Alert archive / Texas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 21, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 11, 1986, 12:22 PM CST for Montague County, Texas. It was in force for 33 min. 1 report 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, 12:22 PM CST (18:22 UTC)
- Expired
- Mar 11, 1986, 12:55 PM CST
- In force
- 33 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
County Montague 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, 12:33 PM CST | Hail 1.75 | Montague, 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, 6.4 hours before the alert went out and 125 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
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSPS 111826 COR SVRSPS TXC337-111922- BULLETIN-IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING...CORRECTION... NATIONAL WEATHER SERVICE WICHITA FALLS TX 1222 PM CST TUE MAR 11 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 122 PM CST FOR THE PEOPLE IN THE FOLLOWING COUNTY OF NORTH CENTRAL TEXAS...MONTAGUE. AT 1220 PMCST...A SEVERE THUNDERSTORM WAS INDICATED BETWEEN BOWIE AND SAINT JO. IT WAS MOVING TOWARDS THEi NORTHEAST AT 35 MPH. BE PREPARED TO MOVE TO A PLACE OF SAFETY...IF NECESSARY.
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, 6:48 AM CST, 5 hours 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
645 AM CST TUE MAR 11 1986
...ROUGH WEATHER POSSIBLE ACROSS NORTH TEXAS TODAY...
A STRONG UPPER LEVEL STORM SYSTEM MOVING THROUGH THE SOUTHWEST UNITED
STATES THIS MORNING IS EXPECTED TO MOVE INTO SOUTHWEST TEXAS TODAY
TRIGGERING SCATTERED THUNDERSTORMS ACROSS MOST OF NORTH TEXAS. THE
COLD FRONT WHICH BROUGHT COOLER..DRIER AIR TO NORTH TEXAS YESTERDAY..
STALLED IN SOUTH TEXAS OVERNIGHT. THE FRONT IS MOVING BACK NORTHWARD
THIS MORNING USHERING WARM..MOIST UNSTABLE AIR BACK INTO NORTH TEXAS
AHEAD OF THE UPPER LEVEL SYSTEM.
A LOW PRESSURE SYSTEM IS EXPECTED TO DEVELOP AROUND MIDDAY IN THE
WESTERN PART OF NORTH TEXAS. THUNDERSTORMS WILL DEVELOP IN THE VICINITY
OF THE SYSTEM AND EXTEND SOUTHWARD ALONG THE ZONE OF SHARP CONTRAST
BETWEEN MOIST AIR TO THE EAST AND DRY AIR TO THE WEST. THE THUNDERSTORMS
ARE EXPECTED TO MOVE INTO NORTH CENTRAL TEXAS DURING THE LATE AFTERNOON
OR EARLY EVENING..AND INTO NORTHEAST TEXAS TONIGHT.
CONDITIONS ARE SUCH THAT SOME OF THESE THUNDERSTORMS MAY BECOME
SEVERE ACROSS NORTH CENTRAL TEXAS THIS AFTERNOON AND IN NORTHEAST
TEXAS TONIGHT. RESIDENTS OF NORTH TEXAS SHOULD MONITOR THIS SITUATION
CLOSELY DURING THE DAY. ADDITIONAL STATEMENTS WILL BE ISSUED AS THE
SITUATION DEVELOPS.Special weather statement, Mar 11, 9:53 AM CST, 2 hours 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
950 AM CST TUE MAR 11 1986
...THREAT OF SEVERE WEATHER ACROSS NORTH TEXAS TODAY...
THERE IS THE POTENTIAL FOR VIOLENT THUNDERSTORMS TO DEVELOP ACROSS
PORTIONS OF NORTH TEXAS TODAY AND TONIGHT. THIS MORNING..WEATHER
SERVICE FORECASTERS CONTINUED TO MONITOR A VIGOROUS UPPER LEVEL STORM
SYSTEM CENTERED OVER SOUTHEAST ARIZONA THAT WILL BE TRACKING INTO WEST
CENTRAL TEXAS THIS AFTERNOON. AT THE SURFACE..WARM AND VERY UNSTABLE
GULF AIR WAS MOVING NORTHWARD BEHIND A WARM FRONT THAT STRETCHED
ALONG A LONGVIEW TO ABILENE LINE.
LATER THIS AFTERNOON..THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG A
FRONTAL BOUNDARY..CURRENTLY LOCATED OVER WEST TEXAS..WHICH SEPARATED
DRIER AIR OVER WEST TEXAS FROM THE WARM..MOIST..AND UNSTABLE AIR OVER
THE REST OF TEXAS.
THE MOST THREATENING THUNDERSTORMS WILL LIKELY PRODUCE DAMANGING WINDS
AND LARGE HAIL. DEADLY LIGHTNING AND HEAVY RAINS WILL ALSO ACCOMPANY
THESE THUNDERSTORMS.
THIS APPEARS TO BE A MAJOR SEVERE WEATHER THREAT FOR ALL OF NORTH
TEXAS BOTH TODAY AND THIS EVENING. RESIDENTS ARE URGED TO KEEP A
WATCHFUL EYE ON THE SKY AND CONTINUE MONITORING THE6 LATEST WEATHER
INFORMATION FROM YOUR NATIONAL WEATHER SERVICE.The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 5:26 PM CST | Severe Thunderstorm Warning | FWD | Denton, Tarrant | 64 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.