Alert archive / Texas / Tornado Warnings in 1992

Tornado Warning 21, NWS Houston/Galveston, TX

November 21, 1992Fort Bend County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Nov 21, 1992, 2:28 PM CST for Fort Bend County, Texas. It was in force for 62 min. 2 reports 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
Nov 21, 1992, 2:28 PM CST (20:28 UTC)
Expired
Nov 21, 1992, 3:30 PM CST
In force
62 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Fort Bend County, TX

What was reported inside it

TimeReportWhereRemark
Nov 21, 2:40 PM CSTTornado F1Fort Bend, TX
Nov 21, 2:45 PM CSTTornado F1Fort Bend, 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 12:00Z, 8.5 hours before the alert went out and 252 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 1992-11-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 574 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 1992-11-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 366 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
574 J/kg
Mixed-layer CIN
-139 J/kg
Mixed-layer LCL
620 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
366 m²/s²
0-3 km storm-relative helicity
448 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHOU 212029
TORHOU
TXC157-212130-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON TX
228 PM CST SAT NOV 21 1992
 
THE NATIONAL WEATHER SERVICE IN HOUSTON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  330 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHEAST TEXAS
 
   ...FORT BEND COUNTY
 
AT 230 PM CST...THE TORNADO WARNING FOR FORT BEND COUNTY HAS BEEN
EXTENDED UNTIL 330 PM CST.
 
A LARGE TORNADIC THUNDERSTORM IS MOVING OUT OF WHARTON COUNTY INTO FORT
BEND COUNTY...TOWARDS THE RICHMOND/ROSENBURG AREA.  TAKE SHELTER
IMMEDIATELY.
 
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 BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 21, 1:33 PM CSTTornado WarningHGXWharton42 min
Nov 21, 2:14 PM CSTTornado WarningHGXWharton46 min
Nov 21, 2:20 PM CSTTornado WarningHGXHarris55 min
Nov 21, 3:11 PM CSTTornado WarningHGXHarris64 min
Nov 21, 3:18 PM CSTTornado WarningHGXLiberty57 min
Nov 21, 3:49 PM CSTSevere Thunderstorm WarningHGXBrazoria56 min
Nov 21, 4:05 PM CSTTornado WarningHGXPolk55 min
Nov 21, 4:12 PM CSTTornado WarningHGXHarris48 min
Nov 21, 4:17 PM CSTSevere Thunderstorm WarningHGXChambers43 min
Nov 21, 4:35 PM CSTSevere Thunderstorm WarningHGXGalveston55 min
Nov 21, 5:00 PM CSTSevere Thunderstorm WarningHGXChambers75 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.