A weak front moved through central Texas and caused isolated thunderstorms which produced wind damage in Travis County.
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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.
A weak front moved through central Texas and caused isolated thunderstorms which produced wind damage in Travis 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 Aug 12, 2:19 PM CST, 36 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 319 PM CDT WED AUG 12 2009 .DISCUSSION... EARLY THIS AFTERNOON...AIRMASS CONVECTION IS FIRING OVER OUR HIGHER TERRAIN (HILL COUNTRY) AND PROPAGATING SOUTH ON OUTFLOW BOUNDARIES TOWARD THE INTERSTATE 35 CORRIDOR. WETTING RAINS ARE SPOTTY AT BEST...WITH MOST OF THE AUSTIN AND SAN ANTONIO METRO AREAS EXPECTED TO GET PRECIPITATION AMOUNTS LESS THAN ONE TENTH OF AN INCH. ANOTHER ROUND OF DAYTIME HEATING-TRIGGERED CONVECTION IS POSSIBLE THURSDAY...GENERALLY SOUTH OF TODAYS CROP. PRESSURE HEIGHTS ARE FORECAST TO DECREASE SLIGHTLY OVERHEAD THROUGH THE END OF THE WEEK AND INTO THE WEEKEND...WITH A WEAKNESS DEVELOPING IN THE HIGH OVER OUR AREA EARLY NEXT WEEK. THIS WILL ALLOW FOR AN INCREASE IN MOISTURE AND A SLIGHT DECREASE IN MAX TEMPS...WITH A TREND TOWARD NORMAL GOING INTO THE MIDDLE OF NEXT WEEK. THIS WOULD NORMALLY ADD-UP TO CONTINUING AFTERNOON/EVENING CONVECTION...BUT COVERAGE WILL BE ISOLATED AT BEST WITH THE ONLY WORTHY MENTION ACROSS OUR SOUTHEAST COUNTIES WHERE THE SEABREEZE WILL PROVIDE A LOWER BOUNDARY LAYER FOCUS FOR INITIATION. BOTH THE 12Z ECMWF AND GFS CONTINUE TO SHOW TROPICAL CYCLONE DEVELOPMENT IN THE ATLANTIC OVER THE NEXT WEEK...WITH A 240H POSITION BETWEEN CUBA AND THE BAHAMAS. STILL FAR OUT THERE...BUT WORTH MONITORING. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 77 101 76 101 77 / 20 10 - - - AUSTIN BERGSTROM INTL AIRPORT 72 100 72 100 73 / 20 10 10 - - NEW BRAUNFELS MUNI AIRPORT 74 101 73 101 74 / 20 10 10 - - BURNET MUNI AIRPORT 74 98 73 98 74 / 20 10 - - - DEL RIO INTL AIRPORT 78 103 77 101 78 / 10 - - - - GEORGETOWN MUNI AIRPORT 75 99 74 99 74 / 20 10 - - - HONDO MUNI AIRPORT 73 100 73 100 74 / 10 10 - - - SAN MARCOS MUNI AIRPORT 75 100 74 100 75 / 20 10 10 - - LA GRANGE - FAYETTE REGIONAL 75 99 74 99 75 / 20 20 10 - - SAN ANTONIO INTL AIRPORT 78 100 77 100 77 / 10 10 10 - - STINSON MUNI AIRPORT 76 101 76 101 75 / 10 10 10 - - && .EWX WATCHES/WARNINGS/ADVISORIES... NONE. && 11/18
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 519 AM CDT WED AUG 12 2009 TXZ171>173-183>194-202>209-217>225-228-131030- 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- 519 AM CDT WED AUG 12 2009 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...THURSDAY THROUGH TUESDAY... 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.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm wind gusts, estimated at 45 to 50 knots, knocked down tree limbs and power lines near the 1500 block of Enfield Road in Austin. Other trees were knocked down near thd downtown area blocking some streets.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2009Every state in 2009This day in weather historyWarnings in Texas, August 2009
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: 188841.