Scattered thunderstorms produced heavy rain and flash flooding in Llano County.
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.
Scattered thunderstorms produced heavy rain and flash flooding in Llano County.
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 May 31, 5:49 AM CST, 41 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 649 AM CDT THU MAY 31 2007 .AVIATION...I-35 CORRIDOR TERMINALS MVFR CIGS WITH SCATTERED SHOWERS AND THUNDERSTORMS LOCALLY LOWERING VSBYS AOB 3 MILES KAUS AND KHYI TERMINALS TIL 17Z. AFTER 17Z BCMG VFR. MVFR CIGS RETURNING AFT 09Z. KDRT TERMINAL MVFR CIGS BECOMING AFTER 17Z VFR. WINDS SOUTHEAST 10 TO 15 KTS EXCEPT VARIABLE IN AND NEAR THUNDERSTORMS. && .PREV DISCUSSION... /ISSUED 628 AM CDT THU MAY 31 2007/ UPDATE... MCS HAS CROSSED INTO OUR CWA AND IS MOVING SOUTHWARD THROUGH BURNET AND WILLIAMSON COUNTIES. DOING AN UPDATE TO GRIDS AND ZONES TO INCREASE POPS...QPF...AND SKY COVER THIS MORNING OVER THE NORTHEASTERN COUNTIES. PREV DISCUSSION... /ISSUED 358 AM CDT THU MAY 31 2007/ DISCUSSION... BEEN WATCHING MCS ON THE NORTHERN BORDER OF OUR CWA. ITS BEEN THREATENING TO MOVE SOUTHWARD...BUT IS HAVING A VERY DIFFICULT TIME OF IT. ITS BEEN PRODUCING HEAVY RAIN AND SOME SEVERE WEATHER. 08Z LAPS ANALYSIS SHOWS AROUND 2500 J/KG OF CAPE...BUT ALSO 65 J/KG OF CIN IN LLANO AND BURNET COUNTIES. IF STORMS MAKE IT HERE THEY WILL BE QUITE STRONG. HAVE INCLUDED A SLIGHT CHANCE FOR SEVERE THUNDERSTORMS AND HEAVY RAIN IN PRE-FIRST PERIOD. ONCE WE DISPOSE OF THE MCS UPPER LEVEL RIDGING WILL CONTROL THE WEATHER FOR THE SHORT TERM. SOUTH TO SOUTHEASTERLY FLOW IN THE BOUNDARY LAYER WILL MEAN HOT AND HUMID DAYS AND WARM OVERNIGHT LOW TEMPS. THESE CONDITIONS WILL PERSIST THROUGH SATURDAY. POPS INCREASE STARTING SUNDAY EVENING WITH THE APPROACH OF A FRONTAL SYSTEM. THE FRONT LOOKS LIKE IT WILL ONLY DROP AS FAR SOUTH AS CENTRAL TEXAS...BUT WILL BE CLOSE ENOUGH TO CAUSE LOW END CHANCE POPS IN OUR NORTHERN COUNTIES. THE FRONT WILL STALL OVER CENTRAL TEXAS KEEPING POPS SLIGHT/CHANCE THROUGH TUESDAY. DONT EXPECT ANY BIG CHANGES IN TEMPS DURING THIS PERIOD AS ANY COLD AIR WILL STAY NORTH. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 92 71 89 71 89 / 50 - - 10 - AUSTIN BERGSTROM INTL AIRPORT 91 70 90 69 90 / 30 - - 10 - DEL RIO INTL AIRPORT 93 73 94 73 93 / 10 - - 10 - SAN ANTONIO INTL AIRPORT 90 70 89 71 89 / 10 - - 10 - && .EWX WATCHES/WARNINGS/ADVISORIES... NONE. && 05/02
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 634 AM CDT THU MAY 31 2007 TXZ171>173-183>194-202>209-217>225-228-011145- 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- 634 AM CDT THU MAY 31 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT SCATTERED HEAVY THUNDERSTORMS MAY OCCUR EARLY THIS MORNING ACROSS WILLIAMSON..NORTHERN TRAVIS..BURNET AND LLANO COUNTIES. LOCALIZED FLOODING MAY OCCUR PARTICULARLY IN LOW LYING OR FLOOD PRONE AREAS. OTHERWISE..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 Ft Hood radar (KGRK), 123 km away, was scanning. The volume nearest the first event began at 12:31 UTC.
1 flash flood. Local standard time, as filed.
Scattered showers and thunderstorms produced general 2 to 3 inch rain amounts in Llano in less than two hours. Brief flash flooding closed several streets in the city in the morning.
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, May 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: 33399.