Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 22, NWS Austin/San Antonio, TX

February 24, 1992Jackson County, Lavaca County, Victoria County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Feb 24, 1992, 1:28 PM CST for Jackson County, Lavaca County, Victoria County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Feb 24, 1992, 1:28 PM CST (19:28 UTC)
Expired
Feb 24, 1992, 3:30 PM CST
In force
2 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Jackson County, TX, Lavaca County, TX, Victoria County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 7.5 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 1992-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1285 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 1992-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 square meters per square second.193958Sfc1 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
1285 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
231 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 241928
FFWVCT
TXC175-239-285-469-242130-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE VICTORIA TX
128 PM CST MON FEB 24 1992
 
THE NATIONAL WEATHER SERVICE IN VICTORIA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  330 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...GOLIAD COUNTY...NORTHERN JACKSON COUNTY...EASTERN LAVACA COUNTY
   ...VICTORIA COUNTY
 
THE VICTORIA WEATHER RADAR INDICATED AT 1 20 PM A LARGE AREA OF HEAVY
SHOWERS AND THUNDERSTORMS FROM EASTERN LAVACA COUNTY SOUTHWEST ACROSS
NORTHERN JACKSON COUNTY VICTORIA COUNTY TO NEAR GOLIAD. THIS AREA OF
SHOWERS AND THUNDERSTORMS WAS MOVING TO THE EAST-NORTHEAST NEAR 25
MILES AN HOUR.
 
REPORTS OF THREE TO FIVE INCHES OF RAIN HAS BEN REPORTED AROUND
VICTORIA COUNTY DURING THE PAST TWO TO THREE HORS.
 
 
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 GO TO A SAFE FPLACE
IMMEDIATELY...YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY
TO RELAY YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL
WEATHER SERVICE OFFICE.

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

Special weather statement, Feb 24, 8:42 AM CST, 4 hours 46 minutes before
TXZ034-035-036-037-038-040-054-241545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
840 AM CST MON FEB 24 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 100 PM CST FOR THE TEXAS
HILL COUNTRY...EDWARDS PLATEAU AND MUCH OF SOUHT CENTRAL TEXAS...
...FLOOD AND FLASH FLOOD WATCH IN EFFECT TODAY FOR SOUTH TEXAS EXCEPT
THE EXTREME SOUTH...

THE SEVERE THUNDERSTORM WARNING FOR BANDERA COUNTY HAS EXPIRERED.
DIME SIZE HAIL WAS REPORTED IN MEDINA WITH THE PASSAGE OF THE
STORMS...HEAVY RAINS HAVE ALSO BEEN REPORTED.

A LINE OF THUNDERSTORMS EXTENENS FROM KENDALL COUNTY TO JUST NORTH OF
HONDO IN MEDINA THROUGH ZAVALA COUNTY AND INTO DIMMIT COUNTY.  THIS LI
WAS MOVING EAST AT 30 MPH.  A LARGE AREA OF RAIN COVERS MOST OF SOUTH
CENTRAL TEXAS.

PERSON IN SOUTH CENTRAL TEXAS SHOULD LOOK FOR CHANGING WEATHER THIS
MORNING AND INTO THE AFTERNOON HOURS.
MDV
Local storm report, Feb 24, 10:07 AM CST, 3 hours 21 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
750 PM CST SAT FEB 22 1992

         STORM SYSTEM OF MONDAY...2/24/1992...

TIME   COUNTY      EVENT
0745   TRAVIS      PEA TO MARBLE SIZED HAIL AT LAMAR/ANDERSON LANE (AUS)

0845   GILLESPIE   11SW OF FREDERICKSBURG...MARBLE HAIL/OVER 2 INCHES OF
                   RAIN IN 1 HR. 15 MIN. PERIOD.  POWER OUTAGE.
0847   GILLESPIE   HAM RADIO SPOTTER...2 INCHES IN 1 HR. EST. WINDS 45 MPH.

0932   WILLIAMSON  PEA TO MARBLE SIZE HAIL AT CEDAR PARK COMING DOWN IN
                   BUCKETS.
0944   BLANCO      FRONTAL PASSAGE AT 0935C..NW 35 AND A COLD HARD RAIN
                   WIDESPREAD ICE CREAM SALT HAIL...2 INCHES DEEP IN SPOTS.

...kLATER UPDATES...
JVD

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 6:40 AM CSTSevere Thunderstorm WarningEWXReal50 min
Feb 24, 7:47 AM CSTSevere Thunderstorm WarningEWXBandera43 min
Feb 24, 8:53 AM CSTSevere Thunderstorm WarningEWXBlanco67 min
Feb 24, 9:47 AM CSTFlash Flood WarningEWXHays, Travis58 min
Feb 24, 9:47 AM CSTFlash Flood WarningEWXBurnet58 min
Feb 24, 9:50 AM CSTFlash Flood WarningEWXDimmit, Zavala4 hr
Feb 24, 10:06 AM CSTFlash Flood WarningEWXFrio4 hr
Feb 24, 1:28 PM CSTFlash Flood WarningEWXGoliad2 hr
Feb 24, 2:48 PM CSTFlash Flood WarningEWXCalhoun57 min
Feb 24, 4:01 PM CSTFlash Flood WarningEWXFayette3 hr
Feb 24, 4:01 PM CSTFlash Flood WarningEWXBurleson3 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.