Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 142, NWS Jackson, MS

April 8, 1998Carroll County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 8, 1998, 5:59 PM CDT for Carroll County, Mississippi. It was in force for 46 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
Apr 8, 1998, 5:59 PM CDT (22:59 UTC)
Expired
Apr 8, 1998, 6:45 PM CDT
In force
46 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Carroll County, MS

What was reported inside it

TimeReportWhereRemark
Apr 8, 6:15 PM CDTHail 1Coila, 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.

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

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.0 hours before the alert went out and 126 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 12:00Z on 1998-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1038 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 12:00Z on 1998-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
1038 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
531 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.7
Supercell composite
3.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 082259 RRA
SVRJAN
MSC015-082345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
559 PM CDT WED APR 8 1998
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MISSISSIPPI
 
   ...CARROLL COUNTY
 
AT 557 PM DOPPLER RADAR INDICATED A SVERE THUNDERSTORM JUST SOUTH OF
CRUGER...ABOUT TO MOVE INTO SOUTHERN CARROLL COUNTY. THIS STORM WAS
NORTHEAST AT 45 MPH...AND IT WILL APPROACH COLIA BY 615 PM.
 
A TORNADO WATCH IS ALSO IN EFFECT.  REMEMBER SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.  REMAIN
CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
<
 
68

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 8:31 AM CDTSevere Thunderstorm WarningJANBolivar44 min
Apr 8, 5:33 PM CDTSevere Thunderstorm WarningJANNoxubee, Winston42 min
Apr 8, 5:43 PM CDTSevere Thunderstorm WarningJANHumphreys, Leflore47 min
Apr 8, 5:49 PM CDTSevere Thunderstorm WarningJANHolmes41 min
Apr 8, 5:54 PM CDTTornado WarningJANNoxubee51 min
Apr 8, 6:17 PM CDTTornado WarningJANNeshoba43 min
Apr 8, 6:25 PM CDTTornado WarningJANCarroll, Holmes50 min
Apr 8, 6:29 PM CDTSevere Thunderstorm WarningJANMontgomery31 min
Apr 8, 6:39 PM CDTTornado WarningJANAttala51 min
Apr 8, 6:44 PM CDTSevere Thunderstorm WarningJANNewton46 min
Apr 8, 6:54 PM CDTSevere Thunderstorm WarningJANHinds, Madison51 min
Apr 8, 6:58 PM CDTTornado WarningJANKemper, Neshoba47 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1998Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.