Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 21, NWS Austin/San Antonio, TX

April 5, 1994Bexar County, Kendall County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 5, 1994, 5:38 PM CDT for Bexar County, Kendall County, Texas. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Apr 5, 1994, 5:38 PM CDT (22:38 UTC)
Expired
Apr 5, 1994, 6:45 PM CDT
In force
67 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Bexar County, TX, Kendall County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 10.6 hours before the alert went out and 218 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 1994-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 546 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 1994-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.193958Sfc1 km3 km6 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
546 J/kg
Mixed-layer CIN
-267 J/kg
Mixed-layer LCL
1362 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 052240
SVRSAT
TXC029-259-052345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
538 PM CDT TUE APR 5 1994
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIESS...
 
IN SOUTH TEXAS
 
   ...NORTHERN BEXAR COUNTY...SOUTHERN KENDALL COUNTY
 
AT 535 PM CDT A LINE SEVERE THUNDERSTORMS WAS MOVING THROUGH SOUTHERN
KENDALL AND INTO NORTHERN BEXAR COUNTY. THESE THUNDERSTORMS HAVE ALREADY
PRODUCED MARBLE TO GOLF BALL SIZED HAIL. LARGE HAIL...DAMAGING WINDS AND
VERY HEAVY RAIN CAN BE EXPECTED WITH THIS LINE OF THUNDERSTORMS AS THE
LINE DRIFTED SOUTHWARD.
 
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 5, 4:07 PM CDTSevere Thunderstorm WarningEWXTravis53 min
Apr 5, 4:21 PM CDTSevere Thunderstorm WarningEWXHays54 min
Apr 5, 5:22 PM CDTSevere Thunderstorm WarningEWXComal68 min
Apr 5, 5:30 PM CDTSevere Thunderstorm WarningEWXBandera60 min
Apr 5, 5:41 PM CDTSevere Thunderstorm WarningEWXHays49 min
Apr 5, 6:05 PM CDTTornado WarningEWXCaldwell40 min
Apr 5, 6:11 PM CDTSevere Thunderstorm WarningEWXBexar29 min
Apr 5, 6:59 PM CDTSevere Thunderstorm WarningEWXBastrop46 min

Nearby

Severe Thunderstorm Warnings in Texas, 1994Every severe thunderstorm warning in 1994

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.