Alert archive / Texas / Flash Flood Warnings in 2005

Flash Flood Warning 86, NWS Austin/San Antonio, TX

August 10, 2005Bexar County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Aug 10, 2005, 10:14 AM CDT for Bexar County, Texas. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 10, 2005, 10:14 AM CDT (15:14 UTC)
Expired
Aug 10, 2005, 1:15 PM 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), 54 km from the middle of the area, began a volume at 15:17 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.

What was reported inside it

TimeReportWhereRemark
Aug 10, 10:22 AM CDTFLOOD5 Se Bulverde, TXHIGHWAY INTERSECTION 46 AND 281 IS UNDER WATER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 3.2 hours before the alert went out and 221 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, Del Rio, TX at 12:00Z on 2005-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 829 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, Del Rio, TX at 12:00Z on 2005-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
829 J/kg
Mixed-layer CIN
-184 J/kg
Mixed-layer LCL
914 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KEWX 101514
FFWEWX
TXC029-101815-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1014 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 115 PM CDT

* AT 1013 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE TIMBERWOOD PARK...THE DOMINION...
  SHAVANO PARK...LEON SPRINGS...HOLLYWOOD PARK...HILL COUNTRY
  VILLAGE...FAIR OAKS RANCH AND CROSS MOUNTAIN.

LAT...LON 2946 9879 2946 9835 2953 9830 2972 9841
      2975 9857 2970 9880

$$
4 follow-up statements
000 
WGUS74 KEWX 101519
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1016 AM CDT WED AUG 10 2005

TXC029-101815-
BEXAR TX-
1016 AM CDT WED AUG 10 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 115 PM CDT FOR BEXAR
COUNTY...

AT 1013 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER NORTHERN BEXAR 
COUNTY. THE VERY HEAVY RAINS CONTINUED FROM HELOTES AND FAIR OAKS 
RANCH EAST TO STONE OAK...HOLLYWOOD PARK...AND HILL COUNTRY 
VILLAGE...THEN TO LIVE OAK AND SELMA. RAINFALL RATES OF 1 TO 2 
INCHES PER HOUR WERE NOTED. 

LOCATIONS IN THE WARNING INCLUDE TIMBERWOOD PARK...THE DOMINION...
LEON SPRINGS...FAIR OAKS RANCH AND CROSS MOUNTAIN.

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.

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

LAT...LON 2946 9879 2946 9835 2953 9830 2972 9841
      2975 9857 2970 9880

$$
000 
WGUS74 KEWX 101605
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1104 AM CDT WED AUG 10 2005

TXC029-101815-
BEXAR TX-
1104 AM CDT WED AUG 10 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 115 PM CDT FOR BEXAR
COUNTY...

AT 1100 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORM PRODUCING MODERATE TO HEAVY RAIN OVER 
PORTIONS OF BEXAR COUNTY FROM LOOP 1604 NORTH TO THE CIBOLO CREEK. 

LOCATIONS IN THE WARNING INCLUDE TIMBERWOOD PARK...THE DOMINION...
LEON SPRINGS...HOLLYWOOD PARK...FAIR OAKS RANCH...CROSS MOUNTAIN
...AND STONE OAK.

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 2946 9879 2946 9835 2953 9830 2972 9841
      2975 9857 2970 9880

$$
000 
WGUS74 KEWX 101651
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1150 AM CDT WED AUG 10 2005

TXC029-101815-
BEXAR TX-
1150 AM CDT WED AUG 10 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 115 PM CDT FOR BEXAR
COUNTY...

AT 1149 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
ONLY LIGHT TO MODERATE RAINS ACROSS FAR NORTHERN BEXAR COUNTY ALONG 
THE CIBOLO CREEK. RAINFALL RATES OF LESS THAN ONE HALF INCH PER HOUR 
WERE NOTED. SOME FLOODING IS STILL POSSIBLE FROM THE EARLIER HEAVY 
RAINS. 

LOCATIONS IN THE WARNING INCLUDE TIMBERWOOD PARK...THE DOMINION...
LEON SPRINGS...FAIR OAKS RANCH AND CROSS MOUNTAIN.

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

LAT...LON 2946 9879 2946 9835 2953 9830 2972 9841
      2975 9857 2970 9880

$$
000 
WGUS74 KEWX 101751
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1248 PM CDT WED AUG 10 2005

TXC029-101815-
BEXAR TX-
1248 PM CDT WED AUG 10 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 115 PM CDT FOR BEXAR
COUNTY...

AT 1244 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
SCATTERED LIGHT RAIN ACROSS BEXAR COUNTY. HOWEVER...THUNDERSTORMS 
PRODUCING VERY HEAVY RAIN WERE NOTED JUST WEST OF BEXAR COUNTY IN 
MEDINA COUNTY AND THUNDERSTORMS DEVELOPING JUST SOUTH OF BEXAR 
COUNTY IN ATASCOSA COUNTY. THIS RAIN WILL MOVE INTO BEXAR COUNTY AND 
THE FLASH FLOOD WARNING WILL LIKELY BE EXTENDED AFTER 115 PM AND 
INCLUDE MOST OF BEXAR COUNTY.  

LOCATIONS IN THE WARNING INCLUDE TIMBERWOOD PARK...THE DOMINION...
LEON SPRINGS...FAIR OAKS RANCH AND CROSS MOUNTAIN.

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 2946 9879 2946 9835 2953 9830 2972 9841
      2975 9857 2970 9880

$$

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, 7:25 AM CDTFlash Flood WarningEWXBexar3 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, 10:26 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.