4 funnel cloud, as filed by the National Weather Service.
Every event with a place to put it; 4 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 Sep 4, 8:30 AM CST, 1 hour 37 minutes earlier.
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 930 AM CDT TUE SEP 4 2001 WHILE THE RADAR REMAINS RELATIVELY QUIET AT THIS TIME (ONLY ISOLATED SHOWERS IN OUR CWA)...CONDITIONS APPEAR FAVORABLE FOR SHOWERS AND THUNDERSTORMS TO DEVELOP THIS AFTERNOON. DAYTIME HEATING...ANY LEFTOVER BOUNDARIES FROM LAST NIGHTS STORMS...AND A DIFFLUENT UPPER LEVEL FLOW ALL POINT TO PORTIONS OF OUR AREA GETTING SOME SOAKING RAINS TODAY. THIS ACTIVITY HAS A SHOT OF LASTING ON INTO THE EVENING HOURS TOO. WITH HIGH PRECIP WATER VALUES...A SLOW STORM MOTION...AND THE CHANCE FOR TRAINING...WILL KEEP THE FLASH FLOOD WATCH UP FOR ALL OF SOUTHEAST TEXAS THROUGH THIS AFTERNOON. ALL OF SOUTHEAST TEXAS REMAINS IN HPCS EXCESSIVE RAINFALL OUTLOOK...AND WE COULD EASILY HAVE SOME ISOLATED SPOTS GETTING CLOSE TO OR MORE THAN 5 INCHES OF RAIN THROUGH WEDNESDAY MORNING. EXPECT MOST RAINFALL TOTALS THROUGH THIS EVENING TO AVERAGE AROUND 1 INCH. RIVER FLOOD STATEMENTS AND RIVER STATEMENTS CONTINUE TO BE ISSUED BY OUR OFFICE. THE SITUATION STILL HAS THE POTENTIAL TO BECOME MUCH WORSE IF THE HEAVIEST RAINS FALL ALONG ALREADY SWOLLEN OR FLOODED RIVERS AND CREEKS 42/35/DH .HGX...FLASH FLOOD WATCH FOR ALL OF SOUTHEAST TEXAS. UPDATED PRELIMS... CLL TT 087/073 088/073 090 766 IAH TW 088/073 090/073 090 755 GLS TE 088/079 088/079 088 744
The Houston radar (KHGX), 48 km away, was scanning. The volume nearest the first event began at 16:08 UTC.
4 funnel cloud. Local standard time, as filed.
Sheriff's office reported a waterspout moved over land as a funnel near Chocolate Bayou and dissipated near Liverpool.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2001Every state in 2001This day in weather historyWarnings in Texas, September 2001
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: 5267731, 5267732, 5267733, 5267734.