Alert archive / Mississippi / Tornado Warnings in 1989

Tornado Warning 21, NWS Jackson, MS

February 20, 1989Neshoba County, Newton County, Mississippi

NWS Jackson, MS issued this tornado warning at Feb 20, 1989, 9:50 PM CST for Neshoba County, Newton County, Mississippi. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Feb 20, 1989, 9:50 PM CST (03:50 UTC)
Expired
Feb 20, 1989, 10:30 PM CST
In force
40 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Neshoba County, MS, Newton 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 00:00Z, 3.8 hours before the alert went out and 95 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, Jackson, MS at 00:00Z on 1989-02-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 550 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, Jackson, MS at 00:00Z on 1989-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 305 square meters per square second.19395878Sfc1 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
550 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1115 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
305 m²/s²
0-3 km storm-relative helicity
410 m²/s²
Significant tornado parameter
0.8
Supercell composite
6.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEI 210350
TORMEI
MSC099-101-210430-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MERIDIAN MS
950 PM CST MON FEB 20 1989
 
THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1030 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN EAST CENTRAL MISSISSIPPI
          ...NESHOBA...NORTHERN NEWTON
 
AT 945 PM CST RADAR INDICATED A POSSIBLE TORNADO 2 MILES WEST OF UNION
MISSISSIPPI MOVING NORTHEAST AT 45 MILES AN HOUR.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 20, 6:23 PM CSTTornado WarningJANAttala, Madison37 min
Feb 20, 6:23 PM CSTTornado WarningJANHolmes37 min
Feb 20, 6:50 PM CSTSevere Thunderstorm WarningJANYazoo25 min
Feb 20, 7:00 PM CSTTornado WarningJANAttala30 min
Feb 20, 7:21 PM CSTSevere Thunderstorm WarningJANClaiborne39 min
Feb 20, 7:27 PM CSTTornado WarningJANChoctaw33 min
Feb 20, 7:50 PM CSTSevere Thunderstorm WarningJANHinds40 min
Feb 20, 8:18 PM CSTTornado WarningJANHinds27 min
Feb 20, 8:21 PM CSTSevere Thunderstorm WarningJANCopiah, Jefferson39 min
Feb 20, 8:28 PM CSTTornado WarningJANRankin32 min
Feb 20, 8:32 PM CSTTornado WarningJANWinston43 min
Feb 20, 8:34 PM CSTTornado WarningJANMadison26 min
Feb 20, 8:42 PM CSTTornado WarningJANCopiah48 min
Feb 20, 8:46 PM CSTTornado WarningJANHinds14 min
Feb 20, 8:57 PM CSTSevere Thunderstorm WarningJANRankin18 min
Feb 20, 9:04 PM CSTSevere Thunderstorm WarningJANLincoln31 min
Feb 20, 9:07 PM CSTTornado WarningJANWinston53 min
Feb 20, 9:15 PM CSTSevere Thunderstorm WarningJANSmith30 min
Feb 20, 9:22 PM CSTSevere Thunderstorm WarningJANLeake38 min
Feb 20, 10:07 PM CSTSevere Thunderstorm WarningJANSmith38 min
Feb 20, 10:54 PM CSTSevere Thunderstorm WarningJANJones36 min
Feb 20, 11:06 PM CSTTornado WarningJANJasper39 min
Feb 20, 11:20 PM CSTTornado WarningJANClarke25 min

Nearby

Tornado Warnings in Mississippi, 1989Every tornado warning in 1989Tornadoes in 1989

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.