Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 43, NWS Austin/San Antonio, TX

April 4, 1995Val Verde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 4, 1995, 5:51 PM CDT for Val Verde County, Texas. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Apr 4, 1995, 5:51 PM CDT (22:51 UTC)
Expired
Apr 4, 1995, 7:00 PM CDT
In force
69 min
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 12:00Z, 10.9 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 12:00Z on 1995-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 288 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 12:00Z on 1995-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
288 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
869 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 042252 RRA
SVRSAT
TXC465-050000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
551 PM CDT TUE APR 4 1995
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...VAL VERDE COUNTY
 
A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 15 MILES NORTHWEST
OF DEL RIO MOVIN6G TOWARD THE EAST AT 20 MPH. PEOPLE IN THE DEL RIO AREA
AND LAKE AMISTAD SHOULD PREPARE IMMEDIATELY FOR THIS SEVERE
THUNDERSTORM.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 3:27 AM CDTFlash Flood WarningEWXVal Verde4 hr
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, 6:53 PM CDTSevere Thunderstorm WarningEWXKinney67 min

Nearby

Severe Thunderstorm Warnings in Texas, 1995Every severe thunderstorm 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.