Alert archive / Texas / Tornado Warnings in 1992

Tornado Warning 4, NWS Austin/San Antonio, TX

March 29, 1992Atascosa County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Mar 29, 1992, 7:04 PM CST for Atascosa County, Texas. It was in force for 41 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 29, 1992, 7:04 PM CST (01:04 UTC)
Expired
Mar 29, 1992, 7:45 PM CST
In force
41 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Atascosa County, TX

What was reported inside it

TimeReportWhereRemark
Mar 29, 7:26 PM CSTHail 1.75Atascosa, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 1.1 hours before the alert went out and 174 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, Corpus Christi, TX at 00:00Z on 1992-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1522 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, Corpus Christi, TX at 00:00Z on 1992-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939587897Sfc1 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
1522 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
780 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 300105
TORSAT
TXC013-300145-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
704 PM CST SUN MAR 29 1992
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  745 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...ATASCOSA COUNTY
 
RADAR INDICATED A VERY STRONG THUNDERSTORM NORTHWEST OF POTEET MOVING
TO THE EAST AT 30 MILES AND HOUR. THE ATASCOSA COUNTY SHERIFF
DEPARTMENT HAD A REPORT OF A FUNNEL CLOUD NEAR HIGHWAY 16 NORTH OF
POTEET.
 
PERSONS IN POTEET SHOULD BE PREPARED TO TAKE COVER.
 
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 OR A
DITCH.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 6:45 PM CSTSevere Thunderstorm WarningEWXAtascosa60 min
Mar 29, 7:50 PM CSTSevere Thunderstorm WarningEWXAtascosa25 min
Mar 29, 8:26 PM CSTSevere Thunderstorm WarningEWXMcMullen49 min

Nearby

Tornado Warnings in Texas, 1992Every tornado warning in 1992Tornadoes in 1992

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.