Alert archive / Mississippi / Tornado Warnings in 1990

Tornado Warning 3, NWS Jackson, MS

February 2, 1990Grenada County, Mississippi

NWS Jackson, MS issued this tornado warning at Feb 2, 1990, 9:53 PM CST for Grenada County, Mississippi. It was in force for 37 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 2, 1990, 9:53 PM CST (03:53 UTC)
Expired
Feb 2, 1990, 10:30 PM CST
In force
37 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Grenada 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

TimeReportWhereRemark
Feb 2, 10:10 PM CSTThunderstorm Wind 0Grenada, 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

Little Rock, AR (KLZK), launched 00:00Z, 3.9 hours before the alert went out and 119 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, Little Rock, AR at 00:00Z on 1990-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Little Rock, AR at 00:00Z on 1990-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3598 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 030354
TORJAN
MSC043-030430-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
953 PM CST FRI FEB 2 1990
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1030 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTH CENTRAL MISSISSIPPI
          ...WESTERN GRENADA
 
AT 950 PM CST...A SEVERE THUNDERSTORM POSSIBLY CONTAINING A TORNADO
WAS INDICATED ON THE GRENADA-TALLAHATCHIE COUNTYLINE. THIS IS THE SAME
STORM THAT MOVE THROUGH SUNFLOWER COUNTY PRODUCING AT LEAST
MARBLE SIZE HAIL. MOVEMENT WAS TO THE NORTHEAST AT 30 MILES AN HOUR.
 
 
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.

IssuedProductOfficeCountiesLasted
Feb 2, 7:51 PM CSTSevere Thunderstorm WarningJANRankin39 min
Feb 2, 8:06 PM CSTSevere Thunderstorm WarningJANIssaquena39 min
Feb 2, 8:24 PM CSTSevere Thunderstorm WarningJANHinds36 min
Feb 2, 8:34 PM CSTSevere Thunderstorm WarningJANSunflower26 min
Feb 2, 8:45 PM CSTSevere Thunderstorm WarningJANWashington30 min
Feb 2, 9:07 PM CSTSevere Thunderstorm WarningJANLeflore38 min
Feb 2, 9:16 PM CSTSevere Thunderstorm WarningJANHinds29 min
Feb 2, 9:31 PM CSTTornado WarningJANLeflore, Tallahatchie29 min
Feb 2, 10:27 PM CSTTornado WarningJANYalobusha33 min
Feb 2, 10:33 PM CSTFlash Flood WarningJANWashington3 hr
Feb 2, 10:47 PM CSTTornado WarningJANCalhoun28 min
Feb 2, 11:26 PM CSTSevere Thunderstorm WarningJANBolivar34 min
Feb 3, 4:21 PM CSTTornado WarningJANKemper, Neshoba, Noxubee, Winston54 min
Feb 3, 4:28 PM CSTSevere Thunderstorm WarningJANJasper32 min
Feb 3, 4:55 PM CSTSevere Thunderstorm WarningJANLamar, Marion35 min
Feb 3, 4:57 PM CSTSevere Thunderstorm WarningJANClarke48 min
Feb 3, 5:15 PM CSTSevere Thunderstorm WarningJANKemper45 min
Feb 3, 5:19 PM CSTSevere Thunderstorm WarningJANNewton41 min
Feb 3, 5:25 PM CSTSevere Thunderstorm WarningJANLauderdale50 min
Feb 3, 5:57 PM CSTSevere Thunderstorm WarningJANJasper48 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.