Alert archive / Texas / Tornado Warnings in 1993

Tornado Warning 3, NWS Austin/San Antonio, TX

March 29, 1993Zavala County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Mar 29, 1993, 9:37 PM CST for Zavala County, Texas. It was in force for 41 min.

The area

The counties it named.

The facts

Issued: Mar 29, 1993, 9:37 PM CST (03:37 UTC)
Expired: Mar 29, 1993, 10:18 PM CST
In force: 41 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, 3.6 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: 1266 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 1875 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 188 m²/s²
0-3 km storm-relative helicity: 413 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 12.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 300337
TORSAT
TXC507-300430-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
937 PM CST MON MAR 29 1993
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1030 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...ZAVALA COUNTY
 
NATIONAL WEATHER SERVICE RADAR AT 935 PM INDICATED A POSSIBLE TORNADO IN
THE THUNDERSTORM JUST SOUTH OF BATESTVILLE. THIS IS A VERY DANGEROUS
STORM THAT HAS ALREADY PRODUCED GOLFBALL-SIZED HAIL AT 925 PM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A DITCH OR LOW
SPOT AND COVER YOUR HEAD.
 
PEOPLE IN OR NEAR THE PATH OF THIS STORM SHOULD TAKE IMMEDIATE ACTION
TO PROTECT THEIR LIVES.  GO TO YOUR BASEMENT...THE CENTER OF
BUILDINGS...COVER YOUR HEAD.  DO NOT GO NEAR DOORS OR WINDOWS. GET
OUT OF MOBILE HOMES AND VEHICLES.  GET INTO A STURDY BUILDING."

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 29, 6:05 PM CST	Severe Thunderstorm Warning	EWX	Edwards, Kinney	55 min
Mar 29, 6:33 PM CST	Severe Thunderstorm Warning	EWX	Val Verde	42 min
Mar 29, 6:52 PM CST	Tornado Warning	EWX	Kinney	68 min
Mar 29, 7:17 PM CST	Severe Thunderstorm Warning	EWX	Uvalde	58 min
Mar 29, 8:15 PM CST	Severe Thunderstorm Warning	EWX	Uvalde	60 min
Mar 29, 8:54 PM CST	Severe Thunderstorm Warning	EWX	Zavala	66 min
Mar 29, 9:47 PM CST	Severe Thunderstorm Warning	EWX	Frio	58 min
Mar 29, 10:00 PM CST	Severe Thunderstorm Warning	EWX	Val Verde	60 min
Mar 30, 12:04 AM CST	Severe Thunderstorm Warning	EWX	Real	41 min
Mar 30, 12:32 AM CST	Severe Thunderstorm Warning	EWX	Bandera, Kerr	58 min
Mar 30, 12:54 AM CST	Severe Thunderstorm Warning	EWX	Real	66 min
Mar 30, 12:57 AM CST	Severe Thunderstorm Warning	EWX	Kinney	63 min
Mar 30, 1:30 AM CST	Severe Thunderstorm Warning	EWX	Bandera	60 min

Nearby

Tornado Warnings in Texas, 1993 Every tornado warning in 1993 Tornadoes in 1993

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.