Alert archive / Texas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 39, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 11, 1986, 5:26 PM CST for Denton County, Tarrant County, Texas. It was in force for 64 min. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 11, 1986, 5:26 PM CST (23:26 UTC)
- Expired
- Mar 11, 1986, 6:30 PM CST
- In force
- 64 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
Counties Denton County, TX, Tarrant County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 11, 5:45 PM CST | Hail 0.75 | Tarrant, TX | |
| Mar 11, 5:45 PM CST | Thunderstorm Wind 0 | Denton, TX | |
| Mar 11, 6:02 PM CST | Hail 0.75 | Denton, TX | |
| Mar 11, 6:10 PM CST | Hail 1 | Denton, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Fort Sill, OK (KFSI), launched 12:00Z, 11.4 hours before the alert went out and 215 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
- 1930 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 461 m²/s²
- 0-3 km storm-relative helicity
- 571 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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, Mar 11, 12:56 PM CST, 4 hours 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 1255 PM CST TUE MAR 11 1986 ...A TORNADO WATCH IS IN EFFECT UNTIL 800 PM CST THIS EVENING FOR MOST OF NORTH CENTRAL TEXAS... AT 1250 PM CST..WEATHER SERVICE RADAR INDICATED A RAPIDLY DEVELOPING LINE OF STRONG THUNDERSTORMS JUST WEST OF ABILENE. OTHER THUNDERSTORMS WERE LOCATED OVER NORTHERN COOKE COUNTY ALONG THE RED RIVER. ALL THUNDERSTORMS WERE MOVING RAPIDLY TOWARD THE NORTHEAST AT 35 MILES AN HOUR. PERSONS LIVING IN NORTHERN COOKE COUNTY SHOULD BE PREPARED FOR SUDDEN STRONG WINDS..DANGEROUS LIGHTNING..AND POSSIBLE HAIL. THIS THUNDERSTORM WILL LIKELY MOVE NORTH OF THE RED RIVER DURING THE NEXT 30 MINUTES. RESIDENTS OVER THE REMAINDER OF NORTH TEXAS ARE URGED TO KEEP INFORMED ABOUT DANGEROUS THUNDERSTORMS DEVELOPING IN YOUR AREA THE REMAINDER OF THIS AFTERNOON AND TO BE PREPARED TO MOVE TO A PLACE OF SHELTER IF THREATENING WEATHER IS SIGHTED OR A WAR$NING IS ISSUED FOR YOUR AREA.
Special weather statement, Mar 11, 2:03 PM CST, 3 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 200 PM CST TUE MAR 11 1986 ...A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST THIS EVENING FOR MOST OF NORTH CENTRAL TEXAS... AT 200 PM CST..WEATHER SERVICE RADAR INDICATED A RAPIDLY DEVELOPING LINE OF STRONG THUNDERSTORMS JUST WEST OF ABILENE AND EXTENDING NORTH TO THE RED RIVER WEST OF WICHITA FALLS. THIS LINE OF STRONG THUNDERSTORMS IS EXPECTED TO MOVE EASTWARD ACROSS NORTH CENTRAL TEXAS DURING THE NEXT SEVERAL HOURS. PRESENT MOVEMENT OF THESE THUNDERSTORMS IS TO THE NORTHEAST AT 40 MILES AN HOUR. PERSONS LIVING STEPHENS..EASTLAND..PALO PINTO..WISE..COOKE..COMANCHE.. AND ERATH COUNTIES CAN EXPECT THESE THUNDERSTORMS TO MOVE OVER YOUR AREA DURING THE NEXT COUPLE OF HOURS. THE STRONGEST THUNDERSTORMS WILL HAVE THE POTENTIAL TO SPAWN VIOLENT TORNADOES..DAMANGING WINDS.. AND LARGE HAIL AS WELL AS VERY HEAVY RAIN AND DEADLY LIGHTNING. < RESIDENTS OF NORTH TEXAS ARE URGED TO KEEP INFORMED OF DEVELOPING THUNDERSTORMS IN YOUR AREA AND TO SEEK REINFORCED SHELTER IF THREATENING WEATHER IS SIGHTED OR A WARNING IS ISSUED FOR YOUR AREA. REMEMBER IF A TORNADO WARNING IS ISSUED FOR YOUR LOCATION..ABAdNDON YOUR CAR OR MOBILE HOME FOR A REINFORCED SHELTER. IF IN BUILDING OR HOUSE..THE CENTRAL INTERIOR SECTION ON THE LOWEST FLOOR OFFERS THE BEST POSSIBLE PROTECTION.
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 11, 12:22 PM CST | Severe Thunderstorm Warning | FWD | Montague | 33 min |
| Mar 11, 12:55 PM CST | Severe Thunderstorm Warning | FWD | Knox | 60 min |
| Mar 11, 1:10 PM CST | Severe Thunderstorm Warning | FWD | Fisher, Jones | 55 min |
| Mar 11, 1:10 PM CST | Severe Thunderstorm Warning | FWD | Haskell | 55 min |
| Mar 11, 1:50 PM CST | Severe Thunderstorm Warning | FWD | Foard, Knox | 40 min |
| Mar 11, 2:10 PM CST | Severe Thunderstorm Warning | FWD | Baylor, Haskell, Throckmorton | 60 min |
| Mar 11, 2:50 PM CST | Severe Thunderstorm Warning | FWD | Archer | 60 min |
| Mar 11, 2:52 PM CST | Severe Thunderstorm Warning | FWD | Eastland | 68 min |
| Mar 11, 3:09 PM CST | Severe Thunderstorm Warning | FWD | Stephens | 66 min |
| Mar 11, 3:10 PM CST | Severe Thunderstorm Warning | FWD | Baylor | 30 min |
| Mar 11, 3:29 PM CST | Tornado Warning | FWD | Eastland | 61 min |
| Mar 11, 3:45 PM CST | Tornado Warning | FWD | Palo Pinto | 60 min |
| Mar 11, 3:50 PM CST | Severe Thunderstorm Warning | FWD | Archer | 50 min |
| Mar 11, 3:50 PM CST | Severe Thunderstorm Warning | FWD | Young | 35 min |
| Mar 11, 4:00 PM CST | Severe Thunderstorm Warning | FWD | Clay, Wichita | 60 min |
| Mar 11, 4:06 PM CST | Tornado Warning | FWD | Stephens | 69 min |
| Mar 11, 4:27 PM CST | Severe Thunderstorm Warning | FWD | Eastland | 63 min |
| Mar 11, 4:40 PM CST | Severe Thunderstorm Warning | FWD | Montague | 60 min |
| Mar 11, 4:40 PM CST | Tornado Warning | FWD | Palo Pinto, Parker | 65 min |
| Mar 11, 4:50 PM CST | Severe Thunderstorm Warning | FWD | Comanche | 55 min |
| Mar 11, 4:54 PM CST | Severe Thunderstorm Warning | FWD | Wise | 66 min |
| Mar 11, 5:03 PM CST | Severe Thunderstorm Warning | FWD | Erath | 57 min |
| Mar 11, 5:33 PM CST | Severe Thunderstorm Warning | FWD | Cooke | 57 min |
| Mar 11, 5:44 PM CST | Severe Thunderstorm Warning | FWD | Hood, Johnson, Somervell | 61 min |
| Mar 11, 5:44 PM CST | Severe Thunderstorm Warning | FWD | Erath | 61 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.