Thunderstorms associated with a persistent upper level low produced heavy rain and flash flooding in the afternoon and evening of July 23.
Every event with a place to put it. 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 episode as NWS EWX wrote it up.
Thunderstorms associated with a persistent upper level low produced heavy rain and flash flooding in the afternoon and evening of July 23.
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 23, 10:30 AM CST, 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1130 AM CDT MON JUL 23 2007 .UPDATE... WEAK SURFACE BOUNDARY DRIFTING WEST FROM EASTERN TEXAS WITH DEWPOINTS IN 70S ACROSS CENTRAL AND SOUTHERN TEXAS WHILE IN THE 60S ACROSS EASTERN INTO SOUTHEASTERN TEXAS. CLOUDS STARTING TO SHOW SOME DEVELOPMENT AS CAP IS WEAKENING WITH APPROACH OF UPPER JET STREAK. PWS REMAIN IN THE 1.7 TO 2 INCH RANGE. WILL MAINTAIN SLIGHT CHANCE POPS AS EXPECT ACTIVITY TO BE WIDELY SCATTERED. SIMILAR TO YESTERDAY AND EARLY THIS MORNING, THERE COULD BE SOME LOCALLY HEAVY DOWNPOURS. HAVE ADDED SLIGHT CHANCE POPS TO HILL COUNTRY FOR TONIGHT DUE TO APPROACH OF THAT UPPER JET STREAK. MODELS SHOW DRIER AIR TO THE EAST NOT MAKING MUCH PROGRESS INTO CENTRAL TEXAS AND HAVE COME BACK TO A CONSENSUS IN A QUICKER RETURN TO HIGHER RAIN CHANCES AND THREAT OF HEAVIER RAINS CAUSING ADDITIONAL FLOODING BY WEDNESDAY AND CONTINUING THROUGH THIS WEEKEND. WILL BE ADDRESSING THESE ISSUES AND LIKELY RAISING POPS IN LATER FORECASTS. OTHERWISE, ONGOING FORECASTS ON TRACK AT LEAST IN THE SHORT-TERM. && .PREV DISCUSSION... /ISSUED 629 AM CDT MON JUL 23 2007/ AVIATION... ALL TAFS ARE VFR FOR THE NEXT 24 HOURS. HOWEVER...THERE IS STILL A CHANCE FOR SOME FOG TO FORM AT AUS AND HYI IN THE NEXT COUPLE OF HOURS WITH DEW POINT DEPRESSION ONLY ONE DEGREE. AT THIS POINT DONT EXPECT THIS TO HAPPEN...BUT WOULDNT BE SHOCKED IF IT DOES. PREV DISCUSSION... /ISSUED 547 AM CDT MON JUL 23 2007/ DISCUSSION... ADJUSTED FORECASTS PER 06Z SOLUTIONS AND ENSEMBLE FORECASTS. WEAK 700 TO 300 HPA TROF IS FORECAST TO STAY MAINLY OVER THE EAST PART OF SOUTH CENTRAL TEXAS THROUGH TUESDAY...AND IS THEN FORECAST TO DRIFT WEST WEDNESDAY AND THURSDAY. SHOWED SLIGHT CHANCE OF SHOWERS OR THUNDERSTORMS TODAY AND TUESDAY...THEN INCREASED RAIN CHANCES ON WEDNESDAY AS WEAKNESS IN HEIGHT FIELD ALOFT INCREASES OVER THE AREA AGAIN. LIGHT WINDS ALOFT WILL NOT CARRY THIS PATTERN AWAY QUICKLY...AS WEAK 700 TO 300 HPA TROF LINGERS OVER THE AREA THURSDAY THROUGH SATURDAY. SHOWED CHANCE OF SHOWERS OR THUNDERSTORMS FOR THURSDAY AND FRIDAY. THIS WEAK TROF IS FORECAST TO DRIFT TO THE WEST AND SOUTHWEST OF THE AREA SATURDAY OR SUNDAY. SHOWED CONTINUED CHANCE OF SHOWERS AND THUNDERSTORMS SATURDAY... THEN DECREASED POPS SLIGHTLY SUNDAY AS WEAK 700 TO 300 HPA TROF MOVES TO THE WEST. FORECASTS FOR THE EARLY TO MID PART OF NEXT WEEK SHOW HIGH OVER CENTRAL U.S. TRYING TO SLOWLY BUILD OVER THE AREA FROM THE NORTHWEST. THIS INDICATES A SLOW TREND TOWARD DRIER AND WARMER DAYS FOR NEXT WEEK. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 92 72 92 72 90 / 20 10 20 10 30 AUSTIN BERGSTROM INTL AIRPORT 92 69 92 69 90 / 20 10 20 10 30 DEL RIO INTL AIRPORT 92 73 93 74 91 / 10 10 20 20 20 SAN ANTONIO INTL AIRPORT 91 73 91 72 89 / 20 10 20 20 40 && .EWX WATCHES/WARNINGS/ADVISORIES... NONE. && 04/02
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 901 AM CDT MON JUL 23 2007 TXZ171>173-183>194-202>209-217>225-228-241000- 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- 901 AM CDT MON JUL 23 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT... ISOLATED TO WIDELY SCATTERED SHOWERS AND THUNDERSTORMS CAN BE EXPECTED. LOCALLY HEAVY DOWNPOURS ARE THE MAIN THREAT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... ANOTHER UPPER LEVEL LOW PRESSURE AREA WILL CREATE SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS MAINLY WEDNESDAY THROUGH THE WEEKEND. LOCALLY HEAVY RAINS AND FLOODING WILL BE THE MAIN THREATS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.
The Austin/San Antonio radar (KEWX), 99 km away, was scanning. The volume nearest the first event began at 16:47 UTC.
7 flash flood, 1 flood. Local standard time, as filed.
The Guadalupe River near Cuero crested at 28.4 ft on July 25 at 9:30 AM CST, where flood stage is 24 ft.
A general 1 to 2 inch rain fell over Hays County, with up to 4 inches northeast of Wimberley. FM12, FM150, and FM3237 were closed due to high water.
From 3 to 4 inches of rain fell between Cedar Park and Round Rock, causing widespread flash flooding along Upper Brushy Creek. FM620 and FM1325 were closed due to high water.
Between 2 and 4 inches of rain fell in the western half of Gillespie County with up to 6 inches near Doss. FM648, FM783, and FM783 were closed in Gellespie County due to flash flooding.
Rain totals between 2 and 3 inches fell in the late afternoon, causing flash flooding over the southern part of Caldwell County between Lockhart and Luling. Closed due to high water were SH183, FM20 and FM86.
From 3 to 4 inches of rain fell southeast of Westhoff in the early evening, closing US87 and FM240 due to high water.
A general 3 to 4 inch rain was reported in western Kerr County, closing SH27 and SH39 near Ingram.
Rainfall between 2 and 3 inches caused flash flooding in the late evening period from Gonzales southwestward, closing FM108 and SH111.
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: 49526, 49529, 49531, 49534, 49537, 49539, 49542, 49545.