Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 21, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Feb 9, 1990, 4:43 PM CST for 4 counties in Texas. It was in force for 82 min. 6 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 9, 1990, 4:43 PM CST (22:43 UTC)
- Expired
- Feb 9, 1990, 6:05 PM CST
- In force
- 82 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Harrison County, TX, Panola County, TX, Rusk County, TX, Shelby 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 |
|---|---|---|---|
| Feb 9, 4:55 PM CST | Hail 1.75 | Rusk, TX | |
| Feb 9, 5:25 PM CST | Hail 1.75 | Harrison, TX | |
| Feb 9, 5:40 PM CST | Hail 1 | Panola, TX | |
| Feb 9, 5:45 PM CST | Hail 1.75 | Shelby, TX | |
| Feb 9, 5:45 PM CST | Thunderstorm Wind 0 | Shelby, TX | |
| Feb 9, 5:50 PM CST | Hail 0.88 | Rusk, 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 12:00Z, 10.7 hours before the alert went out and 29 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
- 891 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 661 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSHV 092257 COR
SVRSHV
ARC027-LAC027-TXC365-401-203-419-100005-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTION
NATIONAL WEATHER SERVICE SHREVEPORT LA
443 PM CST FRI FEB 9 1990
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 605 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES AND PARISHES...
IN SOUTHWEST ARKANSAS
...SOUTHEAST COLUMBIA
IN NORTHWEST LOUISIANA
...NORTHWEST CLAIBORNE
IN NORTHEAST TEXAS
...PANOLA...RUSK...HARRISON...SHELBY
AT 440 PM WEATHER SERVICE RADAR IN SHREVEPORT SHOWED SEVERE
THUNDERSTORMS NEAR COTTON VALLEY LOUISIANA 15 MILES WEST OF CARTHAGE
AND 20 MILES SOUTHWEST OF HENDERSON TEXAS.
THESE STORMS WERE MOVING EAST NORTHEAST AT 40 MPH AND WILL LIKELY
PRODUCE HAILTO GOLFBALL SIZE HIGH AND GUSTY AND POSSIBLY DAMAGING
WINDS. A TORNADO WATCH ALSO REMAINS IN EFFECT.
THESE STORMS ARE PART OF A BAND OF STRONG AND SOME SEVERE
THUNDERSTORMS FROM EAST CENTRAL ARKANSAS TO NEAR MAGNOLIA...
TO NEAR SHREVEPORT TO 30 MILES WEST OF LUFKIN TEXAS.
THE SYSTEM WAS MOVING EAST SOUTHEAST AT 30 MPH AND WILL OVERSPREAD THE
ENTIRE ARKLATEX THIS EVENING AND NIGHT.
BESIDES THEO THREAT OF SEVERE WEATHER...LIGHTNING STRIKES WILL OCCUR
ALONG WITH LOW AREA FLOODING ASSOCIATED WITH HEAVY RAINFALL.The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 9, 1:04 PM CST | Severe Thunderstorm Warning | SHV | Bowie, Cass | 56 min |
| Feb 9, 2:38 PM CST | Severe Thunderstorm Warning | SHV | Gregg, Harrison | 67 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning 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.