4 flash flood, 1 hail, as filed by the National Weather Service.
Every event with a place to put it; 4 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 May 7, 10:14 PM CST, 41 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1114 PM CDT SUN MAY 7 2006 .DISCUSSION... LINE OF STORMS CONTINUES TO TRACK EAST ACROSS WEST-CENTRAL TEXAS WITH LITTLE IF ANY WEAKENING. AS A RESULT, WILL BOOST POPS FOR THE NORTHERN HILL COUNTRY INTO THE AUSTIN METROPOLITAN AREA. ALSO, WILL MENTION POSSIBLE SEVERE AND LOCALLY HEAVY RAINFALL FOR THAT AREA. FINALLY, WILL CANCEL SEVERE THUNDERSTORM WATCH FOR VAL VERDE COUNTY AND MAINTAIN FOR LAST HOUR FOR EDWARDS AND REAL COUNTIES. && .PREV DISCUSSION... (ISSUED 953 PM CDT SUN MAY 7 2006) UPDATE... NATIONAL WEATHER SERVICE RADARS SHOW SEVERE STORM HAS MANAGED TO STAY JUST NORTH OF VAL VERDE COUNTY NORTH OF JUNO WHILE A LINE OF STORMS HAS DEVELOPED FROM THIS STORM NORTHEAST TO NEAR BRADY. THE LINE WAS MOVING EAST. LOW LEVEL JET IS INTENSIFYING AND HAVE EXTENDED 30 POPS EAST TO THE AUSTIN AREA AND BOOSTED TO 40 NORTH OF A HARPER TO MARBLE FALLS TO FLORENCE LINE AND MAINTAINED POPS DURING THE OVERNIGHT HOURS. OTHERWISE, ONGOING SOUTH CENTRAL TEXAS FORECAST GENERALLY ON TRACK, HOWEVER IF A SHORT-WAVE NEAR BAJA CALIFORNIA MAINTAINS ITS CURRENT PATH, POPS MAY HAVE TO BE RAISED FOR MONDAY INTO MONDAY EVENING. PREV DISCUSSION... (ISSUED 637 PM CDT SUN MAY 7 2006) AVIATION... WARM FRONT ACROSS THE REGION FROM WHARTON TO THREE RIVERS TO UVALDE WILL BE THE FOCUS FOR SHOWERS AND THUNDERSTORMS THIS EVENING AND INTO THE OVERNIGHT HOURS. OVER THE RIO GRANDE REGION SEVERE THUNDERSTORMS ARE POSSIBLE UNTIL 05Z. LARGE HAIL AND DAMAGING WINDS WOULD BE THE PRIMARY THREATS. VFR WILL PREVAIL AT TAF SITES THROUGH 08Z...OUTSIDE OF SHRA/TSRA...THEN MVFR AT KDRT AND KSAT...WITH IFR AT KAUS. AFTER 15Z CIGS AND VSBYS IMPROVE AND VFR ARE EXPECTED. PREV DISCUSSION... (ISSUED 609 PM CDT SUN MAY 7 2006) UPDATE... THUNDERSTORMS BEGINNING TO DEVELOP ALONG WARM FRONT EXTENDING FROM WHARTON TO THREE RIVERS TO UVALDE TO SONORA. THIS FRONT WILL MOVE NORTH ACROSS SOUTH CENTRAL TEXAS TONIGHT. HAVE UPDATED TO INCLUDE 20 POPS FOR THE REMAINDER OF SOUTH CENTRAL TEXAS, EXCEPT NORTHEAST PARTS WHERE IT WILL REACH LAST AND WELL AFTER SUNSET WHEN STORMS SHOULD DISSIPATE. PREV DISCUSSION... (ISSUED 502 PM CDT SUN MAY 7 2006) UPDATE... HAVE UPDATED TO INCLUDE SEVERE THUNDERSTORM WATCH #305 FOR REAL, EDWARDS, AND VAL VERDE COUNTIES. BREAKS IN THE CLOUDS HAVE ALLOWED STORMS TO DEVELOP OVER THE TRANS-PECOS TO SIERRA MADRE AREA. CORFIDI VECTORS WILL TAKE THESE INTO THE SOUTHERN EDWARDS PLATEAU, ESPECIALLY RIGHT MOVING SUPERCELLS. BASED ON 18Z ETA, HAVE INTRODUCED SLIGHT POPS FURTHER EAST ACROSS THE HILL COUNTRY AND JUST EAST OF THE RIO GRANDE PLAINS. HAVE ALSO MENTIONED POSSIBLY SEVERE FOR KINNEY AND MAVERICK COUNTIES, ALTHOUGH CLOUD COVER JUST WEST OF THE RIO GRANDE MAKES THIS AREA SLIGHTLY LESS LIKELY THAN FURTHER NORTH. PREV DISCUSSION... (ISSUED 310 PM CDT SUN MAY 7 2006) DISCUSSION... CLOUD COVER AND WET SOIL KEEPING AFTERNOON TEMPS DOWN THIS AFTERNOON. STILL A POSSIBILITY OF A FEW LATE AFTERNOON/EARLY EVENING SHOWERS OR THUNDERSTORMS AS TEMPS FINALLY EXCEED THE TRIGGER TEMP. THE BEST CHANCE THIS EVENING WILL BE ACROSS VAL VERDE COUNTY. STATIONARY FRONT DRAPED ACROSS THE SOUTHERN CWFA WILL LIFT NORTHWARD OVERNIGHT AS A WARM FRONT. MONDAY THE CWFA WILL ONCE AGAIN EXPERIENCE MOIST LOW LEVEL FLOW FROM THE GULF. ISOLATED AFTERNOON AND EVENING TSTMS WILL BE POSSIBLE ON MONDAY AS A WEAK IMPULSE IN THE SOUTHWEST FLOW ALOFT TRAVERSES SOUTH CENTRAL TEXAS. THE MAIN EVENT THIS WEEK WILL BE TUESDAY AND TUESDAY NIGHT. A SOUTHERN STREAM SHORTWAVE TROF CURRENTLY LOCATED OVER BAJA CALIFORNIA IS FCST TO MOVE ACROSS SOUTH TEXAS TUESDAY NIGHT. SYNOPTIC SCALE ASCENT IN ADVANCE OF THE UPPER TROF WILL RESULT IN SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS TUESDAY AFTERNOON AND TUESDAY NIGHT. LOCALLY HEAVY RAINFALL AND SEVERE TSTMS WILL BE POSSIBLE DURING THIS TIME FRAME. THE CONVECTIVE COMPLEX WILL BE EAST OF THE CWFA BY WEDNESDAY MORNING. NORTHWEST FLOW ALOFT SETS UP BY THE END OF THE WEEK BRINGING RAIN CHANCES TO THE NORTHEAST HALF OF THE CWFA. MCSS DEVELOPING ACROSS THE TEXAS PANHANDLE/NORTHWEST TEXAS COULD RIDE DOWN THE NORTHEAST PERIFERY OF THE UPPER RIDGE IMPACTING THE NORTHEAST HALF OF THE REGION SOME TIME THIS WEEKEND. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 69 90 72 90 / 40 20 20 40 AUSTIN BERGSTROM INTL AIRPORT 68 89 71 88 / 30 20 20 50 DEL RIO INTL AIRPORT 73 95 73 92 / 20 10 20 30 SAN ANTONIO INTL AIRPORT 71 89 72 88 / 20 20 20 50 && .EWX WATCHES/WARNINGS/ADVISORIES... NONE. && 04/10
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 503 PM CDT SUN MAY 7 2006 TXZ171>173-183>194-202>209-217>225-228-082215- 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- 503 PM CDT SUN MAY 7 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TONIGHT CONDITIONS HAVE BECOME UNSTABLE OVER THE RIO GRANDE REGION AND SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP DURING THE EVENING HOURS AND MOVE EAST. THE MAIN THREATS FROM THE THUNDERSTORMS WILL BE LARGE HAIL AND DAMAGING WINDS...BUT HEAVY RAINFALL...CAUSING LOCALIZED FLOODING WILL ALSO BE LIKELY WITH THE STORMS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THERE WILL BE ANOTHER CHANCE FOR SHOWERS AND THUNDERSTORMS LATE MONDAY NIGHT THROUGH TUESDAY AND EVEN INTO TUESDAY EVENING ACROSS SOUTH CENTRAL TEXAS...AS ANOTHER STRONG UPPER LEVEL SYSTEM MOVES ACROSS THE AREA FROM THE WEST. SOME OF THE THUNDERSTORMS MAY BE SEVERE...WITH LARGE HAIL AND DAMAGING WINDS. THE STORMS WILL ALSO PRODUCE VERY HEAVY RAINFALL THAT WILL LIKELY CAUSE FLOODING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS EVENING AND AGAIN ON TUESDAY.
The Austin/San Antonio radar (KEWX), 135 km away, was scanning. The volume nearest the first event began at 04:54 UTC.
4 flash flood, 1 hail. Local standard time, as filed.
Golfball-sized hail dented vehicle bodies, broke windows of cars and homes in the Harper area.
Between 1 and 2 inches of rain fell in northwestern Gillespie County in the midnight period, with the highest totals of 3 inches near Harper. Flash flooding closed several roads between Doss and Harper, including FM783.
From 1 to 3 inches of rain fell in the area around Mountain Home shortly after midnight. Flash flooding closed several roads in the area, including FM479.
Thunderstorms produced general 1 inch rainfall over northern Williamson County, with totals of 3 to 4 inches between Florence and Jarrell. Flash flooding closed roads around Jarrell, closing SH195 and FM487.
Rainfall of between 2 and 3 inches in the Cypress Mill area caused flash flooding in the early morning hours. Among the roads closed was FM962.
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, May 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: 5507025, 5507026, 5507027, 5507028, 5507029.