Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 16, NWS Austin/San Antonio, TX

February 11, 1992Jackson County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Feb 11, 1992, 7:13 PM CST for Jackson County, Texas. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Feb 11, 1992, 7:13 PM CST (01:13 UTC)
Expired
Feb 11, 1992, 8:15 PM CST
In force
62 min
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, 1.2 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 120116 COR
FFWVCT
TXC123-239-120215-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE VICTORIA TX
713 PM CST TUE FEB 11 1992

THE NATIONAL WEATHER SERVICE IN VICTORIA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  815 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTH CENTRAL TEXAS

   ...EASTERN DEWITT COUNTY...NORTHWESTERN JACKSON COUNTY

AT 700 PM CST VICTORIA RADAR INDICATED SCATTERED THUNDERSTORMS
WITH HEAVY RAIN LOCATED ABOUT 10 MILES EAST OF CUERO IN DEWITT
COUNTY AND ABOUT 15 MILES NORTHWEST OF EDNA IN JACKSON COUNTY.
THESE  SHOWERS HAD BEEN MOVING SLOWLY IN A EAST DIRECTION AT
ABOUT 5 MILES AN HOUR.
RESIDENTS OF DEWITT AND JACKSON COUNTIES SHOULD BE ALERT
TO POOR DRIVING CONDITIONS ASSOCIATED WITH THESE THUNDERSTORMS.
THE FLOODING OF ROADWAYS AND LOW FLOOD PRONE AREAS WILL LIKELY
OCCUR.



DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

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.

IF THREATING WEATHER APPROACHES YOU SHOULD GOG TO A SAFE PLACE
IMMEDIATELY...YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY
TO RELAY YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL
WEATHER SERVICE OFFICE.
03

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, 8:23 PM CSTFlash Flood WarningEWXJackson2 hr

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.