Alert archive / Mississippi / Tornado Warnings in 1998

Tornado Warning 28, NWS Jackson, MS

April 8, 1998Scott County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 8, 1998, 7:49 PM CDT for Scott County, Mississippi. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 8, 1998, 7:49 PM CDT (00:49 UTC)
Expired
Apr 8, 1998, 8:30 PM CDT
In force
41 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Scott County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 8, 2:00 PM CDTTornado WatchSPC6 hr
Apr 8, 7:30 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.8 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.

Skew-T log-pSkew-T log-p diagram, Jackson, MS at 00:00Z on 1998-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2202 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 1998-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
2202 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1092 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
1.4
Supercell composite
5.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 090049 RRA
TORJAN
MSC123-090130-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
749 PM CDT WED APR 8 1998
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  830 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MISSISSIPPI
 
   ...SCOTT COUNTY
 
AT 749 PM...RADAR INDICATED A POSSIBLE TORNADO 10 MILES WEST OF MORTON
MOVING NORTHEAST ABOUT 45 MPH. THE STORM WILL MOVE BETWEEND FORKVILLE
AND MORTON BY 810 PM.
 
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.
<
 
68

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 7:09 PM CDTTornado WarningJANHinds, Rankin51 min
Apr 8, 7:24 PM CDTSevere Thunderstorm WarningJANLeake66 min
Apr 8, 7:31 PM CDTSevere Thunderstorm WarningJANCopiah44 min
Apr 8, 7:45 PM CDTSevere Thunderstorm WarningJANOktibbeha45 min
Apr 8, 8:00 PM CDTSevere Thunderstorm WarningJANRankin45 min
Apr 8, 8:16 PM CDTSevere Thunderstorm WarningJANWinston44 min
Apr 8, 8:44 PM CDTSevere Thunderstorm WarningJANNeshoba46 min
Apr 8, 8:51 PM CDTSevere Thunderstorm WarningJANNewton39 min
Apr 8, 9:02 PM CDTSevere Thunderstorm WarningJANKemper43 min
Apr 8, 9:27 PM CDTSevere Thunderstorm WarningJANLauderdale48 min

Nearby

Tornado Warnings in Mississippi, 1998Every tornado warning in 1998Tornadoes in 1998

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.