Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 65, NWS Austin/San Antonio, TX

April 17, 1995Uvalde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 17, 1995, 11:08 PM CDT for Uvalde County, Texas. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
Apr 17, 1995, 11:08 PM CDT (04:08 UTC)
Expired
Apr 17, 1995, 11:45 PM CDT
In force
37 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Uvalde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 4.1 hours before the alert went out and 104 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 1995-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 330 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 1995-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 square meters per square second.1939587897117Sfc1 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
330 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
3626 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
205 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 180411
SVRSAT
TXC463-180445-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1108 PM CDT MON APR 17 1995
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...UVALDE COUNTY
 
THE NATIONAL WEATHER SERVICE INDICATED A SERVERE THUNDERSTORM 5 MILES
WEST OF UVALDE. MOVEMENT WAS NORTHEAST AT 35 TO 40 MPH. THIS
THUNDERSTORM WILL LIKELY PRODUCE...HIGH WINDS...AND DANGEROUS
LIGHTNING. DOPPLER RADAR INDICATED POSSIBLE LARGE HAIL WITH THIS STORM.
 
 
SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MP(H.  THESE WINDS
BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES...
SOMETIMES BUILDINGS.  VERY LARGE HAIL CAN INJURE ANYONE CAUGHT
OUTSIDE.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 17, 9:17 PM CDTSevere Thunderstorm WarningEWXWebb58 min
Apr 17, 10:23 PM CDTSevere Thunderstorm WarningEWXLlano67 min
Apr 17, 11:45 PM CDTSevere Thunderstorm WarningEWXMedina45 min
Apr 17, 11:51 PM CDTSevere Thunderstorm WarningEWXComal, Hays, Travis69 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.