Alert archive / Texas / Tornado Warnings in 1986
Tornado Warning 16, NWS Fort Worth, TX
NWS Fort Worth, TX issued this tornado warning at Apr 12, 1986, 1:21 AM CST for Dallas County, Texas. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- Apr 12, 1986, 1:21 AM CST (07:21 UTC)
- Expired
- Apr 12, 1986, 2:20 AM CST
- In force
- 59 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
County Dallas 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, 7.4 hours before the alert went out and 138 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
- 543 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 630 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 322 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFTW 120721 TORFTW TXC113-120820- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE FORT WORTH TX 121 AM CST SAT APR 12 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 220 AM CST FOR PEOPLE IN THE FOLLOWING COUNTY OF NORTH CENTRAL TEXAS...DALLAS AT 120 AM WEATHER SERVICE RADAR INDICATED A POSSIBLE TORNADO 10 MILES NORTH OF LANCASTER IN SOUTHERN DALLAS COUNTY. MOVMENT OF THIS DANGEROUS THUNDERSTORM WAS EAST-SOUTHEAST AT 30 MILES AN HOUR. PERSONS LIVING IN WILMER HUTCHINS AND SEAGOVILLE SHOULD ARE IN THE PATH OF THIS POSSIBLE TORNADO. IF YOU ARE IN THE PATH OF THIS TORNADO..GO TO A BASEMENT SHELTER OR A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT. THIS IS AN EXTREMELY DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS TORNADO YOU SHOULD MOVE TO A SHELTER BELOW GROUND.D. IF AVAILABLE. OTHERWISE..GO TO A SMALL CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
What forecasters said that day
The local office's own words before this tornado 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, Apr 11, 7:26 PM CST, 5 hours 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
725 PM CST FRI APR 11 1986
...THUNDERSTORMS DEVELOPING ACROSS NORTHEAST TEXAS...
AT 720 PM CST NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF
THUNDERSTORMS ACROSS NORTHEAST TEXAS. THE THUNDERSTORMS EXTENDED FROM
JUST NORTH OF CLARKSVILLE SOUTHWARD TO NEAR DAINGERFIELD. THE STRONGEST
THUNDERSTORMS WERE NEAR NAPLES AND DAINGERFIELD IN MORRIS COUNTY..AND
NEAR_ BOX ELDER IN RED RIVER COUNTY.
MOVEMENT OF THESE THUNDERSTORMS WAS TOWARD THE NORTHEAST AT ABOUT 35
MILES AN HOUR. THESE THUNDERSTORMS MAY CONTAIN GUSTY WINDS AND SOME
SMALL HAIL.Special weather statement, Apr 11, 11:20 PM CST, 2 hours 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1120 PM CST FRI APR 11 1986
...THUNDERSTORMS DEVELOPING ACROSS NORTH TEXAS...
AT 1115 PM CST NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF
THUNDERSTORMS DEVELOPING RAPIDLY FROM NORTHERN TARRANT AND SOUTHERN
DENTON COUNTIES NORTHWESTWARD THROUGH DECATOR AND THEN WESTWARD TO
NEAR JACKSBORO. THE STRONGEST THUNDERSTORMS WERE JUST WEST OF DENTON
AND NEAR ALVORD IN WISE COUNTY.
MOVEMENT OF THESE THUNDERSTORMS WAS TOWARD THE SOUTHEAST AT ABOUT 30
MILES AN HOUR. THESE THUNDERSTORMS ARE DEVELOPING RAPIDLY AND HAVE
THE POTENTIAL TO PRODUCE STRONG WINDS AND HAIL. THE NATIONAL WEATHER
SERVICE WILL BE MONITORING THESE THUNDERSTORMS CLOSELY. LISTEN TO
NOAA WEATHER RADIO OR LOCAL RADIO/TV FOR ADDITIONAL STATEMENTS OR
POSSIBLE WARNINGS.The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 11:32 PM CST | Severe Thunderstorm Warning | FWD | Wise | 58 min |
| Apr 11, 11:39 PM CST | Severe Thunderstorm Warning | FWD | Denton | 51 min |
| Apr 12, 12:06 AM CST | Severe Thunderstorm Warning | FWD | Collin | 24 min |
| Apr 12, 12:19 AM CST | Severe Thunderstorm Warning | FWD | Dallas, Rockwall | 11 min |
| Apr 12, 12:24 AM CST | Severe Thunderstorm Warning | FWD | Dallas, Rockwall | 51 min |
| Apr 12, 12:31 AM CST | Severe Thunderstorm Warning | FWD | Tarrant | 59 min |
| Apr 12, 12:37 AM CST | Severe Thunderstorm Warning | FWD | Collin, Hunt | 53 min |
| Apr 12, 12:46 AM CST | Severe Thunderstorm Warning | FWD | Hopkins | 59 min |
| Apr 12, 12:58 AM CST | Severe Thunderstorm Warning | FWD | Kaufman | 62 min |
| Apr 12, 1:10 AM CST | Severe Thunderstorm Warning | FWD | Dallas | 35 min |
| Apr 12, 1:29 AM CST | Severe Thunderstorm Warning | FWD | Ellis | 61 min |
| Apr 12, 1:38 AM CST | Severe Thunderstorm Warning | FWD | Henderson, Van Zandt | 62 min |
| Apr 12, 2:36 AM CST | Severe Thunderstorm Warning | FWD | Smith | 54 min |
| Apr 12, 3:11 AM CST | Severe Thunderstorm Warning | FWD | Henderson | 64 min |
Nearby
Tornado Warnings in Texas, 1986Every tornado warning in 1986Tornadoes 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.