A severe thunderstorm produced heavy rainfall and flash flooding in Val Verde County.
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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 severe thunderstorm produced heavy rainfall and flash flooding in Val Verde County.
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 Apr 29, 11:29 PM CST, 1 hour 31 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1229 AM CDT MON APR 30 2007 .AVIATION... A MESOSCALE CONVECTIVE COMPLEX HAS DEVELOPED ACROSS NORTHERN MEXICO AND NORTHWEST TEXAS THIS EVENING. THIS COMPLEX OF SHOWERS AND THUNDERSTORMS WILL MOVE EAST ACROSS SOUTH CENTRAL TEXAS AND THE HILL COUNTRY OVERNIGHT. THE THUNDERSTORM COMPLEX WILL IMPACT KDRT BY 06Z AND MOVE ACROSS THE I-35 TAF SITES AFTER 10Z. IFR/MVFR CONDITIONS WILL OCCUR WITH THE PASSAGE OF THESE STORMS. PRIOR TO THE ARRIVAL OF THE THUNDERSTORM ACTIVITY...MVFR CIGS WILL PREVAIL AT THE I-35 TAF SITES DUE TO STRONG RETURN GULF FLOW IN ADVANCE OF THE MCS. THERE WILL BE A LULL IN THE CONVECTION LATE MONDAY MORNING. HOWEVER ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP IN THE AFTERNOON AS THE UPPER LEVEL STORM SYSTEM MOVES EAST ACROSS CENTRAL TEXAS. PLEASE NOTE THE FAA AWOS AT KHYI HAS BEEN REPORTING SPURIOUS CEILINGS OF 2 TO 3 HUNDRED FT. THE FAA HAS ISSUED AT NOTAM STATING KHYI IS OTS. KHYI WILL HAVE A NIL TAF. HOPEFULLY REPAIRS WILL BE MADE ON MONDAY. && .PREV DISCUSSION... /ISSUED 759 PM CDT SUN APR 29 2007/ UPDATE... HAVE UPDATED THE FORECASTS TO INCLUDE TORNADO WATCH 200 FOR WESTERN AREAS OF SOUTH CENTRAL TEXAS. CONVECTIVE PARAMETERS SUGGEST AN MCS WILL ORGANIZE AS THUNDERSTORMS COME OFF THE SIERRA MADRE THEN CROSS THE RIO GRANDE AND MOVE INTO SOUTH CENTRAL TEXAS. HAVE ALSO ADDED MENTION OF SEVERE AND LOCALLY HEAVY RAINFALL FOR AREAS AROUND THE I-35 CORRIDOR FOR LATER TONIGHT SHOULD MCS HOLD TOGETHER. HAVE ADDED MENTION OF SEVERE TO THE ALREADY MENTIONED LOCALLY HEAVY RAINFALL FOR MONDAY AND MONDAY NIGHT AS UPPER LOW MOVES THROUGH. FLASH FLOOD WATCH MAY HAVE TO BE EXTENDED INTO THOSE PERIODS AS WELL AS EXTENDED FURTHER EAST. FINALLY, HAVE LOWERED POPS FOR THIS EVENING IN THE EAST. OTHERWISE, ONGOING FORECAST GENERALLY ON TRACK WITH ONLY OTHER CHANGES TO THE SENSIBLE WEATHER GRIDS FOR TONIGHT. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 67 79 65 81 68 / 60 60 60 50 30 AUSTIN BERGSTROM INTL AIRPORT 66 79 65 82 66 / 60 60 60 50 30 DEL RIO INTL AIRPORT 64 79 68 89 69 / 90 60 40 20 10 SAN ANTONIO INTL AIRPORT 67 79 67 83 67 / 60 60 60 50 10 && .EWX WATCHES/WARNINGS/ADVISORIES... FLASH FLOOD WATCH THROUGH MONDAY MORNING FOR THE FOLLOWING ZONES: DIMMIT...EDWARDS...KINNEY...MAVERICK...REAL...UVALDE...VAL VERDE... ZAVALA. && 05/13
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 815 PM CDT SUN APR 29 2007 TXZ171>173-188>194-205>209-220>225-301100- LLANO-BURNET-WILLIAMSON-GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS- BASTROP-LEE-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-ATASCOSA- WILSON-KARNES-GONZALES-DE WITT-LAVACA- 815 PM CDT SUN APR 29 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL TEXAS. .DAY ONE...TONIGHT... AN UPPER LEVEL LOW PRESSURE SYSTEM WEST OF THE BIG BEND WILL DRIFT SLOWLY EASTWARD THROUGH THE NEXT TWO DAYS. THE SYSTEM WILL PRODUCED SCATTERED SHOWERS AND THUNDERSTORMS THIS EVENING BECOMING MORE NUMEROUS OVERNIGHT. LOCALLY HEAVY RAINFALL IS POSSIBLE TONIGHT. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NUMEROUS THUNDERSTORMS WILL CONTINUE ACROSS SOUTH CENTRAL TEXAS ON MONDAY...DECREASING SLIGHTLY IN COVERAGE BY TUESDAY. THERE WILL BE A CHANCE FOR ISOLATED SEVERE STORMS BOTH DAYS ALONG WITH A THREAT OF FLASH FLOODING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. TXZ183>185-202-203-217-218-228-301100- VAL VERDE-EDWARDS-REAL-KINNEY-UVALDE-MAVERICK-ZAVALA-DIMMIT- 815 PM CDT SUN APR 29 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL TEXAS. .DAY ONE...TONIGHT... ...FLASH FLOOD WATCH IN EFFECT FROM 7 PM THIS EVENING THROUGH MONDAY MORNING... AN UPPER LEVEL LOW PRESSURE SYSTEM WEST OF THE BIG BEND WILL DRIFT SLOWLY EASTWARD THROUGH THE NEXT TWO DAYS. THE SYSTEM WILL PRODUCED SCATTERED SHOWERS AND THUNDERSTORMS THIS EVENING BECOMING MORE NUMEROUS OVERNIGHT. SOME OF THE STORMS TONIGHT WILL BE SEVERE AND WILL ALSO PRODUCE HEAVY RAINFALL AND POSSIBLE FLASH FLOODING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NUMEROUS THUNDERSTORMS WILL CONTINUE ACROSS SOUTH CENTRAL TEXAS ON MONDAY...DECREASING SLIGHTLY IN COVERAGE BY TUESDAY. THERE WILL BE A CHANCE FOR ISOLATED SEVERE STORMS BOTH DAYS ALONG WITH A THREAT OF FLASH FLOODING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT. TXZ186-187-204-219-301100- KERR-BANDERA-MEDINA-FRIO- 815 PM CDT SUN APR 29 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL TEXAS. .DAY ONE...TONIGHT... AN UPPER LEVEL LOW PRESSURE SYSTEM WEST OF THE BIG BEND WILL DRIFT SLOWLY EASTWARD THROUGH THE NEXT TWO DAYS. THE SYSTEM WILL PRODUCED SCATTERED SHOWERS AND THUNDERSTORMS THIS EVENING BECOMING MORE NUMEROUS OVERNIGHT. SOME OF THE STORMS TONIGHT WILL BE SEVERE AND WILL ALSO PRODUCE HEAVY RAINFALL AND POSSIBLE FLASH FLOODING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NUMEROUS THUNDERSTORMS WILL CONTINUE ACROSS SOUTH CENTRAL TEXAS ON MONDAY...DECREASING SLIGHTLY IN COVERAGE BY TUESDAY. THERE WILL BE A CHANCE FOR ISOLATED SEVERE STORMS BOTH DAYS ALONG WITH A THREAT OF FLASH FLOODING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 950 PM CDT SUN APR 29 2007 TXZ183-202-217-300400- VAL VERDE-KINNEY-MAVERICK- INCLUDING THE CITIES OF...DEL RIO...BRACKETTVILLE...EAGLE PASS 950 PM CDT SUN APR 29 2007 ...A SEVERE THUNDERSTORM IN MEXICO CAPABLE OF PRODUCING A TORNADO APPROACHING THE RIO GRANDE NEAR QUEMADO... A SEVERE THUNDERSTORM LOCATED IN MEXICO ABOUT 25 MILES WEST OF QUEMADO WAS MOVING GENERALLY EASTWARD AT ABOUT 20 MPH. THIS STORM CONTAINS VERY LARGE HAIL...POSSIBLE DAMAGING WINDS AND IS CAPABLE OF PRODUCING A TORNADO. THIS STORM WILL LIKELY CROSS THE RIO GRANDE NEAR OR JUST NORTH OF QUEMADO BETWEEN 1030 PM AND 11 PM. PERSONS IN THE PATH OF THIS STORM SHOULD BE PREPARED TO TAKE SHELTER WHEN A WARNING IS ISSUED FOR THIS STORM.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1128 PM CDT SUN APR 29 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1053 PM HAIL QUEMADO 28.95N 100.63W
04/29/2007 E0.88 INCH MAVERICK TX LAW ENFORCEMENT
1058 PM HAIL 3 SE QUEMADO 28.92N 100.60W
04/29/2007 E1.75 INCH MAVERICK TX LAW ENFORCEMENT
GOLFBALL SIZE HAIL IN NORMANDY REPORTED BY SHERIFFS
OFFICE
&&
JPBThe Laughlin AFB radar (KDFX), 97 km away, was scanning. The volume nearest the first event began at 06:59 UTC.
1 flash flood. Local standard time, as filed.
Early morning thunderstorms produced between 2 and 3 inches of rain across central Val Verde County. Up to 5 inches fell near Comstock, closing SH163 and FM1024 due to flash flooding.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2007Every state in 2007This day in weather historyWarnings in Texas, April 2007
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: 27731.