Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 49, NWS Austin/San Antonio, TX

May 16, 1992Bastrop County, Lee County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 16, 1992, 9:58 PM CDT for Bastrop County, Lee County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
May 16, 1992, 9:58 PM CDT (02:58 UTC)
Expired
May 17, 1992, 1:00 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Bastrop County, TX, Lee County, TX

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 3.0 hours before the alert went out and 242 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 00:00Z on 1992-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 598 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Stephenville/Cla, TX at 00:00Z on 1992-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
598 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
740 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
91 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 170300
FFWAUS
TXC021-287-170600-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
958 PM CDT SAT MAY 16 1992
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  100 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...BASTROP COUNTY...LEE COUNTY
 
AT 950 PM...RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAINFALL NEAR
CEDAR CREEK EXTENDING WESTWARD TO BUDA...OVER EASTERN BASTROP COUNTY
FROM SMITHVILLE AND BASTROP TO PAIGE...AND AROUND LEXINGTON.
 
THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 10 MILES AN HOUR.
 
THE WARNING FOR BASTROP COUNTY IS BEING EXTENDED UNTIL 1 AM.
 
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.
 
MOST DEA&THS IN FLASH FLOODING 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.

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:46 PM CDTTornado WarningEWXAtascosa44 min
May 16, 8:12 PM CDTFlash Flood WarningEWXBastrop2 hr
May 16, 8:27 PM CDTTornado WarningEWXWilson63 min
May 16, 9:13 PM CDTFlash Flood WarningEWXWilson4 hr
May 16, 9:51 PM CDTFlash Flood WarningEWXGonzales4 hr
May 16, 11:20 PM CDTFlash Flood WarningEWXAtascosa, Karnes, La Salle, McMullen4 hr
May 17, 1:49 AM CDTFlash Flood WarningEWXLavaca116 min

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.