Alert archive / Texas / Flash Flood Warnings in 1995

Flash Flood Warning 3, NWS Austin/San Antonio, TX

April 4, 1995Val Verde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Apr 4, 1995, 3:27 AM CDT for Val Verde County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 4, 1995, 3:27 AM CDT (08:27 UTC)
Expired
Apr 4, 1995, 7:30 AM CDT
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Val Verde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 8.5 hours before the alert went out and 66 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 00:00Z on 1995-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 830 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 1995-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
830 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
1417 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 040826
FFWSAT
TXC465-041230-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
327 AM CDT TUE APR 4 1995
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  730 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...VAL VERDE COUNTY
 
AT 320 AM CDT STRONG THUNDERSTORMS WITH VERY HEAVY RAIN HAD MOVED ACROSS
THE RIO GRANGE RIVER SOUTHWEST OF COMSTOCK AND DURING THE PAST HOUR OR
SO HAVE DUMPED NEARLY THREE AND A HALF INCHES OF RAIN ON COMSTOCK.
 
THESE THUNDERSTORMS WERE MOVING SLOWLY TO THE NORTHEAST AND WILL
CONTINUE TO AFFECT VAL VERDE COUNTY FOR THE NEXT SEVERAL HOURS.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT ATTEMPT TO
CROSS BRIDGES...OR LOW SPOTS IF WATER COVERS THE ROADWAY.  NEVER TRY
TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT TO ESCAPE
RISING WATER DURING THREATENING RAINS.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 8:11 AM CDTSevere Thunderstorm WarningEWXCalhoun34 min
Apr 4, 8:25 AM CDTSevere Thunderstorm WarningEWXLa Salle65 min
Apr 4, 8:29 AM CDTTornado WarningEWXCalhoun31 min
Apr 4, 9:08 AM CDTTornado WarningEWXVictoria37 min
Apr 4, 9:29 AM CDTSevere Thunderstorm WarningEWXMcMullen61 min
Apr 4, 12:08 PM CDTSevere Thunderstorm WarningEWXBandera, Medina52 min
Apr 4, 12:21 PM CDTSevere Thunderstorm WarningEWXFrio69 min
Apr 4, 1:19 PM CDTSevere Thunderstorm WarningEWXAtascosa56 min
Apr 4, 5:51 PM CDTSevere Thunderstorm WarningEWXVal Verde69 min
Apr 4, 6:53 PM CDTSevere Thunderstorm WarningEWXKinney67 min

Nearby

Flash Flood Warnings in Texas, 1995Every flash flood warning in 1995

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.