Thunderstorms along the sea breeze front moved into Medina County. One of these storms produced damaging wind gusts.
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 along the sea breeze front moved into Medina County. One of these storms produced damaging wind gusts.
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 Sep 12, 5:37 PM CST, 1 hour 9 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 637 PM CDT WED SEP 12 2012 .AVIATION... SEA BREEZE HAS MOVED THROUGH AUSTIN AND SAN ANTONIO AND BREEZY SOUTHEAST WIND WILL CONTINUE FOR ANOTHER HOUR OR TWO. THERE ARE SOME SHOWERS FORMING ALONG THIS BOUNDARY...BUT DO NOT EXPECT THEM TO AFFECT ANY TERMINAL THIS EVENING. MVFR CIGS WILL FORM OVERNIGHT AT ALL TERMINALS. TIMING WILL BE AROUND 06Z AT I35 AIRPORTS AND 11Z AT DRT. A COLD FRONT WILL APPROACH SOUTH CENTRAL TEXAS THU AND THIS WILL KEEP CIGS MVFR THROUGH THE DAY. EXPECTING TSRA TO DEVELOP DURING THE AFTERNOON...BUT UNCERTAINTY IS TOO HIGH TO PIN DOWN A GOOD TIME AT EACH TERMINAL. HAVE INCLUDED PROB30 GROUPS AFTER 18Z TO ACCOUNT FOR CONVECTION. && .PREV DISCUSSION... /ISSUED 318 PM CDT WED SEP 12 2012/ DISCUSSION... DISTURBANCES MOVING EAST ACROSS CENTRAL TEXAS TONIGHT MAY GRAZE NORTHERN PORTIONS OF OUR CWA WHILE SEA BREEZE CONVECTION MIGRATES NORTH OVER EASTERN PORTIONS. LOWS IN THE 70S. TOMORROW...AS AN UPPER TROUGH MOVES SLOWLY SOUTHEAST OVER NORTHWEST TEXAS...A COLD FRONT WILL PLUNGE SOUTH ACROSS CENTRAL TEXAS...PUSHING INTO WESTERN PORTIONS OF OUR REGION TOMORROW AFTERNOON. GOOD MOIST SURFACE CONVERGENCE DURING MAX HEATING TIME ALONG THE FRONT WILL PRODUCE FAIRLY GOOD RAINFALL (POSSIBLY UP TO AN INCH) OVER THE WESTERN HILL COUNTRY TO NEAR DEL RIO. THE COLD FRONT WILL CONTINUE TO TRUDGE SOUTHEAST TO REACH THE I-35 CORRIDOR BY MIDNIGHT WITH THE HEAVIEST RAINS (ONE HALF TO ONE INCH) ALONG THE WESTERN RIO GRANDE PLAINS. RAIN CHANCES WILL BE QUITE HIGH AREA-WIDE TOMORROW NIGHT IN VIEW OF THE FRONT'S SLOW MOVEMENT AND GULF MOISTURE OVERRUN EXPECTED. WEAK DISTURBANCES PUSHING EAST ATOP OVERRUNNING GULF MOISTURE ON FRIDAY WILL GIVE ADDITIONAL CHANCES OF SHOWERS AND STORMS. THIS PATTERN WILL LIKELY CONTINUE THROUGH THE WEEKEND WITH AT LEAST A CHANCE OF RAIN AREA WIDE ALTHOUGH RAIN AMOUNTS WILL LIKELY BE LOW. THE UPPER TROUGH PUSHES ACROSS THE REGION SUNDAY AND SUNDAY NIGHT WITH DECREASING CLOUDINESS. PARTLY CLOUDY WITH A WARMING TREND MONDAY THROUGH WEDNESDAY AS THE WESTERN RIDGE BUILDS EAST (AGAIN). SOME LATE NIGHT AND EARLY MORNING PATCHY FOG CAN BE EXPECTED MONDAY AND TUESDAY GENERALLY ALONG AND EAST OF THE ESCARPMENT DUE TO WET GROUNDS...LIGHT WINDS AND DRIER AIR ALOFT. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 74 89 71 84 70 / 20 40 70 40 40 AUSTIN BERGSTROM INTL AIRPORT 71 90 67 84 66 / 20 40 70 40 40 NEW BRAUNFELS MUNI AIRPORT 71 89 68 84 67 / 10 40 70 40 40 BURNET MUNI AIRPORT 73 85 67 78 67 / 20 50 60 40 40 DEL RIO INTL AIRPORT 76 90 71 78 68 / 10 40 80 50 40 GEORGETOWN MUNI AIRPORT 73 88 68 82 67 / 20 40 60 40 40 HONDO MUNI AIRPORT 72 89 68 83 66 / 10 50 70 50 40 SAN MARCOS MUNI AIRPORT 72 89 68 84 67 / 10 40 70 40 40 LA GRANGE - FAYETTE REGIONAL 73 89 71 86 69 / 20 50 60 40 40 SAN ANTONIO INTL AIRPORT 76 89 71 83 70 / 10 40 70 40 40 STINSON MUNI AIRPORT 75 89 72 84 71 / 10 40 70 40 40 && .EWX WATCHES/WARNINGS/ADVISORIES... NONE. && MESOSCALE/AVIATION...01 SYNOPTIC/GRIDS...05 PUBLIC SERVICE/DATA COLLECTION...33
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 811 PM CDT TUE SEP 11 2012 TXZ171>173-183>194-202>209-217>225-228-121145- 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- 811 PM CDT TUE SEP 11 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TONIGHT... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 449 PM CDT WED SEP 12 2012 TXZ207-221>223-122230- GONZALES-GUADALUPE-KARNES-WILSON- 449 PM CDT WED SEP 12 2012 ...SIGNIFICANT WEATHER ADVISORY FOR EXTREME NORTHEASTERN KARNES... NORTHEASTERN WILSON...SOUTHERN GUADALUPE AND SOUTHWESTERN GONZALES COUNTIES UNTIL 530 PM CDT... AT 446 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM NEAR NIXON...OR 14 MILES EAST OF STOCKDALE... MOVING NORTH AT 5 MPH. WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... SMILEY... NIXON... LEESVILLE... BEBE... MONTHALIA... IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. LAT...LON 2948 9788 2949 9760 2918 9761 2916 9782 TIME...MOT...LOC 2148Z 174DEG 6KT 2926 9773
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
548 PM CDT WED SEP 12 2012
TXZ221>223-122345-
GONZALES-KARNES-WILSON-
548 PM CDT WED SEP 12 2012
...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN KARNES...EASTERN WILSON
AND SOUTHWESTERN GONZALES COUNTIES UNTIL 645 PM CDT...
AT 544 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM NEAR FALLS CITY...OR NEAR POTH...MOVING NORTHEAST
AT 10 MPH.
WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
FREQUENT DANGEROUS LIGHTNING.
LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
KOSCIUSKO...
STOCKDALE...
CESTOHOWA...
GILLETT...
PANDORA...
NIXON...
PAWELEVILLE...
IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.
LAT...LON 2922 9800 2935 9783 2916 9765 2893 9798
2905 9814
TIME...MOT...LOC 2248Z 223DEG 7KT 2904 9802SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 731 PM CDT WED SEP 12 2012 TXZ205-220-221-130100- ATASCOSA-BEXAR-WILSON- 731 PM CDT WED SEP 12 2012 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN ATASCOSA...EXTREME SOUTHERN BEXAR AND EXTREME WESTERN WILSON COUNTIES UNTIL 800 PM CDT... AT 726 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM NEAR LEMING...OR 7 MILES NORTHEAST OF PLEASANTON...MOVING NORTH AT 5 MPH. WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... LEMING... ESPEY... FAIRVIEW... IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. LAT...LON 2915 9855 2916 9833 2902 9834 2901 9851 TIME...MOT...LOC 0031Z 176DEG 3KT 2906 9843
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 732 PM CDT WED SEP 12 2012 TXZ204-205-219-220-130100- ATASCOSA-BEXAR-FRIO-MEDINA- 732 PM CDT WED SEP 12 2012 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN ATASCOSA... NORTHEASTERN FRIO...EXTREME SOUTHWESTERN BEXAR AND SOUTHEASTERN MEDINA COUNTIES UNTIL 800 PM CDT... AT 731 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM NEAR DEVINE...MOVING NORTHWEST AT 5 MPH. WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... DEVINE... NATALIA... LYTLE... IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. LAT...LON 2918 9902 2927 9881 2909 9871 2904 9887 TIME...MOT...LOC 0032Z 152DEG 4KT 2912 9885
The Austin/San Antonio radar (KEWX), 104 km away, was scanning. The volume nearest the first event began at 00:46 UTC.
1 thunderstorm wind. Local standard time, as filed.
A thunderstorm produced wind gusts estimated at 58 mph that snapped two power poles and downed power lines. Winds also damaged some roofs and blew down some trees.
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, September 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: 407345.