Alert archive / Texas / Flash Flood Warnings in 1986

Flash Flood Warning 74, NWS Austin/San Antonio, TX

February 3, 1986Burnet County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Feb 3, 1986, 9:05 AM CST for Burnet County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Feb 3, 1986, 9:05 AM CST (15:05 UTC)
Expired
Feb 3, 1986, 12:00 PM CST
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Burnet 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

Stephenville/Cla, TX (KSEP), launched 12:00Z, 3.1 hours before the alert went out and 159 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 1986-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Stephenville/Cla, TX at 12:00Z on 1986-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.19395878Sfc1 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
652 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
238 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 031508
FFWAUS
TXC053-031800-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
905 AM CST MON FEB 3 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE
UNTIL 1200 NOON CST FOR PERSONS IN  BURNET COUNTY OF TEXAS.

FLASH FLOODING HAS BEEN REPORTED IN THE BERTRAM AREA. HEAVY RAINS THERE
OF MORE THAN 3 INCHES HAVE BEEN REPORTED WITH TWO INCHES OF RAIN SINCE
ABOUT 7 AM.

IF YOU ARE IN THE THREATENED OR WARNED AREA..FLOODING IS TAKING PLACE
OR IS IMMINENT.  PLAN YOUR ESCAPE ROUTE AND KNOW WHERE HIGHER GROUND IS
LOCATED. REMEMBER..VERY HEAVY RAIN CAN QUICKLY FLOOD A LOW LYING AREA.

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, Feb 3, 6:14 AM CST, 2 hours 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
610 AM CST MON FEB 3 1986

                   ...RAIN FOR RUSH HOUR...

AN AREA OF LIGHT TO MODERATE SHOWERS WAS LOCATED FROM COMAL COUNTY..
SOUTH ACROSS WEST SAN ANTONIO..TO COTULLA THIS MORNING.

THE RAIN AREA IS MOVING SLOWLY EAST AND BRINGS THE PROMISE OF WET
STEETS TO SAN ANTONIO DURING THE RUSH HOUR.  MOTORISTS ARE URGED TO
USE GOOD JUDGEMENT AND DRIVE CAREFULLY THIS MORNING.  LEAVING A LITTLE
EARLIER FOR WORK MAY HELP ALLEVIATE SOME OF THE RUSH HOUR HASSLES
OF A RAINY MORNING.

RAIN IS EXPECTED TO FALL OVER SOUTH CENTRAL TEXAS AND THE HILL COUNTRY
THROUGH MUCH OF THE DAY IN RESPONSE TO AN UPPER LEVEL IMPULSE
MOVING SLOWLY NORTHEAST OUT OF NORTHERN MEXICO.  SOME OF THE RAIN
MAY BE HEAVY AT TIMES THIS AFTERNOON AND INTO THIS EVENING.
RAINFALL AMOUNTS OF UP TO AN INCH ARE LIKELY WITH THIS WEATHER SYSTEM..
WITH ISOLATED AMOUNTS OF UP TO 3 INCHES.

ADDITIONAL STATEMENTS OR WARNINGS WILL BE ISSUED LATER TODAY
AS CONDITIONS WARRANT.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 11:40 AM CSTFlash Flood WarningEWXWilliamson2 hr
Feb 3, 3:30 PM CSTFlash Flood WarningEWXBexar3 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.