Alert archive / Mississippi / Tornado Warnings in 1990
Tornado Warning 28, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Feb 16, 1990, 12:37 AM CST for Covington County, Jefferson Davis County, Mississippi. It was in force for 13 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 16, 1990, 12:37 AM CST (06:37 UTC)
- Expired
- Feb 16, 1990, 12:50 AM CST
- In force
- 13 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
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 16, 12:50 AM CST | Hail 1.75 | Covington, 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
Jackson, MS (KJAN), launched 00:00Z, 6.6 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
- 1079 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 686 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 160637
TORJAN
MSC031-065-160715-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1237 AM CST FRI FEB 16 1990
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 115 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH CENTRAL MISSISSIPPI
...COVINGTON...SOUTHEASTERN JEFFERSON.DAVIS
AT 1230 AM CST...RADAR INDICATED A POSSIBLE TORNADO NEAR BASSFIELD
MOVING TO THE :NORTHEAST AT 50 MPH.
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS IN AN
INTERIOR ROOM ON THE LOWEST FLOOR. GET UNDER STURDY FURNITURE.
USE PILLOWS OR CUSHIONS TO COVER YOUR HEAD.
<The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 6:05 PM CST | Tornado Warning | JAN | Sunflower, Washington | 25 min |
| Feb 15, 6:24 PM CST | Tornado Warning | JAN | Leflore | 36 min |
| Feb 15, 6:47 PM CST | Tornado Warning | JAN | Grenada, Tallahatchie | 28 min |
| Feb 15, 6:49 PM CST | Flash Flood Warning | JAN | Noxubee | 6 hr |
| Feb 15, 6:55 PM CST | Flash Flood Warning | JAN | Neshoba | 6 hr |
| Feb 15, 6:58 PM CST | Flash Flood Warning | JAN | Kemper | 6 hr |
| Feb 15, 7:11 PM CST | Tornado Warning | JAN | Yalobusha | 34 min |
| Feb 15, 7:14 PM CST | Severe Thunderstorm Warning | JAN | Issaquena | 31 min |
| Feb 15, 7:28 PM CST | Flash Flood Warning | JAN | Newton | 6 hr |
| Feb 15, 7:33 PM CST | Severe Thunderstorm Warning | JAN | Humphreys, Sharkey | 27 min |
| Feb 15, 8:02 PM CST | Severe Thunderstorm Warning | JAN | Leflore | 28 min |
| Feb 15, 8:40 PM CST | Flash Flood Warning | JAN | Lauderdale | 4 hr |
| Feb 15, 8:54 PM CST | Severe Thunderstorm Warning | JAN | Jones | 51 min |
| Feb 15, 10:04 PM CST | Severe Thunderstorm Warning | JAN | Clarke | 26 min |
| Feb 15, 10:12 PM CST | Severe Thunderstorm Warning | JAN | Jones | 48 min |
| Feb 15, 10:18 PM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 27 min |
| Feb 15, 10:49 PM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 26 min |
| Feb 15, 11:07 PM CST | Severe Thunderstorm Warning | JAN | Wayne | 53 min |
| Feb 16, 12:04 AM CST | Severe Thunderstorm Warning | JAN | Jasper | 26 min |
| Feb 16, 12:12 AM CST | Severe Thunderstorm Warning | JAN | Covington | 33 min |
| Feb 16, 12:14 AM CST | Severe Thunderstorm Warning | JAN | Jones | 31 min |
| Feb 16, 12:29 AM CST | Severe Thunderstorm Warning | JAN | Jefferson Davis | 31 min |
| Feb 16, 12:30 AM CST | Severe Thunderstorm Warning | JAN | Jasper | 45 min |
| Feb 16, 12:52 AM CST | Severe Thunderstorm Warning | JAN | Clarke | 53 min |
| Feb 16, 5:05 AM CST | Severe Thunderstorm Warning | JAN | Lamar, Marion | 25 min |
Nearby
Tornado Warnings in Mississippi, 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.