Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 17, NWS Austin/San Antonio, TX

February 11, 1992Jackson County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Feb 11, 1992, 8:23 PM CST for Jackson County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Feb 11, 1992, 8:23 PM CST (02:23 UTC)
Expired
Feb 11, 1992, 10:30 PM CST
In force
2 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Jackson County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 2.4 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 00:00Z on 1992-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 441 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 1992-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
441 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
823 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KVCT 120226
FFWVCT
TXC239-120430-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE VICTORIA TX
823 PM CST TUE FEB 11 1992
 
THE NATIONAL WEATHER SERVICE IN VICTORIA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1030 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...NORTHWESTERN JACKSON COUNTY
 
AT 815 PM CST VICTORIA RADAR INDICATED SCATTERED THUNDERSTORMS
WITH HEAVY RAIN LOCATED ABOUT 12 MILES NORTHWEST OF EDNA IN
NORTHWEST JACKSON COUNTY WHERE THE BORDERING COUNTIES OF
VICTORIA ...LAVACA...AND JACKSON COUNTIES MEET. THESE THUNDERSTORMS
HAD BEEN MOVING SLOWLY TO THE EAST AT 5 MILES AN HOUR.
 
RESIDENTS OF JACKSON COUNTY SHOULD BE ALERT TO POOR
DRIVING CONDITIONS ASSOCIATED WITH THESE THUNDERSTORMS. THE
FLOODING OF ROADWAYS AND LOW FLOOD PRONE AREAS WILL LIKELY
OCCUR.
 
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Feb 11, 7:53 PM CST, 30 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
745 PM CST TUE FEB 11 1992

 TYPE    DATE      TIME    COUNTY...EVENT...TIME LOGGED

 SVR -  02/11  - 450 PM... MIKE (TV36) RELAYED REPORT OF GOLFBALL SIZE
                           HAIL (FM PUBLIC VIA LAMPASAS RADIO STA) OF
                           1 AND 1/2 INCH HAIL FALLING JUST SOUTH OF CITY
                           OF LAMPASAS WHICH IS VERY CLOSE TO LAMPASAS/
                           BURNET COUNTY LINE...SVR TSTM WRNG ISSED AT
                           452 PM EFFECTIVE TILL 6 PM.

                 530 PM... LARGE HAIL BTWN 1 AND 11/2 INCH HIT MOTORIST
                           ON HWY 183 JUST WEST OF ANDICE. PUBLIC REPORT
                           FROM BERTRAM.  SVR WX STMNT ISSUED AT 535 PM.

                 549 PM... SVR TSTM (VIP 6) TURNED HARD RIGHT TO THE SOUTH
                           AND SLOWED TO 5 MPH.  SVR TSTM WRNG XTND'D AND
                         !  INCLDD XTRM NWRN TRAVIS CO.
.
                 610 PM... STORM DROPPED TO VIP 4 AND RESUMED ESE MVMNT
                           AT 20 MPH.  NO HAIL INDCTD BY RADAR.
                           (CANCELLED WARNINGS - ALL CLEAR.)

DUGAN

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 11, 7:13 PM CSTFlash Flood WarningEWXDeWitt62 min
Feb 11, 7:13 PM CSTFlash Flood WarningEWXJackson62 min

Nearby

Flash Flood Warnings in Texas, 1992Every flash flood warning 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; the sounding from the Mesonet's radiosonde archive.