Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 43, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 18, 1986, 9:55 AM CDT for Bandera County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 18, 1986, 9:55 AM CDT (14:55 UTC)
- Expired
- Jun 18, 1986, 1:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Bandera 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
Del Rio, TX (KDRT), launched 12:00Z, 2.9 hours before the alert went out and 160 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
- 758 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 665 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAAOO KSAT 181444
FFWSAT
TXC019-181800-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
955 AM CDT WED JUN 18 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 100 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY:
IN SOUTH CENTRAL TEXAS
..BANDERA
AT 950 AM CDT RADAR CONTINUED TO INDICATE A BROAD AREA OF STRONG
THUNDERSTORMS COVERING MUCH OF BANDERA COUNTY. STORMS ARE MOVING
TOWARD THE NORTH AT LESS THAN 10 MPH. RAINFALL BETWEEN 3 AND 5 INCHES
HAS BEEN REPORTED IN PORTIONS OF BANDERA COUNTY THIS MORNING AND RAIN
CONTINUES.
A FLASH FLOOD WARNING CONTINUES IN EFFECT UNTIL NOON FOR BEXAR
COUNTY.
A FLASH FLOOD WATCH IS IN EFFECT TODAY FOR MOST OF SOUTHCENTRAL
TEXAS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS 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. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES, DIPS, OR LOW SPOTS IF WATER COVERjS THE
ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM, EVEN A SMALL ONE,
ON FOOT.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, Jun 18, 6:25 AM CDT, 3 hours 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
620 AM CDT WED JUN 18 1986
..A LARGE AREA OF HEAVY RAINFALL IS LOCATED SOUTH OF GILLESPIE..BLANCO
AND HAYS COUNTY MOVING SLOWLY NORTHWARD..
THIS LARGE AREA OF RAIN HAS ALREADY PRODUCED TWO TO FOUR INCHES OF
RAINFALL OVER PORTIONS OF BEXAR COUNTY THROUGH THE NIGHT..CAUSING A
FLASH FLOOD WARNING TO BE ISSUED FOR BEXAR COUNTY UNTILL MID MORNING.
AS THIS AREA SPREADS NORTHWARD..PERSONS IN GILLESPIE..BLANCO AND HAYS
COUNTY SHOULD BE ON THE ALERT FOR HEAVY RAINFALL THIS MORNING..THAT MAY
PRODUCE FLASH FLOODING IN LOW LYING AREAS AND LOW WATER CROSSINGS.
ADDITIONAL STATEMENTS WILL BE ISSUED IF NEEDED THIS MORNING.The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 4:26 AM CDT | Flash Flood Warning | EWX | Bexar | 5 hr |
| Jun 18, 6:45 AM CDT | Flash Flood Warning | EWX | Bandera | 3 hr |
| Jun 18, 8:56 AM CDT | 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.