A band of showers and thunderstorms developed during the morning hours of August 1st across portions of east central Texas. Light steering winds resulted in very slow movement to these storms.
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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 episode as NWS SHV wrote it up.
A band of showers and thunderstorms developed during the morning hours of August 1st across portions of east central Texas. Light steering winds resulted in very slow movement to these storms. As a result... flash flooding was reported across Nacogdoches County, Texas.
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 Shreveport, LA wrote its last area forecast discussion before the first event at Aug 1, 2:50 AM CST, 7 hours 3 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 350 AM CDT WED AUG 1 2007 .SHORT TERM /TODAY THROUGH SATURDAY NIGHT/... WE WILL BEGIN THIS MORNING WITH A DISCUSSION OF FEATURES WE HAVE DISCUSSED THE PREVIOUS COUPLE OF MORNINGS. BY THE END OF THIS DISCUSSION THOUGH...WE MAY BE TALKING ABOUT THE OFFICIAL...ALBEIT LATE...START OF SUMMER ACROSS THIS PART OF THE COUNTRY. TRUE...WE HAVE BEEN IN SUMMER FOR OVER A MONTH IF YOU LOOK AT A CALENDAR. WEATHER-WISE THOUGH...IT HAS BEEN QUITE A DIFFERENT STORY. THERE STILL APPEARS TO BE A VERY WEAK STATIONARY FRONT...ALMOST NOT WORTHY OF MENTION...NEAR IH-20. BROAD RIDGING REMAINS IN PLACE ACROSS MUCH OF MID-AMERICA UPSTAIRS...WITH A LINGERING TROUGH AXIS FROM THE EASTERN SEABOARD INTO THE NORTHERN GULF. I EXPECT THE SURFACE BOUNDARY WILL FIZZLE OVER THE NEXT DAY OR SO AS UPPER-LEVEL RIDGING SLOWLY BUILDS ACROSS OUR REGION. EVEN WITHOUT THIS FEATURE...AN UPPER-LEVEL SHEAR AXIS REMAINS IN PLACE VERY CLOSE TO OUR AREA. AS SUCH...WEATHER CONDITIONS TODAY /AND POSSIBLY THROUGH SATURDAY/ SHOULD BE VERY SIMILAR TO WHAT WE HAVE SEEN THE PAST COUPLE OF DAYS. AREAL COVERAGE SHOULD BE LESS THOUGH...AS AN EVER-SO-SLIGHTLY DRIER AIRMASS SHOULD OOZE ITS WAY INTO THE FORECAST AREA FROM THE NORTH AND EAST. .LONG TERM /SUNDAY THROUGH TUESDAY/... BY THE TIME SUNDAY ROLLS AROUND...THE UPPER-LEVEL RIDGE AXIS SHOULD EXTEND NORTHWEST TO SOUTHEAST ACROSS OUR AREA. THE INCREASED SUBSIDENCE ALOFT SHOULD RESULT IN A GREATER SUPRESSION OF CONVECTIVE ACTIVITY OVER THE FORECAST AREA. THANKS TO COMPRESSIONAL HEATING... AFTERNOON HIGHS SHOULD RESPOND ACCORDINGLY AS READINGS TOP OUT IN THE MIDDLE AND UPPER 90S. ONCE THIS OCCURS...AVAILABLE DATA SUGGEST THAT NO SIGNIFICANT CHANGE WILL OCCUR THROUGH NEXT TUESDAY. WITH A LOW-LEVEL FLOW THATS FORECAST TO REMAIN OUT OF THE SOUTH...I CANNOT RULE OUT SOME SHOWER/THUNDERSTORM ACTIVITY DURING THE AFTERNOON. ANY CONVECTION...THOUGH...SHOULD BE RATHER ISOLATED IN NATURE. /21/ && .AVIATION... MOSTLY VFR CIGS ARE EXPECTED THIS MORNING...ALTHOUGH 13-15KFT AC DECK WILL BE FAIRLY WIDESPREAD ACROSS E TX/W LA THROUGH AT LEAST MIDDAY. MVFR VSBYS EXPECTED ELSEWHERE THROUGH MIDMORNING BEFORE LIFTING...PARTICULARLY ELD/MLU. AM EXPECTING SCATTERED SHOWER AND EMBEDDED THUNDERSTORM DEVELOPMENT TO OCCUR AS EARLY AS 12Z /IF NOT BEFORE/ NEAR THE OLD/ILL-DEFINED STATIONARY FRONTAL BOUNDARY WHICH COULD BE INTERPRETED TO BE SOMEWHERE FROM EXTREME N TX...INTO NE TX/CNTRL LA. THUS...LOWER VFR CIGS WOULD BE EXPECTED...WITH MVFR CONDITIONS EXPECTED IN/NEAR CONVECTION...AS WELL AS GUSTY WINDS TO 25 KTS. THUS...THE TYR/GGG/LFK TERMINALS HAVE THE GREATEST THREAT IN SEEING CONVECTION TODAY...ALTHOUGH CAN/T RULE OUT SHV AS WELL. ISOLATED CONVECTION POSSIBLE FARTHER E...BUT SLIGHTLY DRIER ADVECTING SW INTO SCNTRL AR/NE LA FROM MID MS VALLEY RIDGE WILL LIMIT COVERAGE. CONVECTION SHOULD DIMINISH BETWEEN 1-4Z...WITH VFR CONDITIONS EXPECTED OVERNIGHT BENEATH RESIDUAL CONVECTIVE DEBRIS. CAN/T RULE OUT ADDITIONAL 5-7KFT CU FIELD REDEVELOPING BY 6Z OVER SCNTRL AR/N LA...SPREADING W INTO E TX BY 12Z. WILL ALSO MAINTAIN MVFR VSBYS /3-5SM/ FOR MLU/ELD AFTER 6Z THURSDAY IN THE UPCOMING TAF ISSUANCE. /15/ && .PRELIMINARY POINT TEMPS/POPS... SHV 90 73 93 73 / 40 20 30 20 MLU 92 72 94 72 / 20 20 20 20 DEQ 92 71 93 71 / 30 20 20 20 TXK 90 73 94 73 / 30 20 20 20 ELD 92 71 94 71 / 20 20 20 20 TYR 90 74 91 73 / 50 30 40 20 GGG 90 73 92 72 / 50 30 30 20 LFK 91 73 90 72 / 50 30 40 20 && .SHV WATCHES/WARNINGS/ADVISORIES... AR...NONE. LA...NONE. OK...NONE. TX...NONE. && PUBLIC FORECASTER...BUTTS AVIATION/FIRE WEATHER FORECASTER...15
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SHREVEPORT LA 550 AM CDT WED AUG 1 2007 ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096- 097-108>112-124>126-136>138-149>153-165>167-011700- ANGELINA-BIENVILLE-BOSSIER-BOWIE-CADDO-CALDWELL-CAMP-CASS-CHEROKEE- CLAIBORNE-COLUMBIA-DE SOTO-FRANKLIN-GRANT-GREGG-HARRISON-HEMPSTEAD- HOWARD-JACKSON-LA SALLE-LAFAYETTE-LINCOLN-LITTLE RIVER-MARION- MCCURTAIN-MILLER-MORRIS-NACOGDOCHES-NATCHITOCHES-NEVADA-OUACHITA- PANOLA-RED RIVER LA-RED RIVER TX-RUSK-SABINE LA-SABINE TX- SAN AUGUSTINE-SEVIER-SHELBY-SMITH-TITUS-UNION AR-UNION LA-UPSHUR- WEBSTER-WINN-WOOD- 550 AM CDT WED AUG 1 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OKLAHOMA...NORTHEAST TEXAS...SOUTHWEST ARKANSAS...NORTHWEST AND NORTH CENTRAL LOUISIANA. .DAY ONE...TODAY AND TONIGHT... SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS MUCH OF THE FOUR STATE REGION BY THIS AFTERNOON. THE GREATEST COVERAGE WILL LIKELY BE SOUTHWEST OF A TYLER TEXAS TO COLFAX LOUISIANA LINE. WHILE SEVERE STORMS ARE NOT EXPECTED...WIND GUSTS UP TO 30 MILES AN HOUR AND LOCALLY HEAVY RAINFALL MAY ACCOMPANY ANY THUNDERSTORMS. THE STORMS ARE EXPECTED TO GRADUALLY DIMINISH AFTER SUNSET. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW. ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE THROUGH SATURDAY. THE COVERAGE SHOULD BE THE GREATEST DURING THE AFTERNOON AND EVENING HOURS. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL IS NOT EXPECTED THROUGH TONIGHT. BUTTS
The Shreveport radar (KSHV), 122 km away, was scanning. The volume nearest the first event began at 15:53 UTC.
1 flash flood. Local standard time, as filed.
Flash flooding was reported across the northern part of the county. High water was reported across county roads 940...915 and 204 near Trawick.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2007Every state in 2007This day in weather historyWarnings in Texas, August 2007
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: 56120.