Alert archive / Texas / Flash Flood Warnings in 1991

Flash Flood Warning 113, NWS Austin/San Antonio, TX

December 22, 1991DeWitt County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Dec 22, 1991, 6:30 AM CST for DeWitt County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Dec 22, 1991, 6:30 AM CST (12:30 UTC)
Expired
Dec 22, 1991, 8:30 AM CST
In force
2 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County DeWitt County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 0.5 hours before the alert went out and 150 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 1991-12-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 757 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 1991-12-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 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
757 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
617 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
289 m²/s²
Significant tornado parameter
1.0
Supercell composite
5.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KVCT 221229
FFWVCT
TXC123-239-469-221430-
 
BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE VICTORIA TX
630 AM CST SUN DEC 22 1991
 
THE NATIONAL WEATHER SERVICE IN VICTORIA HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  830 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...DEWITT COUNTY...JACKSON COUNTY...VICTORIA COUNTY
 
SOME SECONDARY ROADS CONTINUE WATER COVERED AND A FEW ARE CLOSED OVER
VICTORIA...DE WITT...AND JACKSON COUNTIES. ALTHOUGH MOST OF THE RAIN
OVER THOSE COUNTIES HAS CONTINUED TO DECREASE REDEVELOPMENT IS
EXPECTED THIS MORNING AS A FLASH FLOOD WATCH CONTINUES FOR MOST OF
SOUTH TEXAS.
 
RESIDENTS OF DE WITT...VICTORIA...AND JACKSON COUNTIES SHOULD REMAIN
ON ALERT FOR HEAVY RAIN AND CONTINUED FLOODING TODAY.  TRAVEL IS
DISCOURAGED TODAY OVER SECONDARY ROADS.  REDEVELOPMENT OF HEAVY RAIN
COULD ALSO CAUSE MAIN ROADS TO HAVE PROBLEMS TODAY.  PLEASE KEEP
INFORMED ON WEATHER CONDITIONS FROM NOAA WEATHER RADIO OR YOUR LOCAL
MEDIA.
 
 
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.
 
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.
 
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.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 21, 6:20 PM CSTFlash Flood WarningEWXLavaca2 hr
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, 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.