Alert archive / Texas / Tornado Warnings in 1990

Tornado Warning 13, NWS Austin/San Antonio, TX

August 31, 1990Jackson County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Aug 31, 1990, 6:59 PM CDT for Jackson County, Texas. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Aug 31, 1990, 6:59 PM CDT (23:59 UTC)
Expired
Aug 31, 1990, 8:00 PM CDT
In force
61 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Jackson 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

Corpus Christi, TX (KCRP), launched 12:00Z, 12.0 hours before the alert went out and 155 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 12:00Z on 1990-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1758 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 12:00Z on 1990-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -55 square meters per square second.1939Sfc1 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
1758 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
904 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-55 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KVCT 010014 RRA
TORVCT
TXC239-010100-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING...CORRECTED FOR COUNTY...
NATIONAL WEATHER SERVICE VICTORIA TX
659 PM CDT FRI AUG 31 1990

THE NATIONAL WEATHER SERVICE IN VICTORIA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTH CENTRAL TEXAS

   ...JACKSON COUNTY

AT 655 PM VICTORIA RADAR SHOWED A POSSIBLE TORNADO JUST SOUTH OF
GANADO MOVING WEST SOUTHWEST AT 25 MILES AN HOUR.


IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLzANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 6:09 PM CDTSevere Thunderstorm WarningEWXBurleson46 min
Aug 31, 6:34 PM CDTSevere Thunderstorm WarningEWXJackson56 min

Nearby

Tornado Warnings in Texas, 1990Every tornado warning in 1990Tornadoes in 1990

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.