Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 3, NWS Austin/San Antonio, TX

February 3, 1992Gillespie County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Feb 3, 1992, 6:40 PM CST for Gillespie County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Feb 3, 1992, 6:40 PM CST (00:40 UTC)
Expired
Feb 3, 1992, 9:30 PM CST
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Gillespie County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.7 hours before the alert went out and 211 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, Del Rio, TX at 00:00Z on 1992-02-04Temperature 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 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 1992-02-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
843 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
84 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 040040
FFWAUS
TXC171-491-040330-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
640 PM CST MON FEB 3 1992
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  930 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...GILLESPIE COUNTY...WILLIAMSON COUNTY
 
FLASH FLOOD WARNING FOR WILLIAMSON COUNTY WILL BE EXTENDED SINCE
MODERATE TO HEAVY RAINS HAVE REDEVELOPED OVER THE SOUTHERN PART OF THE
COUNTY AND WILL BE MOVING OVER THAT COUNTY ADDING TO THE FLOODING
PROBLEMS.
 
GILLESPIE COUNTY HAS HAD MODERATE TO HEAVY RAIN OVER THE PAST
HOUR AND RAINS WILL PERSIST IN THAT COUNTY FOR THE NEXT TWO HOURS.
 
PERSONS IN HAYS...TRAVIS...BURNET AND BLANCO CONTUIES NEED TO MONITOR
THE MOVEMENT OR THESE HEAVY RAINS AS WILL BE MOVING INTO THE ABOVE
COUNTIES BETWEEN 7 AND 8 PM.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERKS 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 6:40 PM CSTFlash Flood WarningEWXWilliamson3 hr
Feb 3, 10:05 PM CSTFlash Flood WarningEWXBandera, Kendall, Kerr8 hr
Feb 3, 10:05 PM CSTFlash Flood WarningEWXBexar, Comal, Medina8 hr
Feb 4, 1:14 AM CSTFlash Flood WarningEWXBastrop, Caldwell6 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.