Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 235, NWS Austin/San Antonio, TX

September 21, 1995Uvalde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Sep 21, 1995, 4:42 PM CDT for Uvalde County, Texas. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
Sep 21, 1995, 4:42 PM CDT (21:42 UTC)
Expired
Sep 21, 1995, 5:45 PM CDT
In force
63 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 12:00Z, 9.7 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 12:00Z on 1995-09-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 806 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 1995-09-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.193958Sfc1 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
806 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
552 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 212144 RRA
SVRSAT
TXC463-212245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
442 PM CDT THU SEP 21 1995
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...UVALDE COUNTY
 
AT 440 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ENTERING
SOUTHWEST UVALDE COUNTY...15 MILES WEST OF UVALDE. MOVEMENT WAS
NORTHEAST AT 20 MPH.
 
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.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 21, 9:07 AM CDTFlash Flood WarningEWXGillespie, Kerr2 hr
Sep 21, 9:34 AM CDTFlash Flood WarningEWXBandera, Real3 hr
Sep 21, 11:17 AM CDTFlash Flood WarningEWXGillespie, Kerr103 min
Sep 21, 12:54 PM CDTFlash Flood WarningEWXBandera66 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.