On August 9th, an isolated thunderstorm produced damaging downburst winds near Eldorado. On August 13th, a small line of thunderstorms produced wind damage near Ballinger, Winters and Wall.
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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 SJT wrote it up.
On August 9th, an isolated thunderstorm produced damaging downburst winds near Eldorado. On August 13th, a small line of thunderstorms produced wind damage near Ballinger, Winters and Wall.
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 San Angelo, TX wrote its last area forecast discussion before the first event at Aug 9, 11:34 AM CST, 2 hours 11 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE SAN ANGELO TX 1234 PM CDT THU AUG 9 2012 .DISCUSSION... SEE AVIATION SECTION. && .AVIATION... VFR CONDITIONS WILL PREVAIL ACROSS WEST CENTRAL TEXAS THROUGH THE NEXT 24 HOURS. A MID-LEVEL BASED CUMULUS FIELD WILL DEVELOP EARLY THIS AFTERNOON...MAINLY ACROSS THE REGION SOUTH OF INTERSTATE 20. ISOLATED SHOWERS AND THUNDERSTORMS ARE POSSIBLE ALONG THE INTERSTATE 10 CORRIDOR THIS AFTERNOON AND EARLY EVENING...BUT THE CHANCE IS REMOTE ENOUGH TO PRECLUDE A MENTION IN THE KSOA AND KJCT TAFS AT THIS TIME. WILL MONITOR RADAR TRENDS FOR ANY POSSIBLE UPDATES. SKIES WILL BE MOSTLY CLEAR TONIGHT AND FRIDAY MORNING. WINDS WILL BE VARIABLE IN DIRECTION AT LESS THAN 10 KT THIS AFTERNOON AND EVENING...OUTSIDE OF ANY THUNDERSTORM ACTIVITY. A WEAK COLD FRONT IS EXPECTED TO MOVE SOUTH ACROSS THE BIG COUNTRY TONIGHT...AND TO SAG FARTHER SOUTH TOWARD INTERSTATE 10 ON FRIDAY. WINDS WILL BECOME NORTH-NORTHEAST AT 5-10 KT BEHIND THIS FRONT. CARRYING A WIND SHIFT GROUP AT ALL TAF SITES EXCEPT KSOA AND KJCT. && .PREV DISCUSSION... /ISSUED 1034 AM CDT THU AUG 9 2012/ UPDATE... FORECAST HAS BEEN UPDATED MAINLY FOR POPS...SKY CONDITION...AND WINDS. SEE DISCUSSION. DISCUSSION... SKIES CLEARED OVERNIGHT ACROSS OUR NORTHERN AND CENTRAL COUNTIES. SOME MID-LEVEL CLOUDINESS LINGERS ACROSS THE SOUTHERN PART OF OUR AREA THIS MORNING. A CUMULUS FIELD IS EXPECTED TO DEVELOP BY EARLY AFTERNOON. WIND FIELD IS LIGHT AND VARIABLE ACROSS WEST CENTRAL TEXAS THIS MORNING. THE WEAK COLD FRONTAL BOUNDARY HAS MOVED SOUTH INTO NORTHERN OKLAHOMA AND THE FAR NORTHERN TEXAS PANHANDLE. THE GFS APPEARS TO HAVE THE BEST HANDLE ON THIS BOUNDARY... AND HAS IT SAGGING SOUTH ACROSS THE BIG COUNTRY TONIGHT. THE FRONT WILL BECOME DIFFUSE AS IT DRIFTS SOUTH ACROSS OUR CENTRAL AND SOUTHERN COUNTIES ON FRIDAY. COMPRESSIONAL WARMING EFFECTS AHEAD OF THE FRONT AND AMPLE SUNSHINE WILL AID IN TEMPERATURES REACHING THE 100-105 DEGREE RANGE ACROSS THE BIG COUNTRY. SLIGHTLY COOLER READINGS /MID TO UPPER 90S/ ARE EXPECTED ACROSS OUR SOUTHERN COUNTIES DUE TO CLOUD CLOVERAGE. CANNOT RULE OUT ISOLATED SHOWER AND THUNDERSTORM DEVELOPMENT IN OUR SOUTHERN COUNTIES ALONG THE INTERSTATE 10 CORRIDOR THIS AFTERNOON AND EARLY EVENING. HAVE TRIMMED BACK THE SLIGHT CHANCE POPS TO INCLUDE JUST THE SOUTHERN PORTION OF OUR AREA. BASED ON RECENT AND EXPECTED TRENDS...HAVE ALSO MADE ADJUSTMENTS TO SKY CONDITION AND WINDS. SOME DOWNWARD ADJUSTMENT TO TEMPERATURES WERE MADE ACROSS OUR SOUTHERN COUNTIES. PREV DISCUSSION... /ISSUED 628 AM CDT THU AUG 9 2012/ DISCUSSION... AVIATION DISCUSSION FOLLOWS. AVIATION... IMPACTS...ISOLATED THUNDERSTORMS POSSIBLE AT KSOA...KJCT...AND KBBD TERMINALS THIS AFTERNOON FROM 19Z TO 01Z. DAMAGING WIND GUSTS OF 35 TO 45KTS AND CLOUD TO GROUND LIGHTNING STRIKES POSSIBLE THIS AFTERNOON MAINLY ALONG AND SOUTH OF A LINE FROM OZONA TO BRADY TO SAN SABA. DISCUSSION...A SHORTWAVE TROUGH AND A WEAK SURFACE FRONT WILL CONTINUE TO MOVE SOUTH THROUGH THE REGION. WATER VAPOR LOOP CLEARLY SHOWS THE DRY/SUBSIDENT AIR MOVING INTO SAN ANGELO...AND THE NAM PROGS A WEAK SURFACE FRONT MOVING SOUTH THROUGH THE AREA TODAY. AS THE SHORTWAVE FEATURE...WEAK SURFACE FRONT...AND LEFTOVER OUTFLOW BOUNDARIES INTERACT WITH STRONG DAYTIME HEATING THIS AFTERNOON...ISOLATED THUNDERSTORMS MAY DEVELOP MAINLY ACROSS THE SOUTHERN PORTIONS OF WEST CENTRAL TEXAS. PREV DISCUSSION... /ISSUED 322 AM CDT THU AUG 9 2012/ SHORT TERM... IMPACTS...ISOLATED DAMAGING WIND GUSTS AND CLOUD TO GROUND LIGHTNING STRIKES POSSIBLE THIS AFTERNOON MAINLY ALONG AND SOUTH OF A LINE FROM OZONA TO BRADY TO SAN SABA. HOT TEMPERATURES ABOVE 100 ACROSS A LARGE PART OF WEST CENTRAL TEXAS. DISCUSSION...A SHORTWAVE TROUGH AND A WEAK SURFACE FRONT WILL CONTINUE TO MOVE SOUTH THROUGH THE REGION. WATER VAPOR LOOP CLEARLY SHOWS THE DRY/SUBSIDENT AIR MOVING ACROSS THE BIG COUNTRY...AND THE NAM PROGS A WEAK SURFACE FRONT MOVING SOUTH THROUGH THE AREA TODAY. AS THE SHORTWAVE FEATURE...WEAK SURFACE FRONT...AND LEFTOVER OUTFLOW BOUNDARIES INTERACT WITH STRONG DAYTIME HEATING THIS AFTERNOON...ISOLATED THUNDERSTORMS MAY DEVELOP MAINLY ACROSS THE SOUTHERN PORTIONS OF WEST CENTRAL TEXAS. THE APPROACHING DRY SUBSIDENT AIR AND LIGHT WINDS SHOULD RESULT IN VERY WARM TEMPERATURES TODAY. WENT CLOSE TO MOS MET TEMPS. LONG TERM... LONG TERM WILL REMAIN DRY AND ABNORMALLY HOT WITH SOME AMELIORATION IN AFTERNOON HIGHS TOWARD THE LATTER HALF OF THE EXTENDED. THE 500MB HIGH CENTERED OVER THE FOUR CORNERS AREA FRIDAY WILL DRIFT SOUTHEAST THROUGH THE COMING WEEKEND AND INTO THE BEGINNING OF NEXT WEEK...WINDING UP OVER THE NORTHERN GULF BY THE END OF THE EXTENDED. WITH THE FORECAST AREA ON THE BACKSIDE OF THE UPPER HIGH NEXT WEEK...WILL SEE AN INCREASE IN LOW LEVEL MOISTURE OVER THE FORECAST AREA CONCOMITANT WITH AFTERNOON HIGHS BACKING INTO THE MID TO UPPER 90S. MORNING LOWS WILL REMAIN MOSTLY IN THE MID 70S. && .PRELIMINARY POINT TEMPS/POPS... ABILENE 105 75 99 73 100 / 5 10 5 5 5 SAN ANGELO 101 76 103 74 102 / 10 10 10 5 5 JUNCTION 97 74 104 76 102 / 20 10 10 5 5 && .SJT WATCHES/WARNINGS/ADVISORIES... NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 454 AM CDT THU AUG 9 2012 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-101000- FISHER-NOLAN-STERLING-COKE-RUNNELS-IRION-TOM GREEN-CONCHO- CROCKETT-SCHLEICHER-SUTTON-HASKELL-THROCKMORTON-JONES-SHACKELFORD- TAYLOR-CALLAHAN-COLEMAN-BROWN-MCCULLOCH-SAN SABA-MENARD-KIMBLE- MASON- 926 AM CDT THU AUG 9 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT ISOLATED THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON MAINLY ALONG AND SOUTH OF A LINE FROM OZONA TO SAN SABA. THE MAIN IMPACT WILL BE DANGEROUS CLOUD TO GROUND LIGHTNING. HOWEVER...DAMAGING WINDS MAY ACCOMPANY THE STRONGER STORMS. .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 San Angelo radar (KSJT), 69 km away, was scanning. The volume nearest the first event began at 19:45 UTC.
5 thunderstorm wind. Local standard time, as filed.
The public reported wind damage along U.S. Highway 277, south of Eldorado. A roof was removed from a pump house, a flagpole was bent over, and a ten foot section of a barn door was blown inward. There was extensive tree damage as well.
A grain warehouse was damaged in Winters by strong thunderstorm winds. A trained spotter estimated thunderstorm winds at 60 mph as it broke some tree limbs near Winters.
A National Weather Service employee reported a 60 mph wind gust in Wall.
A member of the public estimated a 60 mph wind gust near Miles.
A National Weather Service employee reported a 60 mph wind gust in Wall.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2012Every state in 2012This day in weather historyWarnings in Texas, August 2012
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: 409766, 409767, 409769, 409783, 409785.