Alert archive / Texas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 42, NWS Austin/San Antonio, TX

April 29, 1996Zavala County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 29, 1996, 12:35 AM CDT for Zavala County, Texas. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 29, 1996, 12:35 AM CDT (05:35 UTC)
Expired: Apr 29, 1996, 1:30 AM CDT
In force: 55 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County Zavala County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 5.6 hours before the alert went out and 119 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1845 J/kg
Mixed-layer CIN: -179 J/kg
Mixed-layer LCL: 2124 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -43 m²/s²
0-3 km storm-relative helicity: -46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 290535
SVRSAT
TXC507-290630-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1235 AM CDT MON APR 29 1996
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  130 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...ZAVALA COUNTY
 
AT 1235 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 5
MILES NORTH OF LA PRYOR. MOVEMENT WAS NORTH AT 10 MPH.
 
THIS IS A DANGEROUS STORM...TAKE COVER IMMEDIATELY IF YOU ARE IN
ITS PATH.  FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR BUILDING...STAY AWAY FROM WINDOWS!  SEVERE
THUNDERSTORMS CAN CAUSE AS MUCH DAMAGE AS A TORNADO.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Apr 28, 11:28 PM CDT, 1 hour 7 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1125 PM CDT SUN APR 28 1996

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....
 637 PM    LANGTRY                    TX   NICKEL SIZE HAIL
04/28/96   VAL VERDE                       COOP OBSVR

 732 PM    E. OF ROCKSPRINGS          TX    NICKEL SIZE HAIL
04/28/96   EDWARDS                          REPRTD VIA DPS ROCKSPRINGS

 730 PM    12N COMSTOCK               TX  .75 INCH HAIL
04/28/96   VAL VERDE                       COOP OBSVR

 800 PM    LANGTRY                    TX   1.72 RAIN IN 1 HOUR
04/28/96   VAL VERDE                       COOP OBSVR

 824 PM    20N LEAKEY                 TX   NICKEL SIZE HAIL
04/28/96   REAL                            VIA DPS REAL COUNTY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 7:19 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Val Verde	56 min
Apr 28, 8:15 PM CDT	Severe Thunderstorm Warning	EWX	Real	60 min
Apr 28, 8:42 PM CDT	Severe Thunderstorm Warning	EWX	Webb	63 min
Apr 28, 9:22 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie	68 min
Apr 28, 9:57 PM CDT	Severe Thunderstorm Warning	EWX	Bandera	63 min
Apr 28, 10:07 PM CDT	Severe Thunderstorm Warning	EWX	Blanco	68 min
Apr 28, 10:16 PM CDT	Severe Thunderstorm Warning	EWX	Medina	59 min
Apr 28, 10:21 PM CDT	Severe Thunderstorm Warning	EWX	Bexar	69 min
Apr 28, 10:30 PM CDT	Severe Thunderstorm Warning	EWX	Frio	60 min
Apr 28, 10:44 PM CDT	Severe Thunderstorm Warning	EWX	Comal, Hays	61 min
Apr 28, 10:57 PM CDT	Severe Thunderstorm Warning	EWX	Caldwell, Guadalupe	63 min
Apr 28, 11:09 PM CDT	Severe Thunderstorm Warning	EWX	Travis	66 min
Apr 28, 11:18 PM CDT	Severe Thunderstorm Warning	EWX	Wilson	57 min
Apr 28, 11:23 PM CDT	Severe Thunderstorm Warning	EWX	Frio	67 min
Apr 28, 11:34 PM CDT	Severe Thunderstorm Warning	EWX	Gonzales	56 min
Apr 29, 12:12 AM CDT	Severe Thunderstorm Warning	EWX	DeWitt	48 min
Apr 29, 12:47 AM CDT	Severe Thunderstorm Warning	EWX	Fayette	58 min

Nearby

Severe Thunderstorm Warnings in Texas, 1996 Every severe thunderstorm warning in 1996

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.