODAY BRINGING MORE RAINFALL TO THE NORTHERN AND CENTRAL PORTIONS OF THE AREA. WIDESPREAD RAINFALL OF 1/2 TO 1 INCH WITH SOME AREAS RECEIVING 2 TO 4 INCHES ARE POSSIBLE. STRONG THUNDERSTORMS WITH VERY HEAVY RAINFALL... INTENSE AND FREQUENT LIGHTNING AND POSSIBLY SMALL HAIL WILL BE POSSIBLE. SEE FLOOD WATCH FOR MORE DETAIL. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. RAINS WILL BE ENDING EARLY MONDAY. HIGH PRESSURE TO BUILD INTO THE AREA DRYING OUT THE REGION AND BRINGING MILD WEATHER THROUGH THURSDAY MORNING. WIDESPREAD RAINFALL MAY BE ON TAP FRIDAY AND THROUGH THE WEEKEND AS A FRONT SAGS SOUTH INTO THE AREA AND AN UPPER LEVEL TROUGH OF LOW PRESSURE BECOMES ANCHORED OVER NORTHERN MEXICO. HAZARDOUS WEATHER IS NOT EXPECTED FOR THE PERIOD MONDAY THROUGH SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TODAY.
The Houston radar (KHGX), 125 km away, was scanning. The volume nearest the first event began at 16:24 UTC.
2 flash flood. Local standard time, as filed.
Numerous FM roads and I-10 flooded in and around Sealy.
Flooding in the Pecan Hill subdivision. 15 to 20 homes flooded. Two feet of water in the worst flooded homes.
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: 5392784, 5392785.