Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 38, NWS Austin/San Antonio, TX

April 4, 1995La Salle County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 4, 1995, 8:25 AM CDT for La Salle County, Texas. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Apr 4, 1995, 8:25 AM CDT (13:25 UTC)
Expired
Apr 4, 1995, 9:30 AM CDT
In force
65 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County La Salle County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 1.4 hours before the alert went out and 186 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 1995-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2580 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, Corpus Christi, TX at 12:00Z on 1995-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 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
2580 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
535 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
1.8
Supercell composite
7.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 041324 RRA
SVRSAT
TXC283-041430-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
825 AM CDT TUE APR 4 1995
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...LA SALLE COUNTY
 
AT 823 AM THE NATIONAL WEATHER SERVICE DOPPLER RADAR IN NEW BRAUNFELS
INDICATED A SEVERE THUNDERSTORM OVER NORTHERN LA SALLE COUNTY...MOVING
NORTHEAST AT 20 MPH.
 
ONE HALF INCH HAIL AND 43 MPH WIND HAS BEEN OBSERVED IN COTULLA...
ABOUT 10 MILES SOUTH OF THE MAIN CENTER OF THIS THUNDERSTORM.
 
SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH.  THESE WINDS
BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES...
SOMETIMES BUILDINGS.  VERY LARGE HAIL CAN INJURE ANYONE CAUGHT
OUTSIDE.
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY
OF LARGE HAIL AND DAMAGING WINDS.  FREQUENT LIGHTNING AND LOCALLY
HEAVY RAIN CAN OCCUR WITH ANY 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, 8:29 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

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.