1 heat, 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 Houston/Galveston, TX wrote its last area forecast discussion before the first event at Aug 25, 9:15 AM CST, 1 hour 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1015 AM CDT WED AUG 25 2004 .DISCUSSION... 12Z ANALYSIS SHOWS 850 MB TEMPS WARMING. 850 DEW POINTS HAVE DROPPED AND BEST 700 MB MOISTURE IS NORTH OF THE AREA. STREAMER SHOWERS CONTINUE TO DEVELOP OVER EXTREME EAST AND SOUTHEAST TEXAS WHERE BEST MOISTURE RESIDES. 13Z RUC SHOWS PRECIP EXPANDING OVER THE AREA BY 18Z BUT AREA SOUNDINGS DONT SUPPORT THIS SCENARIO. HAVE TWEAKED DEW POINT AND TEMP GRIDS TO REFLECT CURRENT CONDITIONS OTHERWISE NO CHANGES FOR THIS AFTERNOON. ONE NOTE OF CONCERN...HEAT INDICES HAVE BEGUN TO APPROACH CAUTION/DANGEROUS THRESHOLDS. WILL TAKE A CLOSE LOOK AT THIS FOR THE AFTERNOON UPDATE AND AM CONSIDERING A HEAT ADVISORY. LOCAL THRESHOLD FOR A HEAT ADVISORY REQUIRES 2 DAYS OF HEAT INDICES AOA 108 DEGREES. 43/34 && AS PER THE ONGOING TRENDS...WILL BE LOWERING POPS JUST A TAD TODAY AND PRETTY MUCH DROPPING THEM FOR THURS/FRI. DEEP RIDGING FROM THE EAST TO BE THE PRIMARY WX FEATURE THE NEXT FEW DAYS. SLIGHTLY HIGH- ER THAN NORMAL MAX TEMPS ALONG WITH HIGH HUMIDITIES/LIGHT-MODERATE SELY WINDS COULD MAKE FOR HEAT INDICES IN THE 104-109F RANGE THESE NEXT FEW DAYS. WILL KEEP A CLOSE EYE ON THIS. SOME REPRIEVE TO THE HEAT PROGGED THIS WEEKEND AS THE WEAKNESS IN THE UPPER RIDGE EDGES EAST OVER OUR AREA AND A COOL FRONT APPROACHES FROM THE N/NW. INCR- EASING CLOUDS/POPS (IN RELATION TO THESE SYSTEMS) EXPECTED TO HELP LOWER TEMPS. WILL UP GRIDS TO CHC POPS FOR THIS PERIOD. LONG RANGE MODELS GET A BIT INTERESTING NEXT WEEK. A FAIRLY DEEP/STRONG UPPER TROF FORECAST TO DEVELOP OVER THE CALI BAJA AROUND THE END OF NEXT WEEK WITH SOME HINTS THAT THIS SYSTEM WILL TRACK OVER SE TX BY THE NEXT WEEKEND. WILL BE KEEN TO SEE IF THIS PARTICULAR SCENARIO DOES PAN OUT. 41 && .AVIATION... SAT PIX SHOW MVFR CLOUD DECK BEGINNING TO DEVELOP ACROSS NRN PORTIONS OF SE TX AGAIN THIS MORNING. COULD SEE SOME TEMPORARY MVFR CEILINGS FURTHER SOUTH ONCE THE SUN COMES UP AND HEATING BEGINS. THIS SHOULD BURN OFF BY 15-16Z THOUGH WITH VFR CONDITIONS PREVAILING FOR THE REST OF THE DAY. MID LEVEL RIDGE SITUATED OVERHEAD SHOULD KEEP TSTM ACTIVITY AT A MINIMUM IF AT ALL. -47- && .MARINE... TYPICAL ONSHORE FLOW AND ISOLATED LATE NIGHT/EARLY MORNING SHOWERS WILL PERSIST INTO THE WEEKEND. -47- && .HGX WATCHES/WARNINGS/ADVISORIES...NONE. && .PRELIMINARY POINT TEMPS/POPS... COLLEGE STATION (CLL) 97 76 98 76 98/ 10 10 10 10 10 HOUSTON (IAH) 96 77 97 77 97/ 20 10 10 10 10 GALVESTON (GLS) 92 81 93 81 93/ 20 10 10 10 10 &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 709 AM CDT WED AUG 25 2004 TXZ163-164-176>179-195>200-210>214-226-227-235>238-261200- 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- 709 AM CDT WED AUG 25 2004 .DAY ONE...TODAY AND TONIGHT... ISOLATED SHOWERS AND THUNDERSTORMS ARE POSSIBLE LATER THIS AFTERNOON AS AFTERNOON HEATING HELPS TO INITIATE ACTIVITY IN THE VERY MOIST AND UNSTABLE AIRMASS OVER SOUTHEAST TEXAS. HAZARDOUS WEATHER IS NOT EXPECTED THIS AFTERNOON OR EVENING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. HAZARDOUS WEATHER IS NOT EXPECTED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED.
The national radar mosaic for the moment the first event began.
1 heat. Local standard time, as filed.
64 year old female fatality due to hyperthermia at home in northwest Houston (electricity shut off).
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Heat, Harris | 2004-08-25 | 64 | Female | Permanent Home | Direct |
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, August 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: 5418603.