Alert archive / Texas / Flash Flood Warnings in 2005

Flash Flood Warning 82, NWS Austin/San Antonio, TX

August 10, 2005Bexar County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Aug 10, 2005, 7:25 AM CDT for Bexar County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 10, 2005, 7:25 AM CDT (12:25 UTC)
Expired
Aug 10, 2005, 10:15 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Bexar County, TX

The radar

The Austin/San Antonio radar (KEWX), 62 km from the middle of the area, began a volume at 12:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 0.4 hours before the alert went out and 218 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Corpus Christi, TX at 12:00Z on 2005-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2267 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 2005-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2267 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
748 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KEWX 101226
FFWEWX
TXC029-101515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
725 AM CDT WED AUG 10 2005

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  BEXAR

* UNTIL 1015 AM CDT

* AT 721 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN THUNDERSTORMS ACROSS BEXAR COUNTY. THE STORMS 
  EXTENDED FROM SOMERSET AND VON ORMY TO DOWNTOWN SAN ANTONIO...
  THEN ACROSS MUCH OF NORTHERN SAN ANTONIO. RAINFALL RATES OF ONE
  INCH PER HOUR WAS NOTED...HOWEVER THEY WILL INCREASE AND PERSIST
  OVER THE SAME AREAS FOR AT LEAST THE NEXT COUPLE OF HOURS. 

* LOCATIONS IN THE WARNING INCLUDE WINDCREST...UNIVERSAL CITY...
  TIMBERWOOD PARK...TERRELL HILLS...SHAVANO PARK...SELMA...SCHERTZ...
  SAN ANTONIO...OLMOS PARK...LIVE OAK...LEON VALLEY...LACKLAND AFB...
  KIRBY...HOLLYWOOD PARK...HILL COUNTRY VILLAGE...CHINA GROVE AND
  ALAMO HEIGHTS.

HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...
COUNTRY ROADS...AND FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

FLASH FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED AREAS. A LITTLE
OVER A FOOT OF WATER CAN CARRY AWAY MOST CARS AND TRUCKS. TURN AROUND
DONT DROWN.

REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.

LAT...LON 2924 9873 2915 9850 2952 9821 2974 9855

$$
4 follow-up statements
000 
WGUS74 KEWX 101258
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
757 AM CDT WED AUG 10 2005

TXC029-101515-
BEXAR TX-
757 AM CDT WED AUG 10 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 1015 AM CDT FOR BEXAR
COUNTY...

AT 756 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER BEXAR COUNTY. 
THE HEAVIEST RAINFALL WAS OVER SOUTHEASTERN PORTIONS OF SAN ANTONIO 
AND EXTENDED NORTH TO NEAR BULVERDE AND NORTHEAST TO UNIVERSAL CITY 
AND SCHERTZ. THESE RAINS WILL IMPACT THE SALADO CREEK DRAINAGE. 
RAINFALL RATES OF 1 TO 2 INCHES PER HOUR CAN BE EXPECTED. 

LOCATIONS IN THE WARNING INCLUDE WINDCREST...UNIVERSAL CITY...TERRELL
HILLS...SHAVANO PARK...SELMA...SCHERTZ...SAN ANTONIO...OLMOS PARK...
LIVE OAK...LEON VALLEY...KIRBY...HOLLYWOOD PARK...HILL COUNTRY
VILLAGE AND ALAMO HEIGHTS.

HEAVY RAINFALL WILL CAUSE FLASH FLOODING OVER SMALL CREEKS AND
STREAMS...URBAN AREAS...HIGHWAYS...STREETS...UNDERPASSES AND POORLY
DRAINED AREAS.

FLASH FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED AREAS. A LITTLE
OVER A FOOT OF WATER CAN CARRY AWAY MOST CARS AND TRUCKS. TURN AROUND
DONT DROWN.

REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.

LAT...LON 2924 9873 2915 9850 2952 9821 2974 9855

$$
000 
WGUS74 KEWX 101326
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
826 AM CDT WED AUG 10 2005

TXC029-101515-
BEXAR TX-
826 AM CDT WED AUG 10 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 1015 AM CDT FOR BEXAR
COUNTY...

AT 821 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING VERY HEAVY RAIN ACROSS NORTHEASTERN 
BEXAR COUNTY. THE HEAVIEST RAINS WERE OVER CONVERSE AND UNIVERSAL 
CITY AND EXTENDED NORTHWEST TO NEAR STONE OAK AND BULVERDE. RAINFALL 
RATES OF 1 TO 2 INCHES PER HOUR WERE NOTED. 

LOCATIONS IN THE WARNING INCLUDE WINDCREST...UNIVERSAL CITY...TERRELL
HILLS...SHAVANO PARK...SELMA...SCHERTZ...SAN ANTONIO...OLMOS PARK...
LIVE OAK...LEON VALLEY...KIRBY...HOLLYWOOD PARK...HILL COUNTRY
VILLAGE AND ALAMO HEIGHTS.

HEAVY RAINFALL WILL CAUSE FLASH FLOODING OVER SMALL CREEKS AND
STREAMS...URBAN AREAS...HIGHWAYS...STREETS...UNDERPASSES AND POORLY
DRAINED AREAS.

REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.

LAT...LON 2924 9873 2915 9850 2952 9821 2974 9855

$$
000 
WGUS74 KEWX 101414
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
912 AM CDT WED AUG 10 2005

TXC029-101515-
BEXAR TX-
912 AM CDT WED AUG 10 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 1015 AM CDT FOR BEXAR
COUNTY...

AT 909 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE 
VERY HEAVY RAIN HAD MOVED NORTHEAST OF BEXAR COUNTY. HOWEVER... 
ISOLATED SHOWERS AND THUNDERSTORMS WITH LIGHT TO MODERATE RAINS 
CONTINUED. 

FLASH FLOODING WILL CONTINUE FROM EARLIER VERY HEAVY RAINFALL. 

HEAVY RAINFALL WILL CAUSE FLASH FLOODING OVER SMALL CREEKS AND
STREAMS...URBAN AREAS...HIGHWAYS...STREETS...UNDERPASSES AND POORLY
DRAINED AREAS.

REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.

LAT...LON 2924 9873 2915 9850 2952 9821 2974 9855

$$
000 
WGUS74 KEWX 101441
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
939 AM CDT WED AUG 10 2005

TXC029-101515-
BEXAR TX-
939 AM CDT WED AUG 10 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 1015 AM CDT FOR BEXAR
COUNTY...

AT 934 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER NORTHWESTERN 
BEXAR COUNTY FROM HELOTES TO STONE OAK...THEN NORTHWEST TO NEAR 
BOERNE AND BULVERDE. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WERE 
NOTED. 

LOCATIONS IN THE WARNING INCLUDE WINDCREST...UNIVERSAL CITY...TERRELL
HILLS...SHAVANO PARK...SELMA...SCHERTZ...SAN ANTONIO...OLMOS PARK...
LIVE OAK...LEON VALLEY...KIRBY...HOLLYWOOD PARK...HILL COUNTRY
VILLAGE AND ALAMO HEIGHTS.

HEAVY RAINFALL WILL CAUSE FLASH FLOODING OVER SMALL CREEKS AND
STREAMS...URBAN AREAS...HIGHWAYS...STREETS...UNDERPASSES AND POORLY
DRAINED AREAS.

HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...
COUNTRY ROADS...AND FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

LAT...LON 2924 9873 2915 9850 2952 9821 2974 9855

$$

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 9, 7:11 PM CDTSevere Thunderstorm WarningEWXKinney, Uvalde64 min
Aug 9, 7:38 PM CDTSevere Thunderstorm WarningEWXVal Verde67 min
Aug 9, 8:13 PM CDTSevere Thunderstorm WarningEWXZavala62 min
Aug 9, 8:16 PM CDTSevere Thunderstorm WarningEWXKinney, Uvalde59 min
Aug 9, 9:11 PM CDTFlash Flood WarningEWXUvalde, Zavala3 hr
Aug 9, 11:16 PM CDTFlash Flood WarningEWXMedina119 min
Aug 10, 6:50 AM CDTFlash Flood WarningEWXBandera, Kerr3 hr
Aug 10, 7:17 AM CDTFlash Flood WarningEWXKendall3 hr
Aug 10, 8:37 AM CDTFlash Flood WarningEWXComal, Guadalupe3 hr
Aug 10, 8:52 AM CDTFlash Flood WarningEWXUvalde3 hr
Aug 10, 9:45 AM CDTFlash Flood WarningEWXBandera, Medina3 hr
Aug 10, 10:14 AM CDTFlash Flood WarningEWXBexar3 hr
Aug 10, 10:26 AM CDTFlash Flood WarningEWXReal3 hr
Aug 10, 11:25 AM CDTFlash Flood WarningEWXTravis3 hr
Aug 10, 12:05 PM CDTFlash Flood WarningEWXWilliamson115 min
Aug 10, 12:18 PM CDTFlash Flood WarningEWXGillespie, Kerr3 hr
Aug 10, 12:35 PM CDTFlash Flood WarningEWXKinney, Maverick3 hr
Aug 10, 12:45 PM CDTFlash Flood WarningEWXBandera, Medina3 hr
Aug 10, 1:43 PM CDTSevere Thunderstorm WarningEWXMaverick62 min
Aug 10, 2:16 PM CDTFlash Flood WarningEWXUvalde, Zavala3 hr
Aug 10, 2:58 PM CDTFlash Flood WarningEWXAtascosa, Wilson3 hr
Aug 10, 5:44 PM CDTFlash Flood WarningEWXKarnes3 hr
Aug 10, 5:53 PM CDTFlash Flood WarningEWXDeWitt3 hr

Nearby

Flash Flood Warnings in Texas, 2005Every flash flood warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.