Alert archive / Louisiana / Tornado Warnings in 1990
Tornado Warning 4, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Feb 15, 1990, 2:38 PM CST for Bienville Parish, Claiborne Parish, Lincoln Parish, Louisiana. It was in force for 67 min. 5 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
- Feb 15, 1990, 2:38 PM CST (20:38 UTC)
- Expired
- Feb 15, 1990, 3:45 PM CST
- In force
- 67 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Bienville Parish, LA, Claiborne Parish, LA, Lincoln Parish, LA
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 |
|---|---|---|---|
| Feb 15, 2:45 PM CST | Hail 1.75 | Bienville, LA | |
| Feb 15, 2:58 PM CST | Tornado F1 | Claiborne, LA | |
| Feb 15, 3:10 PM CST | Tornado F1 | Bienville, LA | |
| Feb 15, 3:15 PM CST | Hail 1 | Claiborne, LA | |
| Feb 15, 3:40 PM CST | Hail 0.88 | Lincoln, LA |
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 12:00Z, 8.6 hours before the alert went out and 161 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
- 342 J/kg
- Mixed-layer CIN
- -171 J/kg
- Mixed-layer LCL
- 1286 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 275 m²/s²
- 0-3 km storm-relative helicity
- 272 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSHV 152038
TORSHV
LAC013-027-061-152145-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
238 PM CST THU FEB 15 1990
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 345 PM CST
FOR PEOPLE IN THE FOLLOWING PARISHES...
IN NORTHWEST LOUISIANA
...BIENVILLE...CLAIBORNE...LINCOLN
AT 235PM CST...RADAR INDICATES A POSSIBLE TORNADO BETWEEN ARCADIA AND
GIBSLAND LOUISIANA. MOVEMENT WAS EAST NORTHEAST AT 45 MILES AN HOUR.
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 1:43 PM CST | Severe Thunderstorm Warning | SHV | Bossier, Caddo, Webster | 77 min |
| Feb 15, 1:43 PM CST | Severe Thunderstorm Warning | SHV | De Soto | 77 min |
| Feb 15, 2:13 PM CST | Tornado Warning | SHV | De Soto | 62 min |
| Feb 15, 2:15 PM CST | Severe Thunderstorm Warning | SHV | Claiborne | 60 min |
| Feb 15, 3:00 PM CST | Tornado Warning | SHV | Union | 75 min |
| Feb 15, 3:00 PM CST | Tornado Warning | SHV | Webster | 75 min |
| Feb 15, 4:15 PM CST | Severe Thunderstorm Warning | SHV | Morehouse, Union | 60 min |
| Feb 15, 4:15 PM CST | Severe Thunderstorm Warning | SHV | Lincoln | 60 min |
| Feb 15, 5:35 PM CST | Severe Thunderstorm Warning | SHV | Morehouse, Ouachita, Richland | 70 min |
Nearby
Tornado Warnings in Louisiana, 1990Every tornado warning in 1990Tornadoes in 1990
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.