Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 2, NWS Austin/San Antonio, TX

February 3, 1992Williamson County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Feb 3, 1992, 3:40 PM CST for Williamson County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Feb 3, 1992, 3:40 PM CST (21:40 UTC)
Expired
Feb 3, 1992, 6:45 PM CST
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Williamson County, TX

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 12:00Z, 9.7 hours before the alert went out and 181 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, Stephenville/Cla, TX at 12:00Z on 1992-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Stephenville/Cla, TX at 12:00Z on 1992-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939587897117Sfc1 km3 km6 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
NaN m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
54 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 KAUS 032146
FFWAUS
TXC491-040045-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
340 PM CST MON FEB 3 1992
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  645 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...WILLIAMSON COUNTY
 
AT 345 PM RADAR SHOWED HEAVY RAINS OVER THAT COUNTY WITH CLOSING
OF MANY ROADWAYS NOTED THROUGHOUT THE COUNTY.
 
THE SHERIFFS OFFICE IN THAT COUNTY CALLS THE SITUATIONS AS SERIOUS
AND PERSONS ARE ADVISED NOT TO ENTER FLOODED ROADWAYS.
 
PERSONS IN MILAM COUNTY SHOULD MONITOR THE RAINS AS SOME OF THE RAINS
WILL AFFECT THAT COUNTY IN THE NEXT HOUR.
 
DO NOT DRI(VE 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
Feb 3, 2:09 PM CSTFlash Flood WarningEWXBastrop, Caldwell, Travis3 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.