A short wave trough of low pressure moved southwestward under the subtropical ridge of high pressure across eastern parts of South Central Texas causing showers and thunderstorms. One of these storms produced damaging winds in Fayette 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 short wave trough of low pressure moved southwestward under the subtropical ridge of high pressure across eastern parts of South Central Texas causing showers and thunderstorms. One of these storms produced damaging winds in Fayette 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 24, 6:13 PM CST, 2 hours 42 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 713 PM CDT WED AUG 24 2011 .UPDATE... HAVE ADDED ISOLATED SHOWERS AND THUNDERSTORMS TO OUR NORTHEAST COUNTIES FOR THIS EVENING. && .DISCUSSION... CONVECTION ALONG AN OUTFLOW BOUNDARY WAS RACING SOUTHWEST AT 35 TO 40 MPH. THIS WILL RESULT IN ISOLATED SHOWERS AND THUNDERSTORMS MOVING INTO OUR NORTHEAST COUNTIES BY 8 PM. WITH THE LOSS OF DAYTIME HEATING AND RIDGING ALOFT...EXPECT THE CONVECTION TO WEAKEN AND DISSIPATE BY MIDNIGHT. GRIDS AND TEXT PRODUCTS UPDATED. && .PREV DISCUSSION... /ISSUED 630 PM CDT WED AUG 24 2011/ AVIATION... HIGH PRESSURE ALOFT WILL PROMOTE MOSTLY VFR CONDITIONS TONIGHT AND THURSDAY. SOME BRIEF AND PATCHY MVFR CIGS MAY DEVELOP ALONG I-35 CORRIDOR TERMINALS AROUND DAWN. LIGHT SOUTH TO SOUTHEAST WINDS 5 TO 10 KTS. PREV DISCUSSION... /ISSUED 320 PM CDT WED AUG 24 2011/ DISCUSSION... THE SUBTROPICAL RIDGE CURRENTLY CENTERED OVER NORTHWESTERN TEXAS WILL CONTINUE TO BE THE DOMINANT FEATURE FOR SOUTH CENTRAL TEXAS FOR THIS FORECAST CYCLE. A SHORT-WAVE CURRENTLY DROPPING SOUTH OVER LOUISIANA AND FAR EASTERN TEXAS WILL ROTATE AROUND THE RIDGE. HOWEVER...ONLY ISOLATED THUNDERSTORMS AT BEST CAN BE EXPECTED LATE THURSDAY AFTERNOON INTO EVENING AS STRONG SUBSIDENCE AND WARM MID LEVEL TEMPERATURES CAPPING THE AIRMASS UNDERNEATH THE RIDGE WILL PREVAIL AND WILL NOT MENTION POPS. THE CENTER OF THE RIDGE WILL SLOWLY DRIFT WEST TO THE FOUR CORNERS AREA BY THE WEEKEND WHILE A THERMAL RIDGE MOVES INTO SOUTH CENTRAL TEXAS. 850 MB TEMPERATURES WILL WARM INTO THE UPPER 20S TO NEAR 30 CELSIUS. IN ADDITION...A DRIER AIRMASS WILL MOVE INTO THE AREA BEHIND A WEAK SURFACE BOUNDARY. EXPECT STRONG MIXING TO ALLOW TEMPERATURES TO APPROACH OR BREAK DAILY HIGH TEMPERATURE RECORDS. OVER THE WEEKEND...EVEN THE ALL-TIME HIGH TEMPERATURE RECORDS WILL BE APPROACHED. HIGHS WILL SOAR INTO THE 105 TO 110 DEGREE RANGE...EXCEPT 100 TO 105 DEGREES IN THE HILL COUNTRY. DEW POINTS WILL DROP INTO THE 40S MAKING HEAT INDICES AND APPARENT TEMPERATURES LOWER THAN THE AIR TEMPERATURES DURING THE AFTERNOON INTO EVENING HOURS. NEXT WEEK...THE CENTER MOVES BACK EAST OVER TEXAS WHILE SHRINKING A LITTLE. HIGH TEMPERATURES WILL RETREAT BACK FROM NEAR ALL-TIME LEVELS...ALTHOUGH REMAIN ABOVE 100 MOST AREAS. SOME MOISTURE MAY MOVE BACK INTO THE COASTAL PLAINS. HOWEVER...NOT ENOUGH TO GENERATE ISOLATED SEABREEZE CONVECTION. BEYOND THIS FORECAST...FOR LATE NEXT WEEK THROUGH THE LABOR DAY WEEKEND...LITTLE OR NO PATTERN CHANGE IS EXPECTED WITH 100 DEGREE HIGH TEMPERATURES FOR MOST AREAS LIKELY. FIRE WEATHER... ELEVATED FIRE WEATHER CONDITIONS WILL CONTINUE FOR THE NEXT SEVERAL DAYS. AFTERNOON RELATIVE HUMIDITIES WILL FALL INTO THE UPPER TEENS TO LOWER 20S THURSDAY INTO FRIDAY. BY THE WEEKEND...A HOTTER AND DRIER AIRMASS WILL MOVE INTO THE AREA AND RESULT IN AFTERNOON RELATIVE HUMIDITIES FALLING INTO THE LOWER TO MID TEENS. HOWEVER...20-FOOT WINDS WILL GENERALLY REMAIN AROUND 10 MPH OR LESS. CLIMATE... RECORD HIGH TEMPERATURES FOR AUGUST 25 THROUGH 28: AUSTIN BERGSTROM...104/1952...103/2009...105/1990...102/1990 AUSTIN CAMP MABRY..105/1924...107/1924...106/1990...104/1990 SAN ANTONIO........102/2006...102/2006...102/1990...101/1940 DEL RIO............103/2006...103/2002...107/2002...102/2002 ALL-TIME RECORD HIGH TEMPERATURES AUSTIN BERGSTROM...112...SEP 5..2000 AUSTIN CAMP MABRY..112...SEP 5..2000 SAN ANTONIO........111...SEP 5..2000 DEL RIO............112...JUN 9..1988 && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 79 105 79 109 79 / - - - - 0 AUSTIN BERGSTROM INTL AIRPORT 75 104 74 107 74 / - - - - 0 NEW BRAUNFELS MUNI AIRPORT 75 103 75 107 75 / - - - - 0 BURNET MUNI AIRPORT 78 103 78 106 77 / - - - - 0 DEL RIO INTL AIRPORT 80 102 80 104 80 / - - - - 0 GEORGETOWN MUNI AIRPORT 79 102 78 106 77 / 10 - - - 0 HONDO MUNI AIRPORT 76 103 76 106 77 / - - - - 0 SAN MARCOS MUNI AIRPORT 77 102 77 106 77 / - - - - 0 LA GRANGE - FAYETTE REGIONAL 76 103 77 106 76 / 10 - - - 0 SAN ANTONIO INTL AIRPORT 79 102 79 106 80 / - - - - 0 STINSON MUNI AIRPORT 79 104 78 109 80 / - - - - 0 && .EWX WATCHES/WARNINGS/ADVISORIES... HEAT ADVISORY UNTIL 7 PM CDT SATURDAY FOR THE FOLLOWING COUNTIES: BEXAR...COMAL...GUADALUPE...HAYS...TRAVIS...WILLIAMSON. && MESOSCALE/AVIATION...02 SYNOPTIC/GRIDS...13 PUBLIC SERVICE/DATA COLLECTION...31
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 504 AM CDT WED AUG 24 2011 TXZ171>173-183>194-202>209-217>225-228-251015- 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- 504 AM CDT WED AUG 24 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT... A HEAT ADVISORY IS IN EFFECT FOR WILLIAMSON...TRAVIS...HAYS... BEXAR...GUADALUPE AND COMAL COUNTIES. ELEVATED FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON AND THIS EVENING DUE TO LOW RELATIVE HUMIDITIES AND MODERATE WINDS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... A HEAT ADVISORY WILL REMAIN IN EFFECT FOR WILLIAMSON...TRAVIS... HAYS...BEXAR...GUADALUPE AND COMAL COUNTIES THROUGH SATURDAY EVENING. ADDITIONALLY...THERE WILL BE ELEVATED FIRE WEATHER CONDITIONS EACH AFTERNOON AND EVENING DUE TO LOW RELATIVE HUMIDITIES AND MODERATE WINDS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 753 PM CDT WED AUG 24 2011 TXZ172-173-192>194-209-250200- BURNET-WILLIAMSON-TRAVIS-BASTROP-LEE-FAYETTE- INCLUDING THE CITIES OF...BURNET...GEORGETOWN...AUSTIN... BASTROP...GIDDINGS...LA GRANGE 753 PM CDT WED AUG 24 2011 ...OUTFLOW BOUNDARY APPROACHING LEE...WILLIAMSON AND FAYETTE COUNTIES... AN OUTFLOW BOUNDARY IS MOVING SOUTHWEST AT 35 MPH AND WILL ENTER EASTERN LEE COUNTY AROUND 815 PM. WIND GUSTS OF 35 TO 45 MPH WILL ACCOMPANY THIS BOUNDARY AS IN MOVES SOUTHWESTWARD. DAMAGE TO DROUGHT STRESSED TREES IS LIKELY.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 909 PM CDT WED AUG 24 2011 TXZ209-250245- FAYETTE- 909 PM CDT WED AUG 24 2011 ...SIGNIFICANT WEATHER ADVISORY FOR FAYETTE COUNTY UNTIL 945 PM CDT... AT 900 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM 6 MILES NORTHEAST OF FAYETTEVILLE...OR 16 MILES EAST OF LA GRANGE...MOVING SOUTHWEST AT 25 MPH. THE OUTFLOW BOUNDARY FROM THIS THUNDERSTORM WILL PRODUCE WIND GUSTS OF 35 TO 45 MPH. DAMAGE TO DROUGHT STRESSED TREES ARE POSSIBLE. LOCATIONS IMPACTED BY THE OUTFLOW BOUNDARY INCLUDE... LA GRANGE... SCHULENBURG... FAYETTEVILLE... MULDOON... CISTERN... REK HILL... RUTERSVILLE... RABBS PRAIRIE... PLUM... ELLINGER... IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING.
The Austin/San Antonio radar (KEWX), 108 km away, was scanning. The volume nearest the first event began at 02:54 UTC.
1 thunderstorm wind. Local standard time, as filed.
A thunderstorm produced wind gusts estimated at 60 mph. There were power outages across the city of Schulenburg.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2011Every state in 2011This day in weather historyWarnings in Texas, August 2011
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: 339571.