Alert archive / Texas / Flash Flood Warnings in 1991

Flash Flood Warning 99, NWS Austin/San Antonio, TX

December 21, 1991Lavaca County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Dec 21, 1991, 6:20 PM CST for Lavaca County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Dec 21, 1991, 6:20 PM CST (00:20 UTC)
Expired
Dec 21, 1991, 8:20 PM CST
In force
2 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Lavaca County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.3 hours before the alert went out and 188 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 1991-12-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 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 1991-12-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 246 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
524 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
246 m²/s²
0-3 km storm-relative helicity
578 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 220020
FFWVCT
TXC285-220220-

BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE VICTORIA TX
620 PM CST SAT DEC 21 1991

THE NATIONAL WEATHER SERVICE IN VICTORIA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 820 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTH CENTRAL TEXAS

   ...VICTORIA COUNTY

A FLOOD WARNING IS IN EFFECT FOR VICTORIA COUNTY. THE SHERIFFS OFFICE IN
VICTORIA COUNTY REPORTED FORDYCE ROAD ONE MILE EAST OF SAXET LAKE IS
UNDER WATER.

THE VICTORIA WEATHER RADAR INDICATES MODERATE RAIN CONTINUING OVER
VICTORIA COUNTY WITH STRONG THUNDERSTOMS NORTHEAST AND SOUTHEAST
OF THE AIRPORT MOVING NORTH NEAR 30 MILES AN HOUR.

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.

IF THREATING WEATHER APPROACHES YOU SHOULD GO 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.

STAY TUNED TO NOAA WEATHER RADIO...TV OR RADIO STATION FOR THE
LATEST STATEMENTS AND/OR WARNINGS.

05

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 21, 9:50 PM CSTFlash Flood WarningEWXLavaca2 hr
Dec 21, 11:30 PM CSTFlash Flood WarningEWXLavaca2 hr
Dec 22, 12:35 AM CSTFlash Flood WarningEWXJackson, Victoria115 min
Dec 22, 1:44 AM CSTFlash Flood WarningEWXCalhoun2 hr
Dec 22, 2:35 AM CSTFlash Flood WarningEWXDeWitt, Jackson, Victoria115 min
Dec 22, 3:50 AM CSTFlash Flood WarningEWXCalhoun115 min
Dec 22, 4:30 AM CSTFlash Flood WarningEWXDeWitt, Jackson, Victoria2 hr
Dec 22, 5:40 AM CSTFlash Flood WarningEWXCalhoun2 hr
Dec 22, 6:03 AM CSTFlash Flood WarningEWXGonzales4 hr
Dec 22, 6:03 AM CSTFlash Flood WarningEWXBastrop, Lee, Travis, Williamson3 hr
Dec 22, 6:03 AM CSTFlash Flood WarningEWXBurleson3 hr
Dec 22, 6:03 AM CSTFlash Flood WarningEWXBurnet3 hr
Dec 22, 6:30 AM CSTFlash Flood WarningEWXJackson, Victoria2 hr
Dec 22, 6:30 AM CSTFlash Flood WarningEWXDeWitt2 hr
Dec 22, 7:33 AM CSTFlash Flood WarningEWXHays, Travis, Williamson3 hr
Dec 22, 7:45 AM CSTFlash Flood WarningEWXCalhoun2 hr
Dec 22, 8:30 AM CSTFlash Flood WarningEWXDeWitt, Victoria2 hr
Dec 22, 8:30 AM CSTFlash Flood WarningEWXJackson2 hr
Dec 22, 9:10 AM CSTFlash Flood WarningEWXBastrop, Burleson, Lee, Milam, Williamson3 hr
Dec 22, 9:10 AM CSTFlash Flood WarningEWXTravis3 hr
Dec 22, 9:10 AM CSTFlash Flood WarningEWXHays110 min
Dec 22, 9:39 AM CSTFlash Flood WarningEWXGonzales6 hr
Dec 22, 10:00 AM CSTFlash Flood WarningEWXGoliad, Victoria2 hr
Dec 22, 10:00 AM CSTFlash Flood WarningEWXCalhoun2 hr
Dec 22, 12:03 PM CSTFlash Flood WarningEWXBurleson, Milam117 min
Dec 22, 12:30 PM CSTFlash Flood WarningEWXCalhoun, Victoria3 hr
Dec 22, 12:30 PM CSTFlash Flood WarningEWXGoliad3 hr
Dec 22, 1:25 PM CSTFlash Flood WarningEWXGoliad, Victoria3 hr
Dec 22, 1:25 PM CSTFlash Flood WarningEWXCalhoun3 hr
Dec 22, 3:35 PM CSTFlash Flood WarningEWXCalhoun, Victoria2 hr
Dec 22, 3:35 PM CSTFlash Flood WarningEWXGoliad2 hr

Nearby

Flash Flood Warnings in Texas, 1991Every flash flood warning in 1991

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.