Alert archive / Mississippi / Tornado Warnings in 1990
Tornado Warning 9, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Feb 15, 1990, 12:59 PM CST for Simpson County, Smith County, Mississippi. It was in force for 31 min. 2 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, 12:59 PM CST (18:59 UTC)
- Expired
- Feb 15, 1990, 1:30 PM CST
- In force
- 31 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Simpson County, MS, Smith 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 15, 1:00 PM CST | Thunderstorm Wind 0 | Simpson, MS | |
| Feb 15, 1:15 PM CST | Thunderstorm Wind 0 | Smith, 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 12:00Z, 7.0 hours before the alert went out and 52 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
- 1189 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 728 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 151900
TORJAN
MSC127-129-151930-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1259 PM CST THU FEB 15 1990
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 130 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN CENTRAL MISSISSIPPI
...SIMPSON...SMITH
AT 100 PM...THE SEVERE THUNDERSTORM NEAR MAGEE IN EASTERN SIMPSON
COUNTY NOW APPEARS TO HAVE A POSSIBLE TORNADO ASSOCIATED WITH IT. THUS
THE WARNING HAS NOW BEEN UPGRADED TO A TORNADO WARNING. THE STORM IS
MOVING TO THE NORTHEAST AT 45 MILES AN HOUR...AND COULD BE
NEAR RALEIGH WITHIN 20 MINUTES.
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, 9:27 AM CST | Severe Thunderstorm Warning | JAN | Neshoba | 33 min |
| Feb 15, 10:11 AM CST | Severe Thunderstorm Warning | JAN | Newton | 34 min |
| Feb 15, 10:25 AM CST | Severe Thunderstorm Warning | JAN | Jasper | 35 min |
| Feb 15, 10:28 AM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 47 min |
| Feb 15, 10:42 AM CST | Severe Thunderstorm Warning | JAN | Kemper | 33 min |
| Feb 15, 10:42 AM CST | Severe Thunderstorm Warning | JAN | Hinds, Warren | 48 min |
| Feb 15, 11:03 AM CST | Severe Thunderstorm Warning | JAN | Jasper | 27 min |
| Feb 15, 11:15 AM CST | Severe Thunderstorm Warning | JAN | Clarke, Lauderdale | 60 min |
| Feb 15, 12:21 PM CST | Flash Flood Warning | JAN | Lauderdale | 2 hr |
| Feb 15, 12:27 PM CST | Severe Thunderstorm Warning | JAN | Jasper | 33 min |
| Feb 15, 12:40 PM CST | Severe Thunderstorm Warning | JAN | Newton | 35 min |
| Feb 15, 12:45 PM CST | Severe Thunderstorm Warning | JAN | Simpson, Smith | 45 min |
| Feb 15, 12:52 PM CST | Tornado Warning | JAN | Lauderdale | 38 min |
| Feb 15, 12:55 PM CST | Tornado Warning | JAN | Amite | 50 min |
| Feb 15, 1:11 PM CST | Tornado Warning | JAN | Jefferson Davis | 34 min |
| Feb 15, 1:21 PM CST | Tornado Warning | JAN | Scott | 24 min |
| Feb 15, 1:24 PM CST | Tornado Warning | JAN | Jasper, Newton | 51 min |
| Feb 15, 1:28 PM CST | Tornado Warning | JAN | Lauderdale | 32 min |
| Feb 15, 1:33 PM CST | Tornado Warning | JAN | Covington, Smith | 27 min |
| Feb 15, 1:42 PM CST | Tornado Warning | JAN | Kemper | 48 min |
| Feb 15, 1:47 PM CST | Tornado Warning | JAN | Pike | 18 min |
| Feb 15, 1:59 PM CST | Tornado Warning | JAN | Smith | 31 min |
| Feb 15, 2:01 PM CST | Tornado Warning | JAN | Lauderdale | 44 min |
| Feb 15, 2:05 PM CST | Tornado Warning | JAN | Lawrence, Lincoln | 25 min |
| Feb 15, 2:26 PM CST | Tornado Warning | JAN | Jasper | 49 min |
| Feb 15, 2:37 PM CST | Severe Thunderstorm Warning | JAN | Smith | 38 min |
| Feb 15, 2:37 PM CST | Severe Thunderstorm Warning | JAN | Covington | 23 min |
| Feb 15, 2:45 PM CST | Flash Flood Warning | JAN | Smith | 3 hr |
| Feb 15, 2:45 PM CST | Flash Flood Warning | JAN | Covington, Jefferson Davis, Lawrence, Simpson | 3 hr |
| Feb 15, 2:49 PM CST | Flash Flood Warning | JAN | Lauderdale | 6 hr |
| Feb 15, 2:51 PM CST | Tornado Warning | JAN | Lauderdale | 54 min |
| Feb 15, 3:41 PM CST | Tornado Warning | JAN | Jasper | 49 min |
| Feb 15, 3:59 PM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 46 min |
| Feb 15, 4:16 PM CST | Severe Thunderstorm Warning | JAN | Adams, Jefferson | 29 min |
| Feb 15, 4:29 PM CST | Severe Thunderstorm Warning | JAN | Bolivar | 31 min |
| Feb 15, 4:51 PM CST | Severe Thunderstorm Warning | JAN | Hinds | 39 min |
| Feb 15, 5:03 PM CST | Flash Flood Warning | JAN | Jasper | 6 hr |
| Feb 15, 5:48 PM CST | Severe Thunderstorm Warning | JAN | Washington | 27 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.