Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 71, NWS Fort Worth, TX
NWS Fort Worth, TX issued this flash flood warning at Sep 2, 1986, 6:12 AM CDT for Johnson County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Sep 2, 1986, 6:12 AM CDT (11:12 UTC)
- Expired
- Sep 2, 1986, 10:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
County Johnson 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 00:00Z, 11.2 hours before the alert went out and 71 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
- 207 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 858 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 31 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 KFTW 021112
FFWFTW
TXC251-021515-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
612 AM CDT TUE SEP 2 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 1015 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN NORTH CENTRAL TEXAS
..JOHNSON
AT 615 AM CDT A CLUSTER OF VERY HEAVY THUNDERSTORMS WAS LOCATED OVER
JOHNSON COUNTY. THESE THUNDERSTORMS HAD BEEN SITTING OVER THE SAME
AREA FOR THE PAST HOUR OR SO AND AS A RESULT A LARGE AMOUNT OF RAIN
HAD FALLEN.
THE SHERIFFS DEPARTMENT REPORTED THAT ROADS IN CLEBURNE WERE
BEGINNING TO FILL WITH WATER AND ANY FURTHER RAINFALL SHOULD RESULT
IN THE CLOSURE OF SEVERAL ROADS POSSIBLY MORE.
THESE STORMS WERE DRIFTING VERY SLOWLY TO THE NORTHEAST AND SHOULD
CONTINUE TO LINGER OVER JOHNSON COUNTY FOR AT LEAST ANOTHER HALF AN
HOUR TO AN HOUR. IN THIS LENGTH OF TIME ANOTHER 3 TO 5 INCHES COULD
ACCUMULATE.
MOST DEATHS IN FLASH FLOODING 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.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, Sep 2, 3:39 AM CDT, 2 hours 33 minutes before
^FTWSPSACT SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WACO TX 335 AM CDT TUE SEP 2 1986 ...ISOLATED HEAVY THUNDERSTORMS OVER PORTIONS OF CENTRAL TEXAS... AT 330 AM CDT RADAR INDICATED HEAVY THUNDERSTORMS OVER HILL COUNTY NEAR HILLSBORO MOVING SLOWLY NORTHEAST. NO REPORTS OF FLOODING HAS BEEN RECEIVED...BUT WITH THE SLOW MOVEMENT MINOR STREET FLOODING AND FLOODING OF LOW WATER CROSSINGS MAY OCCUR. MOTORIST ARE URGED TO DRIVE WITH CAUTBION THIS MORNING.
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 7:25 AM CDT | Flash Flood Warning | FWD | Bosque | 4 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.