Alert archive / Texas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 155, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 12, 1986, 1:29 AM CST for Ellis County, Texas. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Apr 12, 1986, 1:29 AM CST (07:29 UTC)
- Expired
- Apr 12, 1986, 2:30 AM CST
- In force
- 61 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
County Ellis 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, 7.5 hours before the alert went out and 124 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm 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, 11:20 PM CST, 2 hours 9 minutes 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, 1:21 AM CST | Tornado Warning | FWD | Dallas | 59 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
Severe Thunderstorm Warnings in Texas, 1986Every severe thunderstorm 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.