1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 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 23, 5:49 PM CST, 41 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 649 PM CDT SAT SEP 23 2006 .AVIATION... CURRENT ROUND OF CONVECTION SHOULD DIMINISH IN THE NEXT COUPLE OF HOURS...WITH ANOTHER ROUND POSSIBLE LATER TONIGHT AS A SECOND COLD FRONT PUSH HITS OUR AREA. ONLY MVFR CIGS ARE FORECAST WITH THUNDERSTORMS TONIGHT. LOW LEVEL WINDS WILL GENERALLY BE OUT OF THE NORTH OR NORTHEAST. VFR CONDITIONS FORECAST TO PREVAIL BY 12- 15Z SUNDAY MORNING AS THE FRONT PUSHES SOUTH OF OUR AREA AND CARRIES THUNDERSTORMS WITH IT. && .PREV DISCUSSION... (ISSUED 319 PM CDT SAT SEP 23 2006) DISCUSSION... SHOWERS AND THUNDERSTORMS ARE BACKBUILDING ALONG A COLD FRONT THAT EXTENDS ALONG A WACO TO LLANO TO JUNCTION TO DRYDEN LINE WITH SHOWERS CONTINUING ALONG A GRAVITY WAVE THAT EXTENDS ALONG A COLLEGE STATION TO GONZALES TO PLEASANTON LINE. MEANWHILE, UPPER SHORT-WAVE AND SPEED MAX APPROACHING SOUTH CENTRAL TEXAS, PWS IN THE 1.6 TO 2 INCH RANGE, DECENT SHEAR NOTED ON AREA VWPS, AND CAPES IN THE 2000 TO 4000 J/KG RANGE. THUS THE STAGE IS SET FOR A CONVECTIVELY ACTIVE SATURDAY NIGHT INTO SUNDAY GOING WITH GUIDANCE POPS. MOST OF THE MAIN STORMS TO BE ALONG THE FRONT, HOWEVER SOME BROKEN LINE SEGMENTS AND ISOLATED STORMS WILL BE IN THE VICINITY OF THE FRONT AND BEHIND TO THE 850 MB FRONT. SEVERE STORMS ARE POSSIBLE BASED ON THE ABOVE PARAMETERS WITH DAMAGING WINDS THE MAIN THREAT WITH LESSER CHANCES OF LARGE HAIL AND ROTATING STORMS. PWS WILL RISE TO AROUND 2.5 INCHES ALONG THE FRONT AND TRAINING OF STORMS CAN BE EXPECTED WHICH WILL LEAD TO LOCALLY HEAVY RAINFALL. THERE WILL BE A HIGHER RISK OF FLASH FLOODING IN THE URBAN AREAS OF AUSTIN AND SAN ANTONIO DUE TO MUCH A FASTER HYDROLOGIC RESPONSE THERE. WILL HOLD OFF ON FLASH FLOOD WATCH FOR NOW, HOWEVER EVENING SHIFT MAY HAVE TO ISSUE ON DEPENDING ON HOW PATTERN EVOLVES. RAINS WILL END FROM NORTH TO SOUTH LATER TONIGHT AND SUNDAY AS 850 MB FRONT MOVES ACROSS AREA AND UPPER LEVEL FEATURES MOVE EAST. RIDGES AT THE SURFACE AND ALOFT WILL BUILD INTO THE AREA BY SUNDAY NIGHT INTO MONDAY AND THEN PERSIST INTO MIDDLE OF THE WEEK BRINGING A FEW DAYS OF FAIR WEATHER. FLOW ALOFT CONTINUES TO AMPLIFY LATER IN THE WEEK LEADING TO ANOTHER COLD FRONTAL PASSAGE AND A SLIGHT CHANCE OF SHOWERS WEDNESDAY NIGHT THROUGH FRIDAY. && .EWX WATCHES/WARNINGS/ADVISORIES... NONE. && 03/11/PM/DC
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 510 AM CDT SAT SEP 23 2006 TXZ171>173-183>194-202>209-217>225-228-241015- 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- 510 AM CDT SAT SEP 23 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT... A COLD FRONT WILL MOVE ACROSS SOUTH CENTRAL TEXAS TONIGHT AND EARLY SUNDAY MORNING. THUNDERSTORMS WILL FORM ALONG THE FRONTAL BOUNDARY...BRINGING A GOOD CHANCE FOR RAIN ACROSS THE REGION. THE MAIN THREAT WITH THESE STORMS WILL BE LOCALLY HEAVY RAIN WHICH MAY CAUSE FLASH FLOODING. IN ADDITION...SOME OF THESE STORMS COULD BECOME SEVERE WITH DAMAGING WINDS AND LARGE HAIL...ESPECIALLY ALONG AND EAST OF THE I-35 CORRIDOR. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... THE POTENTIAL FOR HEAVY RAINS AND SEVERE THUNDERSTORMS WILL CONTINUE ALONG THE FRONTAL BOUNDARY THROUGH SUNDAY MORNING AS THE COLD FRONT PROGRESSES SOUTHWARD. THE FRONT IS EXPECTED TO REACH THE TEXAS COAST BY SUNDAY AFTERNOON...ENDING THE SEVERE WEATHER THREAT FOR SOUTH CENTRAL TEXAS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED LATE TONIGHT THROUGH EARLY SUNDAY MORNING.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 351 PM CDT SAT SEP 23 2006 TXZ171>173-183>194-202>209-217>225-228-240500- 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- INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...DEL RIO... ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG... BOERNE...BLANCO...SAN MARCOS...AUSTIN...BASTROP...GIDDINGS... BRACKETTVILLE...UVALDE...HONDO...SAN ANTONIO...NEW BRAUNFELS... SEGUIN...LOCKHART...LA GRANGE...EAGLE PASS...CRYSTAL CITY... PEARSALL...PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES... CUERO...HALLETTSVILLE...CARRIZO SPRINGS 351 PM CDT SAT SEP 23 2006 ...STRONG TO SEVERE STORMS AND LOCALLY HEAVY RAINFALL POSSIBLE TONIGHT INTO EARLY SUNDAY... A SURFACE COLD FRONT AND UPPER LEVEL DISTURBANCE WILL MOVE ACROSS SOUTH CENTRAL TEXAS TONIGHT AND EARLY SUNDAY. THESE FEATURES WILL GENERATE SHOWERS AND THUNDERSTORMS. ATMOSPHERIC CONDITIONS ARE FAVORABLE FOR STRONG TO SEVERE THUNDERSTORMS. THE MAIN THREAT WILL DAMAGING WINDS WITH LESSER CHANCES OF LARGE HAIL AND ROTATING STORMS. LOCALLY HEAVY RAINFALL IS ALSO POSSIBLE WITH STORMS MOVING OVER THE SAME AREAS. MOST AREAS WILL AVERAGE AROUND ONE INCH WITH ISOLATED SPOTS RECEIVING 3 TO 5 INCHES. THE URBAN AREAS OF AUSTIN AND SAN ANTONIO WILL HAVE THE GREATEST RISK OF FLASH FLOODING DUE A FASTER RESPONSE FROM CONCRETED CHANNELS. THE RAINS WILL END FROM NORTH TO SOUTH LATER TONIGHT INTO SUNDAY MORNING. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR UPDATES ON THIS EVOLVING WEATHER EVENT.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
511 PM CDT SAT SEP 23 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0440 PM TSTM WND DMG SPICEWOOD 30.48N 98.17W
09/23/2006 BURNET TX CO-OP OBSERVER
BACK PORCH ROOF DAMAGE. TREES DOWN.
&&
DCPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
548 PM CDT SAT SEP 23 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0535 PM HAIL 11 N AUSTIN 30.47N 97.75W
09/23/2006 M1.00 INCH WILLIAMSON TX PUBLIC
INTERSECTION OF PARMER LANE AND LOOP ONE.
&&
DCThe Laughlin AFB radar (KDFX), 76 km away, was scanning. The volume nearest the first event began at 00:31 UTC.
1 flash flood. Local standard time, as filed.
Thunderstorms dropped 2 to 3 inch rain totals in the Leakey area during the late afternoon. Flash flooding closed FM336 and FM337 through the late evening.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2006Every state in 2006This day in weather historyWarnings in Texas, September 2006
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: 5533735.