Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 13, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Feb 3, 1990, 4:55 PM CST for Lamar County, Marion County, Mississippi. It was in force for 35 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 3, 1990, 4:55 PM CST (22:55 UTC)
- Expired
- Feb 3, 1990, 5:30 PM CST
- In force
- 35 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Lamar County, MS, Marion County, MS
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 3, 5:00 PM CST | Thunderstorm Wind 0 | Marion, MS |
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
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.9 hours before the alert went out and 108 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
- 239 J/kg
- Mixed-layer CIN
- -105 J/kg
- Mixed-layer LCL
- 615 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 032255
SVRJAN
MSC073-091-032330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
455 PM CST SAT FEB 3 1990
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTHEAST MISSISSIPPI
...LAMAR
IN SOUTH CENTRAL MISSISSIPPI
...EASTERN MARION
AT 455 PM CST...A POSSIBLE SEVERE THUNDERSTORM WAS INDICATED OVER
EXTREME EASTERN MARION COUNTY...ABOUT 5 MILES EAST OF COLUMBIA. THIS
STORM WAS MOVING TO THE NORTHEAST AT 40 MILES AN HOUR TOWARD WESTERN
LAMAR COUNTY.
IF YOU ARE OUTSIDE...SEEK SHELTER IN A STRONG BUILDING AWAY FROM
WINDOWS. DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND
DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
<The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 2, 7:51 PM CST | Severe Thunderstorm Warning | JAN | Rankin | 39 min |
| Feb 2, 8:06 PM CST | Severe Thunderstorm Warning | JAN | Issaquena | 39 min |
| Feb 2, 8:24 PM CST | Severe Thunderstorm Warning | JAN | Hinds | 36 min |
| Feb 2, 8:34 PM CST | Severe Thunderstorm Warning | JAN | Sunflower | 26 min |
| Feb 2, 8:45 PM CST | Severe Thunderstorm Warning | JAN | Washington | 30 min |
| Feb 2, 9:07 PM CST | Severe Thunderstorm Warning | JAN | Leflore | 38 min |
| Feb 2, 9:16 PM CST | Severe Thunderstorm Warning | JAN | Hinds | 29 min |
| Feb 2, 9:31 PM CST | Tornado Warning | JAN | Leflore, Tallahatchie | 29 min |
| Feb 2, 9:53 PM CST | Tornado Warning | JAN | Grenada | 37 min |
| Feb 2, 10:27 PM CST | Tornado Warning | JAN | Yalobusha | 33 min |
| Feb 2, 10:33 PM CST | Flash Flood Warning | JAN | Washington | 3 hr |
| Feb 2, 10:47 PM CST | Tornado Warning | JAN | Calhoun | 28 min |
| Feb 2, 11:26 PM CST | Severe Thunderstorm Warning | JAN | Bolivar | 34 min |
| Feb 3, 4:21 PM CST | Tornado Warning | JAN | Kemper, Neshoba, Noxubee, Winston | 54 min |
| Feb 3, 4:28 PM CST | Severe Thunderstorm Warning | JAN | Jasper | 32 min |
| Feb 3, 4:57 PM CST | Severe Thunderstorm Warning | JAN | Clarke | 48 min |
| Feb 3, 5:15 PM CST | Severe Thunderstorm Warning | JAN | Kemper | 45 min |
| Feb 3, 5:19 PM CST | Severe Thunderstorm Warning | JAN | Newton | 41 min |
| Feb 3, 5:25 PM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 50 min |
| Feb 3, 5:57 PM CST | Severe Thunderstorm Warning | JAN | Jasper | 48 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 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.