Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 1, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Feb 3, 1986, 11:40 AM CST for Williamson County, Texas. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Feb 3, 1986, 11:40 AM CST (17:40 UTC)
- Expired
- Feb 3, 1986, 2:00 PM CST
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Williamson 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, 5.7 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAUS 031738 FFWAUS TXC491-032000- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN TX 1140 AM CST MON FEB 3 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 200 PM CST FOR PERSONS IN WILLIAMSON COUNTY OF CENTRAL TEXAS. FLASH FLOODING HAS BEEN REPORTED IN WESTERN WILLIAMSON COUNTY AND RAIN FALL OF 4 INCHES HAS BEEN REPORTED AT ANDICE DURING THE MORNING HOURS. VERY HEAVY RAINS WERE MOVING ACROSS THE CENTRAL PORTION OF THE COUNTY AT 1130 AM. HEAVY RAINS HAVE MOVED OUT OF BURNET COUNTY AND THAT FLASH FLOOD WARNING WILL EXPIRE AT NOON. IF YOU ARE IN THE THREATENED OR WARNED AREA..FLOODING IS TAKING PLACE OR IS IMMINENT. PLAN YOUUR 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, 5 hours 26 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 3, 9:05 AM CST | Flash Flood Warning | EWX | Burnet | 3 hr |
| Feb 3, 3:30 PM CST | Flash Flood Warning | EWX | Bexar | 3 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.