Alert archive / Texas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 49, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 11, 1986, 8:34 PM CST for Red River County, Texas. It was in force for 56 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, 8:34 PM CST (02:34 UTC)
- Expired
- Mar 11, 1986, 9:30 PM CST
- In force
- 56 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
County Red River 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, 9:00 PM CST | Hail 0.88 | Red River, 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
Longview/Gregg, TX (KGGG), launched 00:00Z, 2.6 hours before the alert went out and 147 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
- 2309 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 524 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 323 m²/s²
- 0-3 km storm-relative helicity
- 327 m²/s²
- Significant tornado parameter
- 5.0
- Supercell composite
- 17.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFTW 120234 SVRFTW TXC387-120330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FORT WORTH TX 834 PM CST TUE MAR 11 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 PM CST FOR PEOPLE IN THE FOLLOWING COUNTY OF NORTHEAST TEXAS...RED RIVER AT 825 PM CST RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS MOVING INTO THE WESTERN PART OF RED RIVER COUNTY. THE LINE OF THUNDERSTORMS WAS MOVING EAST AT 40 MPH. THIS IS A DANGEROUS STORM. MOVE TO A REINFORCED SHELTER IMMEDIATELY. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH..LARGE HAIL AND DEADLY LIGHTNING. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA SO REMEMBER THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING.
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 11, 6:04 PM CST | Tornado Warning | FWD | Denton | 56 min |
| Mar 11, 6:16 PM CST | Severe Thunderstorm Warning | FWD | Collin | 59 min |
| Mar 11, 6:26 PM CST | Severe Thunderstorm Warning | FWD | Grayson | 64 min |
| Mar 11, 6:35 PM CST | Severe Thunderstorm Warning | FWD | Bosque | 55 min |
| Mar 11, 6:53 PM CST | Severe Thunderstorm Warning | FWD | Ellis, Johnson | 67 min |
| Mar 11, 7:09 PM CST | Severe Thunderstorm Warning | FWD | Fannin, Hunt | 66 min |
| Mar 11, 7:47 PM CST | Severe Thunderstorm Warning | FWD | Delta, Lamar | 58 min |
| Mar 11, 9:24 PM CST | Severe Thunderstorm Warning | FWD | Franklin, Titus | 66 min |
| Mar 11, 9:24 PM CST | Severe Thunderstorm Warning | FWD | Freestone | 66 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.