Alert archive / Texas / Tornado Warnings in 1989

Tornado Warning 3, NWS Austin/San Antonio, TX

April 29, 1989Wilson County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Apr 29, 1989, 8:18 PM CDT for Wilson County, Texas. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Apr 29, 1989, 8:18 PM CDT (01:18 UTC)
Expired
Apr 29, 1989, 9:00 PM CDT
In force
42 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Wilson County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Victoria Regiona, TX (KVCT), launched 00:00Z, 1.3 hours before the alert went out and 121 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, Victoria Regiona, TX at 00:00Z on 1989-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2723 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, Victoria Regiona, TX at 00:00Z on 1989-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 square meters per square second.19395878Sfc1 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
2723 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1061 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
-6 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 300120
TORSAT
TXC493-300200-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
818 PM CDT  APR 29 1989
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  900 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH TEXAS
          ...WILSON
 
AT 818 PM CDT...THE PUBLIC REPORTED A TORNADO ON THE GROUND NEAR
ELMENDORF AND MOVING TOWARD WILSON COUNTY FROM THE WEST TOWARD
FLORESVILLE.
 
IF YOU ARE IN THE PATH OF THIS STORM...GO TO A BASEMENT SHELTER OR A
CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUILDING.
ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING.
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 7:13 PM CDTSevere Thunderstorm WarningEWXBexar, Medina62 min
Apr 29, 7:18 PM CDTSevere Thunderstorm WarningEWXFrio57 min
Apr 29, 7:21 PM CDTSevere Thunderstorm WarningEWXLa Salle, Webb54 min
Apr 29, 7:32 PM CDTSevere Thunderstorm WarningEWXCaldwell58 min
Apr 29, 7:49 PM CDTSevere Thunderstorm WarningEWXBastrop, Travis, Williamson41 min
Apr 29, 7:53 PM CDTSevere Thunderstorm WarningEWXAtascosa67 min
Apr 29, 7:58 PM CDTSevere Thunderstorm WarningEWXGuadalupe47 min
Apr 29, 8:11 PM CDTSevere Thunderstorm WarningEWXFrio34 min
Apr 29, 8:11 PM CDTSevere Thunderstorm WarningEWXBexar34 min
Apr 29, 8:38 PM CDTSevere Thunderstorm WarningEWXGuadalupe52 min
Apr 29, 8:50 PM CDTSevere Thunderstorm WarningEWXWilson55 min
Apr 29, 9:00 PM CDTSevere Thunderstorm WarningEWXBurleson, Lee, Milam60 min
Apr 29, 10:32 PM CDTTornado WarningEWXGoliad58 min
Apr 29, 11:29 PM CDTTornado WarningEWXJackson46 min

Nearby

Tornado Warnings in Texas, 1989Every tornado warning in 1989Tornadoes in 1989

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.