Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 85, NWS Austin/San Antonio, TX

July 19, 1992Calhoun County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 19, 1992, 4:10 PM CDT for Calhoun County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 19, 1992, 4:10 PM CDT (21:10 UTC)
Expired
Jul 19, 1992, 7:15 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Calhoun County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 9.2 hours before the alert went out and 106 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 1992-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1857 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 1992-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.1939Sfc1 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
1857 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
781 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
20 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 192110
FFWVCT
TXC057-200015-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE VICTORIA TX
410 PM CDT SUN JUL 19 1992
 
THE NATIONAL WEATHER SERVICE IN VICTORIA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...CALHOUN COUNTY
 
A RAINFALL OBSERVER IN PORT LAVACA REPORTED 7.50 INCHES OF RAINFALL
SINCE NOON. STREET FLOODING WAS REPORTED BY ANOTHER RAINFALL OBSERVER
IN DOWNTOWN PORT LAVACA.
 
AT 405 PM CDT VICTORIA RADAR SHOWED A LINE OF THUNDERSTORMS WITH HEAVY
RAIN ALONG THE COAST NEAR PORT OCONNOR MOVING NORTH AT 10 MILES AN
HOUR.  THIS ADDITIONAL HEAVY RAINFALL WILL CREATE RAPID RUNOFF OVER
THE ALREADY SATURATED GROUND AND FLOODED AREAS.
 
 
 
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.

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, Jul 19, 1:07 PM CDT, 3 hours 3 minutes before
TXZ036-037-191900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
105 PM CDT SUN JUL 19 1992

...STRONG THUNDERSTORMS MOVING IN FROM SOUTHEAST TEXAS...

AT 100 PM...A WIDESPREAD AREA OF SHOWERS AND THUNDERSTORMS...SOME
PRODUCING VERY HEAVY RAINFALL...WAS LOCATED OVER SOUTHEAST TEXAS.
THIS AREA WAS LOCATED EAST AND SOUTH OF A LINE FROM CUERO TO LA GRANGE...
GIDDINGS AND CALDWELL.

THE THUNDERSTORMS WERE MOVING TO THE NORTH AT 15 MILES AN HOUR WHILE
THE AREA WAS DRIFTING TO THE NORTHWEST.

PERSONS IN FAYETTE...BURLESON AND LEE COUNTIES WILL BE THE FIRST
AFFECTED BY THE THUNDERSTORM ACTIVITY BETWEEN 1 AND 2 PM.  FLOODING
OF LOW LYING AREAS IS POSSIBLE ALONG WITH BLINDING VISIBnILITIES
IN THE HEAVY RAIN.  MOTORISTS SHOULD AVOID FLOODED ROADS AND SLOW
DOWN IN HEAVY RAINFALL.                    WH
Special weather statement, Jul 19, 2:13 PM CDT, 1 hour 57 minutes before
TXZ030-034>037-192100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
212 PM CDT SUN JUL 19 1992

...STRONG THUNDERSTORMS MOVING INTO CENTRAL TEXAS...

AT 207 PM...A LARGE AREA OF WIDESPREAD SHOWERS AND THUNDERSTORMS...SOME
WITH VERY HEAVY RAINFALL...WAS LOCATED TO THE EAST OF A LINE FROM
SEGUIN TO BASTROP...THRALL AND TEMPLE.  THE HEAVIEST RAINFALL WAS
LOCATED FROM EAST OF BASTROP TO LEXINGTON...NEAR THORNDALE...AND
EAST OF SMITHVILLE.

THE THUNDERSTORM ACTIVITY WAS MOVING TO THE NORTHWEST AT 15 MILES AN
HOUR.

AN ISOLATED THUNDERSTORM WITH VERY HEAVY RAIN HAD DEVELOPED OVER THE HILL
COUNTRY NORTH OF LAMPASAS.  THIS THUNDERSTORM WAS MOVING TO THE NORTH
AT 10 MILES AN HOUR.
.
PERSONS THROUGHOUT CENTRAL TEXAS SHOULD MONITOR THE LATEST WEATHER
AND KEEP AN EYE TO THE SKY FOR APPROACHING THUNDERSTORMS.  THE MAIN
THREAT WITH THESE STORMS WILL BE LOCALIZED FLOODING AND BLINDING
VISIBILITIES IN THE VERY HEAVY DOWNPOURS.

MOTORISTS ARE URGED NOT TO CROSS A FLOODED LOW WATER CROSSING...AND
SLOW DOWN...OR EVEN STOP...WHEN ENCOUNTERING HEAVY RAINFALL.  PERSONS
ON AREA LAKES SHOULD MOVE ASHORE AND SEEK SAFE SHELTER IF THREATENING
WEATHER APPROACHES.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER UPDATES.
WH
Special weather statement, Jul 19, 3:16 PM CDT, 54 minutes before
TXZ030-034>037-192130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
315 PM CDT SUN JUL 19 1992

...THUNDERSTORMS MOVING ACROSS CENTRAL TEXAS...

AT 310 PM...NUMEROUS THUNDERSTORMS...WITH VERY HEAVY RAINFALL...
WERE APPROACHING AUSTIN FROM THE EAST.  THE THUNDERSTORMS WERE
FROM SMITHVILLE TO BASTROP...ELGIN..THORNDALE ROGERS AND ROSEBUD.

THESE STORMS WERE MOVING TO THE WEST AND NORTHWEST AT 15 MILES AN HOUR...
AND WILL BEGIN TO AFFECT THE AUSTIN METROPOLITAN AREA BETWEEN 4 AND 5 PM.

OTHER THUNDERSTORMS WERE SCATTERED OVER THE HILL COUNTRY AROUND
LAMPASAS AND WEST OF BRIGGS.  THIS ACTIVITY WAS MOVING TO THE
NORTH AT 10 MILES AN HOUR.

PERSONS THROUGHOUT CENTRAL TEXAS SHOULD KEEP AN EYE TO APPROACHING
THUNDERSTORMS AAND BE PREPARED FOR TORRENTIAL DOWNPOURS...BLINDING
VISIBILITES...AND LOCALIZED FLOODING.

PERSONS TRAVELING HOME FROM WORK SHOULD TAKE EXTRA PRECAUTIONS
IF HEAVY RAINFALL IS OCCURRING...SLOW DOWN AND ALLOW ENOUGH ROOM
FOR THE CAR AHEAD OF YOU.

STAY TUNED TO NOAA WEATHER RADIO AND COMMERCIAL TV/RADIO FOR
THE LATEST WEATHER UPDATES.
WH
Special weather statement, Jul 19, 3:56 PM CDT, 14 minutes before
TXZ030-034>037-192200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
355 PM CDT SUN JUL 19 1992

...FLASH FLOOD WATCH IN EFFECT TONIGHT FOR BURNET...BLANCO...LLANO
   AND GILLESPIE COUNTIES...

AT 350 PM...NUMEROUS THUNDERSTORMS...WITH VERY HEAVY RAINFALL...
WERE MOVING NORTHWEST ACROSS CENTRAL AND SOUTH TEXAS.  THUNDERSTORMS
WITH VERY HEAVY RAINFALL WERE FROM NEW BRAUNFELS AND SEGUIN THROUGH
LOCKHART AND LULING TO BASTROP...AND FROM GEORGETOWN TO TEMPLE.

THESE STORMS WERE MOVING TO THE WEST AND NORTHWEST AT 15 MILES AN HOUR

OTHER THUNDERSTORMS WERE SCATTERED OVER THE HILL COUNTRY AROUND
LAMPASAS AND WEST OF BRIGGS.  THIS ACTIVITY WAS MOVING TO THE
NORTH AT 10 MILES AN HOUR.

YESTERDAYS HEAVY RAINFALL OVER THE WATCH AREA HAS PRODUCED A POTENTIAL
FLOOD SITUATION SHOULD MORE HEAVY RAINS FALL.  STREAMS ARE ABOVE
NORMAL AND SOILS REMAIN QUITE WET.

MOTORISTS ARE URGED TO AVOID FLOODED AREAS IN THE ROADWAY
AND NOT CROSS...EVEN BY FOOT.  CAMPERS ALONG CREEKS AND
RIVERS SHOULD PREPARE TO MOVE TO HIGHER GROUND IF HEAVY RAINS
BEGIN...OR A WARNING IS ISSUED.

PERSONS TRAVELING HOME FROM WORK SHOULD TAKE EXTRA PRECAUTIONS
IF HEAVY RAINFALL IS OCCURRING...SLOW DOWNz AND ALLOW ENOUGH ROOM
FOR THE CAR AHEAD OF YOU.

STAY TUNED TO NOAA WEATHER RADIO AND COMMERCIAL TV/RADIO FOR
THE LATEST WEATHER UPDATES.
WH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 8:48 PM CDTSevere Thunderstorm WarningEWXTravis, Williamson57 min
Jul 19, 4:00 AM CDTFlash Flood WarningEWXVal Verde6 hr
Jul 19, 10:10 AM CDTFlash Flood WarningEWXVal Verde6 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.