Slow-moving thunderstorms built over northern Williamson and northern Bastrop Counties, producing rain totals of up to 4 inches.
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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 EWX wrote it up.
Slow-moving thunderstorms built over northern Williamson and northern Bastrop Counties, producing rain totals of up to 4 inches.
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 Aug 2, 11:26 AM CST, 3 hours 34 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1226 PM CDT THU AUG 2 2007 .AVIATION... VFR CONDITIONS WILL PREVAIL THIS AFTERNOON AND EVENING. INTERMITTENT MVFR CIGS/VSBYS ARE EXPECTED AS AN MCS OVER WEST TEXAS IGNITES ISOLATED TO SCATTERED SHRA/TSRA ACROSS SOUTH CENTRAL TEXAS THIS AFTERNOON AND EVENING. CONVECTION WILL WEAKEN AND BECOME ISOLATED LATE THIS EVENING WITH THE LOSS OF DAYTIME HEATING. WEAK RETURN FLOW WILL ALLOW THE DEVELOPMENT OF PATCHY STRATUS AND GROUND FOG AFTER 08Z. SFC WINDS TODAY WILL BE SOUTHERLY AT 5 TO 10 KTS WITH CONVECTIVE GUSTS OF 30 KTS POSSIBLE THIS AFTERNOON AND EVENING. && .PREV DISCUSSION... /ISSUED 1142 AM CDT THU AUG 2 2007/ DISCUSSION... WEAK 500 TO 200 HPA TROF HAS COME OVER THE AREA FROM THE NORTH AND NORTHEAST AGAIN TODAY AND THIS TREND IS EXPECTED TO CONTINUE FRIDAY. WEAK TROF IS NOT A DEVELOPED AS THE WEATHER SYSTEMS WERE IN JUNE AND JULY...HOWEVER...ENOUGH INSTABILITY IS EXPECTED TO FORM OVER THE AREA THRU FRIDAY TO SUPPORT A CHANCE OF DAYTIME TO EVENING SHOWERS OR THUNDERSTORMS. THE WEAK TROF IS FORECAST TO MOVE WEST AS THE HIGH OVER THE WESTERN U.S. DEVELOPS OVER N. TX AND OK FRIDAY AND SATURDAY. AS THE WEAK 500 TO 200 HPA TROF CONTINUES WEST AWAY FROM THE AREA FRIDAY NIGHT AND SATURDAY EXPECT INCREASE IN WEAK HEIGHT FIELD ALOFT AS SUBTROPICAL HIGH INCREASES OVER THE AREA THIS WEEKEND. THE RIDGE IS EXPECTED TO CONTINUE MONDAY THRU WEDNESDAY. FROM THURSDAY OF NEXT WEEK THRU THE WEEKEND OF THE 11TH AND 12TH... FORECASTS SHOW RIDGE ALOFT SLOWLY WEAKENING. PREV DISCUSSION... /ISSUED 407 AM CDT THU AUG 2 2007/ DISCUSSION... THE CONVECTIVE CLUSTER OVER WEST TEXAS WILL CONTINUE A SLOW SSE DRIFT AND GRAZE OUR NW COUNTIES LATER THIS MORNING BASED ON AN EXTRAPOLATION OF THE CURRENT MOVEMENT/DEVELOPMENT. THE UPPER HIGH OVER SOUTH CENTRAL TEXAS YESTERDAY IS NOW MOVING WEST INTO NE MEXICO AND GIVING-WAY TO A NNE FLOW ALOFT...WHICH FAVORS CHANCES FOR SHOWERS AND THUNDERSTORMS ACROSS OUR AREA GIVEN PWATS STILL ABOVE NORMAL. AN EASTERLY FLOW WILL DEVELOP BY LATE FRIDAY AS THE UPPER HIGH OVER THE ROCKIES TRANSITIONS EAST TO THE CLIMATOLOGICAL NORMAL POSITION OVER SOUTHERN OKLAHOMA AND NORTHERN TEXAS. BOTH THE 00Z NAM12 AND GFS40 ADVERTISE CHANCES FOR PRECIP...MAINLY ACROSS OUR EASTERN HALF...ON SATURDAY ASSOCIATED WITH A BATCH OF TROPICAL MOISTURE COMING IN FROM THE GULF. THE 06Z NAM12 IS AT IT AGAIN TONIGHT...DEVELOPING A TD OVER THE NORTHERN GULF IN THE NEXT 24H...THEN BRINGING IT INLAND ALONG THE UPPER COASTAL BEND LATE FRIDAY NIGHT. THIS SCENARIO IS POSSIBLE GIVEN GOOD DIFFLUENCE ALOFT NOTED WITH THE 00Z UPPER AIR ANALYSIS AND OBSERVED ON LATEST WV SATELLITE IMAGERY. A SURFACE TROUGH WAS ANALYZED AT 06Z ACROSS THE NORTHERN GULF...WITH THE LOWEST SURFACE PRESSURE OBSERVED AT 1010MB...WHICH COULD PROVIDE THE LOW LEVEL FOCUS FOR CONVECTION AND EVENTUALLY TROPICAL CYCLOGENESIS. PEOPLE PLANNING TO TRAVEL TO THE COAST THIS WEEKEND SHOULD CHECK THE WEATHER FORECAST FOR UPDATES WITH THE POTENTIAL FOR SLOW TROPICAL DEVELOPMENT IN THE NORTHERN GULF. OUR NUMBERS ARE VERY CLOSE TO 00Z GFSMOS...SHOWING A TREND TOWARD CLIMO TEMPS AND POPS WITH THE UPPER HIGH IN CONTROL ACROSS OUR AREA FROM SUNDAY THROUGH THE MIDDLE OF NEXT WEEK. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 92 75 92 74 93 / 40 30 40 30 20 AUSTIN BERGSTROM INTL AIRPORT 91 72 92 73 93 / 40 30 40 30 20 DEL RIO INTL AIRPORT 91 76 94 76 94 / 50 40 30 30 10 SAN ANTONIO INTL AIRPORT 91 75 91 75 92 / 30 30 40 30 20 && .EWX WATCHES/WARNINGS/ADVISORIES... NONE. && 08/25
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 513 AM CDT THU AUG 2 2007 TXZ171>173-183>194-202>209-217>225-228-031100- LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA- GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE- MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA- FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT- 513 AM CDT THU AUG 2 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
The national radar mosaic for the moment the first event began.
2 flash flood. Local standard time, as filed.
Thunderstorms produced general 2 to 3 inch rainfall totals over the northern third of Williamson County, with up to 4 inches near Jarrell. Flash flooding closed several roads including FM787 and FM972.
Thunderstorms produced general 2 to 3inch rainfall totals over the northern half of Bastrop County, with the highest amounts near 4 inches in the area around Paige. FM21074 and SH21 were closed through part of the afternoon due to flash flooding.
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: 51432, 51433.