Alert archive / Mississippi / Tornado Warnings in 1990
Tornado Warning 11, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Feb 15, 1990, 1:21 PM CST for Scott County, Mississippi. It was in force for 24 min.
The area
The counties it named.
The facts
- Issued
- Feb 15, 1990, 1:21 PM CST (19:21 UTC)
- Expired
- Feb 15, 1990, 1:45 PM CST
- In force
- 24 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Scott County, MS
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 7.4 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 151921
TORJAN
MSC123-151945-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
121 PM CST THU FEB 15 1990
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 145 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL MISSISSIPPI
...SOUTHEASTERN SCOTT
AT 120 PM...A TORNADO WAS INDICATED OVER EXTREME NORTHEASTERN SMITH
COUNTY. THIS STORM WILL BE CROSSING THE EXTREME SOUTHEASTERN CORNER OF
SCOTT COUNTY WITHIN THE NEXT 15 MINUTES. MOVEMENT WAS NORTHEAST AT
45 MILES AN HOUR.
IF YOU ARE OUTSIDE...SEEK SHELTER IN A STURDY BUILDING. AS A
LAST RESORT...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD WITH YOUR HANDS.
<What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Feb 15, 10:36 AM CST, 2 hours 45 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE JACKSON MS
1030 AM CST SAT FEB 10 1990
DELAYED STORM REPORT:
BETWEEN 900 AND 930 AM...IN THE BUSHY SPRINGS COMMUNITY ABOUT 7 MILES
EAST OF CRYSTAL SPRINGS IN COPIAH COUNTY...1 HOUSE TOTALLY
DESTROYED...8 HOUSES RECEIVING LIGHT TO MODERATE DAMAGE...
NUMEROUS TREES DOWN...POWER OUTAGE...ROADS BLOCKED.
(REPORT COURTESY JACKSON-HINDS EOC AND MEMA)Local storm report, Feb 15, 10:55 AM CST, 2 hours 26 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
1054 AM CST THU FEB 15 1990
1030 AM CST...WEATHER SERVICE EMPLOYEE REPORTED NICKLE SIZE HAIL
ON I20 1 MILE WEST OF NEWTON IN NEWTON COUNTY
MISSISSIPPI.Local storm report, Feb 15, 12:07 PM CST, 1 hour 14 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
1205 PM CST THU FEB 15 1990
940 AM CST...NESHOBA COUNTY CIVIL DEFENSE REPORTED NUMEROUS
TREES DOWN IN THE SOUTHWEST CORNER OF NESHOBA4
COUNTY MISSISSIPPI.Special weather statement, Feb 15, 12:11 PM CST, 1 hour 10 minutes before
MSZALL-151900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1210 PM CST THU FEB 15 1990 ...TORNADO WATCH REMAINS IN EFFECT UNTIL 5 PM FOR PORTIONS OF CENTRAL AND SOUTH MISSISSIPPI... AT 1205 PM CST RADAR SHOWED SCATTERED THUNDERSTORMS WITH HEAVY RAIN OVER THE SOUTHERN TWO THIRDS OF MISSISSIPPI. THE STRONGER THUNDERSTORMS WERE FROM LIBERTY MISSISSIPI TO NORTHEAST OF BROOKHAVEN...NEAR CARTHAGE AND JUST NORTHWEST OF CRYSTAL SPRINGS. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 40 MPH. A THUNDERSTORM OVER ST LANDRY PARRISH IN SOUTHEAST LOUISIANA MAY HAVE PRODUCED A TORNADO. THIS THUNDERSTORM CONTAINING THE POSSIBLE TORNADO WILL MOVE INTO WILKINSON COUNTY IN SOUTHWEST MISSISSIPPI AROUND 1230 PM. PERSONS IN WILKINSON COUNTY SHOULD REMAIN ALERT IN CASE A WARNING IS ISSUED. ALL OF THE STATE TODAY AND MOST OF TONIGHT. DUE TO THIS THREAT...IT IS VERY LIKELY THAT SEVERE WEATHER WATCHES AND WARNINGS WILL BE ISSUED LAT=ER TODAY AND TONIGHT. ALL INTERESTS IN MISSISSIPPI SHOULD STAY ABREAST OF DEVELOPING WEATHER CONDITIONS TODAY AND TONIGHT.
Special weather statement, Feb 15, 12:12 PM CST, 1 hour 9 minutes before
MSZALL-151900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1210 PM CST THU FEB 15 1990 ...TORNADO WATCH REMAINS IN EFFECT UNTIL 5 PM FOR PORTIONS OF CENTRAL AND SOUTH MISSISSIPPI... AT 1205 PM CST RADAR SHOWED SCATTERED THUNDERSTORMS WITH HEAVY RAIN OVER THE SOUTHERN TWO THIRDS OF MISSISSIPPI. THE STRONGER THUNDERSTORMS WERE FROM LIBERTY MISSISSIPI TO NORTHEAST OF BROOKHAVEN...NEAR CARTHAGE AND JUST NORTHWEST OF CRYSTAL SPRINGS. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 40 MPH. A THUNDERSTORM OVER ST LANDRY PARRISH IN SOUTHEAST LOUISIANA MAY HAVE PRODUCED A TORNADO. THIS THUNDERSTORM CONTAINING THE POSSIBLE TORNADO WILL MOVE INTO WILKINSON COUNTY IN SOUTHW>EST MISSISSIPPI AROUND 1230 PM. PERSONS IN WILKINSON COUNTY SHOULD REMAIN ALERT IN CASE A WARNING IS ISSUED.
Special weather statement, Feb 15, 12:42 PM CST, 39 minutes before
MSZALL-151900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 1225 PM CST THU FEB 15 1990 ...TORNADO WATCH NUMBER 35 REMAINS IN EFFECT FOR PORTIONS OF CENTRAL AND SOUTHERN MISSISSIPPI UNTIL 5:00PM THIS AFTERNOON AND EVENING... ...TORNADO WATCH NUMBER 36 REMAINS IN EFFECT FOR PORTIONS OF WESTERN AND NORTHWESTERN MISSISSIPPI UNTIL 6:00PM THIS AFTERNOON AND EVENING... AT 1225 PM CST RADAR INDICATED POTENTIALLY DANGEROUS THUNDERSTORMS OVER THE SOUTH THIRD OF MISSISSIPPI...20 MILES SOUTH OF NEWTON..AND IN A LARGE CLUSTER BETWEEN BROOKHAVEN AND MAGEE. ANOTHER VERY HEAVY THUNDERSTORM WAS LOCATED IN SOUTHEAST LOUISIANA ABOUT 30 MILES SOUTH OF WOODVILLE MISSISSIPPI. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS... FREQUENT CLOUD TO GROUND LIGHTNING...SMALL HAIL...AND LOCALLY HEAVY RAINFALL AS THEY MOVE TO THE NORTHEAST AT 35 MILES AN HOUR.
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, 12:59 PM CST | Tornado Warning | JAN | Simpson, Smith | 31 min |
| Feb 15, 1:11 PM CST | Tornado Warning | JAN | Jefferson Davis | 34 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; the sounding from the Mesonet's radiosonde archive.