Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 34, NWS Austin/San Antonio, TX

June 13, 2003Val Verde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 13, 2003, 4:32 PM CDT for Val Verde County, Texas. It was in force for 118 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 13, 2003, 4:32 PM CDT (21:32 UTC)
Expired
Jun 13, 2003, 6:30 PM CDT
In force
118 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Val Verde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 9.5 hours before the alert went out and 18 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 2003-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3986 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 2003-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.19395878Sfc1 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
3986 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
609 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
2.3
Supercell composite
9.4

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KEWX 132134
FFWSAT
TXC465-132330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
432 PM CDT FRI JUN 13 2003

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  VAL VERDE

* UNTIL 630 PM CDT

* AT 432 PM...WEATHER SERVICE DOPPLER RADAR INDICATED AREAS OF 
HEAVY RAIN FORMING IN THE DEL RIO AREA...FROM SHOWERS AND 
THUNDERSTORMS.  ADDITIONAL SHOWER AND THUNDERSTORMS DEVELOPMENT
IS FORMING WEST OF DEL RIO...MOVING EAST AT 10 MPH.  

PERIODS OF HEAVY RAIN ARE EXPECTED IN THE DEL RIO AREA FOR THE NEXT
HOUR...CAUSING FLOODING AT LOW WATER CROSSINGS AND OTHER LOW LYING
AREAS. 

MOTORISTS SHOULD AVOID LOW WATER CROSSINGS...WHERE FLOODING IS 
LIKELY...AND OTHER ROADS IN LOW LYING AND FLOOD PRONE AREAS.

LAT...LON 2967 10115 2922 10074 2941 10074 2964 10079

$$
3 follow-up statements
000 
WGUS74 KEWX 132156
FFSSAT
TXC465-142330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
454 PM CDT FRI JUN 13 2003

...A FLASH FLOOD WARNING CONTINUES FOR VAL VERDE COUNTY UNTIL 630 PM
CDT...

A FLASH FLOOD WARNING CONTINUES FOR VAL VERDE COUNTY THROUGH 630 PM.
AREAS OF RAIN...FROM SHOWERS AND THUNDERSTORMS...CONTINUES TO FORM
NOT ONLY IN THE DEL RIO AREA...ALSO TO THE NORTH...WEST AND SOUTH OF 
DEL RIO.  AREAS OF RAIN...HEAVY AT TIMES... IS EXPECTED TO AFFECT THE
SOUTHERN PART OF VAL VERDE COUNTY AND DEL RIO THROUGH 630 PM. 

MOTORISTS ARE ADVISED TO AVOID LOW WATER CROSSINGS OR ROADS THAT PASS
INTO LOW LYING AREAS...WHERE FLOODING IS LIKELY FROM RUNOFF WHERE
HEAVY RAINS FALL.  

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.

$$
000 
WGUS74 KEWX 132202
FFSSAT
TXC465-142330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
501 PM CDT FRI JUN 13 2003

...A FLASH FLOOD WARNING CONTINUES FOR VAL VERDE COUNTY UNTIL 630 PM
CDT...

A FLASH FLOOD WARNING CONTINUES FOR VAL VERDE COUNTY THROUGH 630 PM.
AREAS OF RAIN...FROM SHOWERS AND THUNDERSTORMS...CONTINUES TO FORM
NOT ONLY IN THE DEL RIO AREA...ALSO TO THE NORTH...WEST AND SOUTH OF 
DEL RIO.  AREAS OF RAIN...HEAVY AT TIMES... IS EXPECTED TO AFFECT THE
SOUTHERN PART OF VAL VERDE COUNTY AND DEL RIO THROUGH 630 PM. 

IN ADDITION...WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THESE
THUNDERSTORMS IN THE DEL RIO AREA...ALONG WITH OCCASIONAL LIGHTNING.

MOTORISTS ARE ADVISED TO AVOID LOW WATER CROSSINGS OR ROADS THAT PASS
INTO LOW LYING AREAS...WHERE FLOODING IS LIKELY FROM RUNOFF WHERE
HEAVY RAINS FALL.  

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.

$$
000 
WGUS74 KEWX 132245
FFSSAT
TXC465-132330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
544 PM CDT FRI JUN 13 2003

...THE FLASH FLOOD WARNING FOR VAL VERDE COUNTY HAS BEEN CANCELLED...

NATIONAL WEATHER SERVICE RADAR INDICATED THE RAINFALL WAS ENDING
ACROSS THE WARNED AREA...AND THE FLOOD THREAT WAS DIMINISHING. SOME
MINOR FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING HAS
ENDED...AND THE FLASH FLOOD WARNING HAS BEEN CANCELLED.

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 10:08 AM CDTSevere Thunderstorm WarningEWXVal Verde37 min
Jun 13, 11:38 AM CDTSevere Thunderstorm WarningEWXVal Verde52 min
Jun 13, 3:16 PM CDTTornado WarningEWXKendall44 min
Jun 13, 3:46 PM CDTSevere Thunderstorm WarningEWXComal59 min
Jun 13, 3:58 PM CDTSevere Thunderstorm WarningEWXHays62 min
Jun 13, 4:15 PM CDTSevere Thunderstorm WarningEWXTravis, Williamson60 min
Jun 13, 4:41 PM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell, Guadalupe64 min
Jun 13, 4:47 PM CDTSevere Thunderstorm WarningEWXKinney, Maverick73 min
Jun 13, 5:18 PM CDTSevere Thunderstorm WarningEWXLee57 min
Jun 13, 5:34 PM CDTSevere Thunderstorm WarningEWXFayette56 min
Jun 13, 6:20 PM CDTSevere Thunderstorm WarningEWXZavala40 min
Jun 13, 6:31 PM CDTFlash Flood WarningEWXBandera, Bexar, Blanco, Comal, Gillespie, Hays and 4 more3 hr
Jun 13, 6:47 PM CDTSevere Thunderstorm WarningEWXMedina58 min
Jun 13, 6:51 PM CDTSevere Thunderstorm WarningEWXFrio54 min

Nearby

Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003

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.