Isolated thunderstorms created strong 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.
Isolated thunderstorms created strong 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 4, 5:49 PM CST, 1 hour 1 minute earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 649 PM CDT WED SEP 4 2013 .AVIATION... ISOLATED SHOWERS AND THUNDERSTORMS MAY IMPACT TERMINAL AREAS UNTIL DARK...OTHERWISE DEEP EASTERLIES WILL CONTINUE A MOIST TROPIC-LIKE ENVIRONMENT OVER SOUTH CENTRAL TEXAS DURING THE NEXT 24 TO 36 HOURS. I-35 CORRIDOR TERMINALS VFR WITH ISOLATED EARLY EVENING SHOWERS AND THUNDERSTORMS TIL DARK LOCALLY LOWERING CONDITIONS. ISOLATED SHOWERS AND THUNDERSTORMS WILL REDEVELOP OVER THE I-35 CORRIDOR TERMINAL AREAS TOMORROW AFTERNOON AND LOCALLY LOWER CONDITIONS. I-35 CORRIDOR WINDS LIGHT SOUTHEAST TO LIGHT AND VARIABLE TONIGHT AND EARLY THURSDAY BECOMING LIGHT SOUTHEAST TOMORROW AFTERNOON. WINDS STRONG AND GUSTY IN AND NEAR THUNDERSTORMS. KDRT TERMINAL VFR. ISOLATED SHOWERS AND THUNDERSTORMS TOMORROW AFTERNOON WILL LOCALLY LOWER CONDITIONS. KDRT WINDS LIGHT AND VARIABLE TO LIGHT SOUTHEAST TONIGHT AND THURSDAY. && .PREV DISCUSSION... /ISSUED 317 PM CDT WED SEP 4 2013/ SHORT TERM (TONIGHT THROUGH THURSDAY NIGHT)... SHOWERS AND THUNDERSTORMS HAVE DEVELOPED MAINLY SOUTH AND WEST OF WHERE AN EARLIER CLUSTER DISSIPATED THIS MORNING OVER THE HILL COUNTRY. THIS DEVELOPMENT WAS ENHANCED BY AN UPPER LEVEL JET STREAK EXITING TO THE WEST OF SOUTH CENTRAL TEXAS AND UNDERNEATH THE SUBTROPICAL RIDGE CENTERED OVER THE CENTRAL HIGH PLAINS. EXPECT SHOWERS AND THUNDERSTORMS TO DISSIPATE WITH LOSS OF HEATING AFTER SUNSET AND BY MIDNIGHT. LOWS WILL BE SLIGHTLY COOLER THAN LAST NIGHT DUE TO LESS CLOUDINESS AND LIGHT WINDS. ABOVE AVERAGE HIGHS ARE AGAIN EXPECTED THURSDAY WITH LITTLE BOUNDARY LAYER TEMPERATURE CHANGE. ISOLATED SHOWERS AND THUNDERSTORMS WILL DEVELOP THURSDAY AFTERNOON WITH DAYTIME HEATING AND MAINLY ALONG THE SEABREEZE. LONG TERM (FRIDAY THROUGH WEDNESDAY)... THE CENTER OF THE SUBTROPICAL RIDGE SLOWLY MIGRATES TO THE EAST OVER THE CENTRAL PLAINS FRIDAY INTO THIS WEEKEND TO THE MIDDLE MISSISSIPPI VALLEY MONDAY AND OHIO VALLEY TUESDAY...THEN RECENTERS OVER THE PLAINS INTO CENTRAL ROCKIES ON WEDNESDAY. THE MOVEMENT OF THE RIDGE ALLOWS A SLOW INCREASE IN MOISTURE DEPTH. HOWEVER...WITH LACK OF SURFACE FOCUS EXCEPT FOR THE SEABREEZE...MAINLY ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED LATE MORNING THROUGH EARLY EVENING EACH DAY. A SLIGHT DECREASE IN THICKNESSES AND INCREASED MOISTURE WILL LEAD TO A SLIGHT EASING OF TEMPERATURES CLOSER TO...BUT STILL ABOVE AVERAGE. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 76 101 76 100 76 / 10 10 10 20 10 AUSTIN BERGSTROM INTL AIRPORT 73 99 73 99 73 / 10 10 10 20 10 NEW BRAUNFELS MUNI AIRPORT 73 99 73 99 72 / 10 10 10 20 20 BURNET MUNI AIRPORT 73 97 72 96 72 / 10 10 10 20 10 DEL RIO INTL AIRPORT 74 99 77 97 76 / 20 10 10 20 20 GEORGETOWN MUNI AIRPORT 76 98 74 97 73 / 10 10 10 20 10 HONDO MUNI AIRPORT 72 100 73 100 73 / 20 10 10 20 20 SAN MARCOS MUNI AIRPORT 73 99 73 99 72 / 10 10 10 20 10 LA GRANGE - FAYETTE REGIONAL 76 99 77 99 76 / 10 20 10 20 10 SAN ANTONIO INTL AIRPORT 76 100 76 100 76 / 20 10 10 20 20 STINSON MUNI AIRPORT 75 101 76 100 75 / 20 10 10 20 20 && .EWX WATCHES/WARNINGS/ADVISORIES... NONE. && MESOSCALE/AVIATION...02 SYNOPTIC/GRIDS...05 PUBLIC SERVICE/DATA COLLECTION...12
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 509 AM CDT WED SEP 4 2013 TXZ171>173-183>194-202>209-217>225-228-051015- 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- 509 AM CDT WED SEP 4 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT... ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS SOUTH CENTRAL TEXAS AND THE HILL COUNTRY THIS MORNING THROUGH THIS EVENING. THE THUNDERSTORMS WILL HAVE THE POTENTIAL TO BECOME STRONG AND PRODUCE WIND GUSTS OF 30 TO 40 MPH AS WELL AS DANGEROUS LIGHTNING...MAINLY DURING THE AFTERNOON AND EVENING HOURS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
341 PM CDT WED SEP 04 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0328 PM TSTM WND GST 5 E NEW BRAUNFELS 29.70N 98.04W
09/04/2013 M53 MPH GUADALUPE TX NWS OFFICE
NEW BRAUNFELS ASOS MEASURED A WIND GUST OF 46 KNOTS.
FEW SMALL LIMBS DOWN AT WFO EWX.
&&
EVENT NUMBER EWX1300552
AATThe Austin/San Antonio radar (KEWX), 58 km away, was scanning. The volume nearest the first event began at 00:50 UTC.
1 thunderstorm wind. Local standard time, as filed.
Public reports via Twitter that tree limbs in the Grand Oaks neighborhood of South Austin were downed. Trees and limbs varied in size from 6 to 12 inches in diameter.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2013Every state in 2013This day in weather historyWarnings in Texas, September 2013
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: 476044.