Alert archive / Texas / Flash Flood Warnings in 1986

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

February 3, 1986Bexar County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Feb 3, 1986, 3:30 PM CST for Bexar County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Feb 3, 1986, 3:30 PM CST (21:30 UTC)
Expired
Feb 3, 1986, 6:00 PM CST
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Bexar County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Victoria Regiona, TX (KVCT), launched 12:00Z, 9.5 hours before the alert went out and 171 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, Victoria Regiona, TX at 12:00Z on 1986-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 635 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Victoria Regiona, TX at 12:00Z on 1986-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
635 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
584 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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 KSAT 032132 COR
FFWSAT
TXC029-032330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED
NATIONAL WEATHER SERVICE SAN ANTONIO TX
330 PM CST MON FEB 3 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 600 PM CST FOR PEOPLE IN THE FOLLOWING COUNTY OF

SOUTH CENTRAL TEXAS...BEXAR

A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT.  BE PREPARED
TO MOVE TO A PLACE OF SAFETY IMMEDIATELY.

JUST BEFORE 330 PM CST HEAVY THUNDERSTORMS CONTINUED OVER THE
EASTERN PORTION OF BEXAR COUNTY WITH LIGHT TO MODERATE RAIN
OVER THE REMAINDER OF THE COUNTY.  WITH ONE TO TWO INCHES OF
RAIN ALREADY HAVING FALLEN OVER THE COUNTY..ADDITIONAL RAIN
WILL CONTINUE TO PRODUCE PROBLEMS.
 MOTORISTS ARE URGED NOT TO DRIVE INTO FLOODED LOW AREAS.  ALL
 PERSONS ARE REMINDED THAT FLOODING IS THE NUMBER ONE CAUSE OF
 WEATHER RELATED DEATH IN SOUTH TEXAS.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 9:05 AM CSTFlash Flood WarningEWXBurnet3 hr
Feb 3, 11:40 AM CSTFlash Flood WarningEWXWilliamson2 hr

Nearby

Flash Flood Warnings in Texas, 1986Every flash flood warning in 1986

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.