Alert archive / Mississippi / Tornado Warnings in 1990

Tornado Warning 15, NWS Jackson, MS

February 15, 1990Kemper County, Mississippi

NWS Jackson, MS issued this tornado warning at Feb 15, 1990, 1:42 PM CST for Kemper County, Mississippi. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Feb 15, 1990, 1:42 PM CST (19:42 UTC)
Expired
Feb 15, 1990, 2:30 PM CST
In force
48 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Kemper 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

Centreville/Bibb, AL (KCKL), launched 12:00Z, 7.7 hours before the alert went out and 136 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.

Skew-T log-pSkew-T log-p diagram, Centreville/Bibb, AL at 12:00Z on 1990-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Centreville/Bibb, AL at 12:00Z on 1990-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 257 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
8 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
608 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
257 m²/s²
0-3 km storm-relative helicity
402 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMEI 151944
TORMEI
MSC069-152030-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MERIDIAN MS
142 PM CST THU FEB 15 1990
 
THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  230 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL MISSISSIPPI
          ...KEMPER
 
AT 142 PM CST RADAR INDICATED A POSSIBLE TORNADO 10 MILES SOUTH
OF DEKALB MISSISSIPPI MOVING NORTHEAST AT 30 MPH.
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

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, 10:55 AM CST, 2 hours 47 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 35 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 31 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 30 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, 1 hour 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.
Local storm report, Feb 15, 1:42 PM CST, 0 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
142 PM CST THU FEB 15 1990

120 PM CST...NAVAL AIR STATION GATE GUARD REPORTS TORNADO TOUCH
             DOWN TWO MILES SOUTHWEST OF MAIN GATE.  LAUDERDALE
             COUNTY MISSISSIPPI.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 15, 9:27 AM CSTSevere Thunderstorm WarningJANNeshoba33 min
Feb 15, 10:11 AM CSTSevere Thunderstorm WarningJANNewton34 min
Feb 15, 10:25 AM CSTSevere Thunderstorm WarningJANJasper35 min
Feb 15, 10:28 AM CSTSevere Thunderstorm WarningJANLauderdale47 min
Feb 15, 10:42 AM CSTSevere Thunderstorm WarningJANKemper33 min
Feb 15, 10:42 AM CSTSevere Thunderstorm WarningJANHinds, Warren48 min
Feb 15, 11:03 AM CSTSevere Thunderstorm WarningJANJasper27 min
Feb 15, 11:15 AM CSTSevere Thunderstorm WarningJANClarke, Lauderdale60 min
Feb 15, 12:21 PM CSTFlash Flood WarningJANLauderdale2 hr
Feb 15, 12:27 PM CSTSevere Thunderstorm WarningJANJasper33 min
Feb 15, 12:40 PM CSTSevere Thunderstorm WarningJANNewton35 min
Feb 15, 12:45 PM CSTSevere Thunderstorm WarningJANSimpson, Smith45 min
Feb 15, 12:52 PM CSTTornado WarningJANLauderdale38 min
Feb 15, 12:55 PM CSTTornado WarningJANAmite50 min
Feb 15, 12:59 PM CSTTornado WarningJANSimpson, Smith31 min
Feb 15, 1:11 PM CSTTornado WarningJANJefferson Davis34 min
Feb 15, 1:21 PM CSTTornado WarningJANScott24 min
Feb 15, 1:24 PM CSTTornado WarningJANJasper, Newton51 min
Feb 15, 1:28 PM CSTTornado WarningJANLauderdale32 min
Feb 15, 1:33 PM CSTTornado WarningJANCovington, Smith27 min
Feb 15, 1:47 PM CSTTornado WarningJANPike18 min
Feb 15, 1:59 PM CSTTornado WarningJANSmith31 min
Feb 15, 2:01 PM CSTTornado WarningJANLauderdale44 min
Feb 15, 2:05 PM CSTTornado WarningJANLawrence, Lincoln25 min
Feb 15, 2:26 PM CSTTornado WarningJANJasper49 min
Feb 15, 2:37 PM CSTSevere Thunderstorm WarningJANSmith38 min
Feb 15, 2:37 PM CSTSevere Thunderstorm WarningJANCovington23 min
Feb 15, 2:45 PM CSTFlash Flood WarningJANSmith3 hr
Feb 15, 2:45 PM CSTFlash Flood WarningJANCovington, Jefferson Davis, Lawrence, Simpson3 hr
Feb 15, 2:49 PM CSTFlash Flood WarningJANLauderdale6 hr
Feb 15, 2:51 PM CSTTornado WarningJANLauderdale54 min
Feb 15, 3:41 PM CSTTornado WarningJANJasper49 min
Feb 15, 3:59 PM CSTSevere Thunderstorm WarningJANLauderdale46 min
Feb 15, 4:16 PM CSTSevere Thunderstorm WarningJANAdams, Jefferson29 min
Feb 15, 4:29 PM CSTSevere Thunderstorm WarningJANBolivar31 min
Feb 15, 4:51 PM CSTSevere Thunderstorm WarningJANHinds39 min
Feb 15, 5:03 PM CSTFlash Flood WarningJANJasper6 hr
Feb 15, 5:48 PM CSTSevere Thunderstorm WarningJANWashington27 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.