Alert archive / Louisiana / Tornado Warnings in 1990
Tornado Warning 3, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Feb 15, 1990, 2:13 PM CST for De Soto Parish, Louisiana. It was in force for 62 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
- Feb 15, 1990, 2:13 PM CST (20:13 UTC)
- Expired
- Feb 15, 1990, 3:15 PM CST
- In force
- 62 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County De Soto 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, 2:25 PM CST | Tornado F1 | De Soto, 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, 8.2 hours before the alert went out and 88 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 152014 RRA
TORSHV
LAC031-152115-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
213 PM CST THU FEB 15 1990
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 315 PM CST
FOR PEOPLE IN THE FOLLOWING PARISH...
IN NORTHWEST LOUISIANA
...DESOTO
AT 205 PM CST THE NATIONAL WEATHER SERVICE RADAR AT SHREVEPORT
INDICATES A POSSIBLE TORNADO 10 MILES WEST SOUTHWEST OF GRAND CANE.
MOVEMENT WAS TOWARD THE EAST NORTHEAST AT 45 MPH.
THIS STORM WILL MOVE ACROSS DE SOTO PARRISH NEAR GRAND CANE AND MAY
AFFECT NORTHWEST RED RIVER....EXTREME SOUTHERN
CADDDO...BIENVILLE...AND WEBSTER PARRISHES.
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
SUCH 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, 2:15 PM CST | Severe Thunderstorm Warning | SHV | Claiborne | 60 min |
| Feb 15, 2:38 PM CST | Tornado Warning | SHV | Bienville, Claiborne, Lincoln | 67 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.