A weak cold front moved into central Texas and produced a mesoscale convective system that sent an outflow boundary into the eastern part of south central Texas. This boundary triggered thunderstorms that produced severe wind gusts in Bastrop and Lee Counties.
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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 cold front moved into central Texas and produced a mesoscale convective system that sent an outflow boundary into the eastern part of south central Texas. This boundary triggered thunderstorms that produced severe wind gusts in Bastrop and Lee Counties.
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 Jun 12, 2:04 PM CST, 2 hours 46 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 304 PM CDT TUE JUN 12 2012 .DISCUSSION... STRONG CONVECTIVE DEVELOPMENTS MOVING SOUTH ACROSS CENTRAL TEXAS AT MID AFTERNOON WILL CONTINUE TO WORK THEIR WAY SOUTH SOUTHEAST INTO CENTRAL TEXAS TOWARDS LATE AFTERNOON. LOOKS LIKE THEY WILL BE MAINTAINED IN THE TEETH OF THE LOW LEVEL SOUTHERLY FLOW WITH DEWPOINTS IN THE 70S...MOVING INTO AN ENVIRONMENT IN WHICH THERE WILL BE RESULTANTLY HIGH CAPES (GREATER THAN 3000 J/KG). THUS...PROPAGATION OF STRONG TO SEVERE STORMS ARE FORECAST INTO OUR NORTHERN CWA BY LATE AFTERNOON. THESE STORMS WILL CONTINUE TO PROPAGATE SOUTH AND EVEN TO THE SOUTHWEST THIS EVENING AS THE AIRMASS TO THE EAST COOLS AND SOUTH TO SOUTHEAST WINDS INCREASE WITH THE INCREASING LOW LEVEL PRESSURE GRADIENT. THE MAIN THREAT WILL BE DAMAGING WINDS BUT CANNOT RULE OUT LARGE HAIL AND AN ISOLATED TORNADO WITH RIGHT MOVING SUPER-CELL FORECAST MOVEMENT SOUTHWEST IN THE DIRECTION OF HIGH CAPE. THE MCS SHOULD BE DIMINISHING OVERNIGHT WITH SOME RESIDUAL SHOWERS OVER SOUTHERN AND EASTERN SECTIONS TOMORROW. HEIGHTS ALOFT SHOULD LOWER TOMORROW BUT WITHOUT ANY ORGANIZED LOW LEVEL BOUNDARIES...ORGANIZED CONVECTION OTHER THAN RESIDUAL SHOWERS AND SEA BREEZE ACTIVITY ARE EXPECTED. THE LOWERED FORECAST HEIGHTS WILL ALSO LOWER HIGH TEMPERATURES A FEW DEGREES FROM WHAT THEY WERE TODAY...STILL SLIGHTLY ABOVE NORMAL FOR THIS TIME OF YEAR. A CONTINUED GRADUAL LOWERING OF HEIGHTS ALOFT THROUGH THE LATTER HALF OF THE WEEK WILL MEAN HIGH TEMPERATURES RETURNING TO NORMAL LEVELS. AS THE CENTER OF THE UPPER RIDGE MIGRATES INTO THE MIDWEST U.S. LATE IN THE WEEK...EASTERLIES BECOME DOMINANT OVER THE GULF...INCREASING THE CHANCES FOR SEA BREEZE CONVECTION MAKING IT INTO OUR CWA. BY FRIDAY...HEIGHTS ALOFT WILL DECREASE ENOUGH FOR SOME SEA BREEZE CONVECTION WORKING ITS WAY INTO OUR SOUTHEAST CWA. DITTO ON SATURDAY AS SEA BREEZE CONVECTION IS AGAIN POSSIBLE MAINLY OVER EASTERN PORTIONS. THE UPPER RIDGE BUILDS BACK LATE IN THE WEEKEND PERIOD SO SUNDAY'S HIGHS WILL RISE AGAIN TO SLIGHTLY ABOVE SEASONAL LEVELS...WITH SOME SEA BREEZE ACTIVITY AGAIN POSSIBLE ALONG THE COASTAL PRAIRIES. ANOTHER DISTURBANCE MAY SKIRT OUR NORTHERN CWA EARLY NEXT WEEK (TUESDAY) BUT TOO EARLY TO TELL WHETHER OR NOT THE SYSTEM WILL DIG FAR ENOUGH TO AFFECT US. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 75 94 75 94 75 / 30 10 - - 10 AUSTIN BERGSTROM INTL AIRPORT 74 95 74 95 73 / 30 10 - - 10 NEW BRAUNFELS MUNI AIRPORT 73 94 72 94 73 / 20 - - - - BURNET MUNI AIRPORT 73 93 73 93 73 / 40 - - 0 10 DEL RIO INTL AIRPORT 78 99 77 97 77 / - - - - - GEORGETOWN MUNI AIRPORT 73 93 73 93 74 / 30 10 - - 10 HONDO MUNI AIRPORT 74 97 73 96 74 / 10 20 - - - SAN MARCOS MUNI AIRPORT 74 93 74 93 74 / 20 10 - - - LA GRANGE - FAYETTE REGIONAL 74 93 73 92 73 / 30 20 - - - SAN ANTONIO INTL AIRPORT 76 94 76 94 76 / 20 20 - - - STINSON MUNI AIRPORT 75 96 75 96 75 / 20 20 - - - && .EWX WATCHES/WARNINGS/ADVISORIES...NONE. && MESOSCALE/AVIATION...18 SYNOPTIC/GRIDS...02 PUBLIC SERVICE/DATA COLLECTION...33
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 411 PM CDT TUE JUN 12 2012 TXZ171>173-183>194-202>209-217>225-228-132115- 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- 411 PM CDT TUE JUN 12 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TONIGHT... THERE IS A SLIGHT RISK OF SEVERE WEATHER OVER MOST OF SOUTH CENTRAL TEXAS...OR GENERALLY NORTH AND EAST OF A DEL RIO TO KENEDY LINE. PRIMARY SEVERE THREATS ARE FOR DAMAGING WINDS AND LARGE HAIL. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 415 PM CDT TUE JUN 12 2012 TXZ172-173-122215- BURNET-WILLIAMSON- 415 PM CDT TUE JUN 12 2012 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN BURNET AND NORTHWESTERN WILLIAMSON COUNTIES UNTIL 515 PM CDT... AT 412 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM NEAR COPPERAS COVE...MOVING SOUTHEAST AT 20 MPH. WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... BERTRAM... SHADY GROVE... BRIGGS... FLORENCE... JARRELL... ANDICE... THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 526 PM CDT TUE JUN 12 2012 TXZ194-122315- LEE- 526 PM CDT TUE JUN 12 2012 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN LEE COUNTY UNTIL 615 PM CDT... AT 525 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM NEAR TANGLEWOOD...OR 6 MILES NORTH OF LEXINGTON...MOVING SOUTH AT 5 MPH. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... LEXINGTON... FEDOR... DIME BOX... LEO... OLD DIME BOX... THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. THE HEAVY RAIN MAY FLOOD LOW LYING AREAS SUCH AS DITCHES...LOW WATER CROSSINGS AND UNDERPASSES. DO NOT DRIVE YOUR VEHICLE ACROSS FLOODED ROADWAYS.
The Ft Hood radar (KGRK), 55 km away, was scanning. The volume nearest the first event began at 22:51 UTC.
3 thunderstorm wind. Local standard time, as filed.
A thunderstorm produced wind gusts estimated at 50 mph that broke tree limbs up to six inches in diameter.
A thunderstorm produced wind gusts estimated at 50 mph the broke several one to three inch tree limbs near the intersection of Waco and Brown Rds. in the town of McDade.
A thunderstorm produced wind gusts estimated at 58 mph that blew down several large Oak trees blocking FM 448 at FM 2239.
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, June 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: 376273, 376274, 376275.