Thunderstorms associated with a persistent upper level low produced heavy rain and flash flooding on the morning of July 5.
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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.
Thunderstorms associated with a persistent upper level low produced heavy rain and flash flooding on the morning of July 5.
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 Jul 5, 5:46 AM CST, 44 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 646 AM CDT THU JUL 5 2007 .AVIATION... UPPER LOW CIRCULATION SHOULD HOLD MOST CONVECTION TO THE EAST THE I-35 CORRIDOR TERMINALS TODAY, BUT DAYTIME CONVECTION SHOULD PEAK IN THE AFTERNOON. DEEP MOIST LAYER MEANS CIGS WILL BE ERRATIC AGAIN WITH MVFR VALUES OF 1200-2800 COMMON WHERE MID-LEVEL CLOUDS ARE NOT DOMINANT. WILL KEEP THE FORECAST VAGUE IN LATER PERIODS. THUNDERSTORM INTENSITIES COULD LOWER VSBYS TO BELOW 1 MILE AT TIMES, BUT THIS SHOULD BE MORE RARE ALONG AND WEST OF THE ESCARPMENT. DOWNDRAFTS SHOULD BE MOSTLY BELOW 20KTS. && .PREV DISCUSSION... /ISSUED 409 AM CDT THU JUL 5 2007/ DISCUSSION... WITH THE UPPER LOW CENTERED OVER EAST CENTRAL TX THIS MORNING THE THREAT OF HEAVIEST RAINS HAS TEMPORARILY SHIFTED A FURTHER EAST OVER THE THE EASTERN CWA/EAST TX WHERE LOW LEVEL INFLOW OFF THE GULF WILL SUPPORT PERSISTENT TRAINING CELLS. HOWEVER DAYTIME HEATING ALONG WITH VORT SPOKES ON THE BACK SIDE OF THE UPPER LOW WILL PRODUCE SCT CONVECTION OVER MUCH OF THE WESTERN CWA AS WELL. GFS SLOWLY MOVES THE LOW CENTER NEWD INTO NE TX TODAY...WITH AN TROF OR SHEAR AXIS HANGING BACK SWWD INTO THE AREA. HOWEVER THE NAM DOES NOT APPEAR AS WELL INITIALIZED AND REMAINS PERSISTENT IN KEEPING THE LOW PRETTY MUCH OVER S CENTRAL TX FOR THE NEXT 60 HOURS. WILL LEAVE THE CURRENT FLASH FLOOD WATCH AS IS THRU 6 PM TODAY AS FLASH FLOOD GUIDANCE REMAINS LOW DUE TO SATURATED SOILS ACROSS S TX. BECAUSE OF THE UNCERTAINTY WILL NOT EXTEND THE WATCH INTO TONIGHT AND LET DAYSHIFT RE-EVALUATE BASED ON 12Z MODEL RUNS. BY FRIDAY NIGHT AND SATURDAY MORNING THE GFS PINCHES OF A LOW ALONG THE RIO GRANDE ALONG WITH SOME QPF BOMBS OVER THE WESTERN CWA OVER THE WEEKEND. WILL KEEP CHANCE-GOOD CHANCE POPS IN FOR FRIDAY NIGHT INTO SATURDAY AS ALTHOUGH NAM/GFS SOLUTIONS DIFFERENT BOTH ARE WET. A DRIER MID LEVEL WESTERLY FLOW EVOLVES LATER IN THE WEEKEND INTO EARLY NEXT WEEK DUE TO AN UPPER LOW OVER OK WITH STRONGER SLY LOW LEVEL WINDS WHICH WOULD SUPPORT MUCH LOWER POPS...CONTINUING INTO THE MID WEEK AS UPPER RIDGING BEGINS TO DOMINATE WITH A POSSIBLE RETURN TO MORE SEASONAL TEMPERATURES AND POPS. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 84 71 88 72 91 / 70 50 70 40 30 AUSTIN BERGSTROM INTL AIRPORT 84 70 88 70 90 / 70 50 70 40 30 DEL RIO INTL AIRPORT 92 73 92 73 91 / 30 50 40 40 30 SAN ANTONIO INTL AIRPORT 84 72 89 73 89 / 60 50 50 50 30 && .EWX WATCHES/WARNINGS/ADVISORIES... FLASH FLOOD WATCH THROUGH THIS AFTERNOON FOR THE FOLLOWING ZONES: ATASCOSA...BANDERA...BASTROP...BEXAR...BLANCO...BURNET...CALDWELL... COMAL...DE WITT...DIMMIT...EDWARDS...FAYETTE...FRIO...GILLESPIE... GONZALES...GUADALUPE...HAYS...KARNES...KENDALL...KERR...KINNEY... LAVACA...LEE...LLANO...MAVERICK...MEDINA...REAL...TRAVIS...UVALDE... VAL VERDE...WILLIAMSON...WILSON...ZAVALA. && 01/18
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 524 AM CDT THU JUL 5 2007 TXZ171>173-183>194-202>209-217>225-228-061100- 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- 524 AM CDT THU JUL 5 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT... A FLASH FLOOD WATCH REMAINS IN EFFECT. AN UPPER LEVEL LOW PRESSURE SYSTEM OVER SOUTHERN AND CENTRAL TEXAS WILL INTERACT WITH A VERY MOIST AND UNSTABLE AIRMASS...SUPPORTING NUMEROUS SHOWERS AND THUNDERSTORMS TODAY THROUGH TONIGHT. LOCALLY HEAVY RAINFALL TOTALS OF 3 TO 6 INCHES ARE POSSIBLE...WITH HIGHER TOTALS EXPECTED TO FOCUS ALONG AND EAST OF LLANO TO COTULLA LINE. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... UPPER LEVEL LOW PRESSURE WILL PERSIST ACROSS CENTRAL AND SOUTHERN TEXAS THROUGH EARLY SATURDAY...SUPPORTING MORE HEAVY RAINS AND THE POTENTIAL FOR FLASH FLOODING. A SHIFT TOWARD DRIER WEATHER IS EXPECTED BY SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TODAY OR TONIGHT.
The Austin/San Antonio radar (KEWX), 77 km away, was scanning. The volume nearest the first event began at 12:29 UTC.
6 flash flood. Local standard time, as filed.
Thunderstorms over Gonzales, Lavaca and DeWitt Counties produced general 3 to 4 inch totals. Flash flooding closed SH111 in both Gonzales and Lavaca Counties, along with many other rural roads.
Thunderstorms over Gonzales, Lavaca and DeWitt Counties produced general 3 to 4 inch totals, with up to 5 inches southwest of Speaks. Flash flooding closed SH111 in both Gonzales and Lavaca Counties, along with many other rural roads.
Heavy rain over Caldwell and Bastrop Counties averaged between 2 and 3 inches in the early morning hours. Flash flooding in Caldwell County closed FM86, FM713 and SH304.
Heavy rain over Caldwell and Bastrop Counties averaged between 2 and 3 inches in the early morning hours, with up to 7 inches between Elgin and Bastrop. SH95, FM1704, and FM2336 were closed.
Thunderstorms produced from 3 to 4 inches of rain over eastern Williamson County closing FM486, FM1063, and FM112 due to flash flooding.
Thunderstorms over Gonzales, Lavaca and DeWitt Counties produced general 3 to 4 inch totals, with up to 5 inches along the Goliad County line. Flash flooding closed SH119 and US183.
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, July 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: 49356, 49357, 49358, 49359, 49360, 49361.