Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 21, NWS Jackson, MS

February 10, 1998Humphreys County, Sunflower County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Feb 10, 1998, 6:09 PM CST for Humphreys County, Sunflower County, Mississippi. It was in force for 66 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 10, 1998, 6:09 PM CST (00:09 UTC)
Expired
Feb 10, 1998, 7:15 PM CST
In force
66 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Humphreys County, MS, Sunflower County, MS

What was reported inside it

TimeReportWhereRemark
Feb 10, 6:30 PM CSTThunderstorm WindBelzoni, MSSeveral trees were blown down.

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
Feb 10, 5:00 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.2 hours before the alert went out and 125 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 1998-02-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 394 joules per kilogram.LCLEL10008507005003002001001 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 1998-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 369 square meters per square second.1939587897Sfc1 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
394 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
916 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
369 m²/s²
0-3 km storm-relative helicity
476 m²/s²
Significant tornado parameter
1.0
Supercell composite
3.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 110008 RRA
SVRJAN
MSC029-049-089-133-037-053-110115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
609 PM CST TUE FEB 10 1998
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSISSIPPI
 
   ...COPIAH COUNTY...HINDS COUNTY...MADISON COUNTY
 
IN NORTHWEST MISSISSIPPI
 
   ...SUNFLOWER COUNTY
 
IN SOUTHWEST MISSISSIPPI
 
   ...FRANKLIN COUNTY
 
IN WEST CENTRAL MISSISSIPPI
 
   ...HUMPHREYS COUNTY
 
AT 608 PM DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM
NEAR CLEVELAND THROUGH VICKSBURG TO NEAR NATCHEZ. THE LINE OF STORMS WAS
MOVING EAST AT 45 MPH. THE LINE OF STORMS SHOULD BE MOVING INTO THE
JACKSON METROPOLITAN AREA BY 645 PM.
 
THESE STORMS HAVE A HISTORY OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH.
 
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.
<
69

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 6:03 PM CSTTornado WarningJANSharkey, Yazoo42 min
Feb 10, 6:09 PM CSTSevere Thunderstorm WarningJANCopiah, Hinds66 min
Feb 10, 6:09 PM CSTSevere Thunderstorm WarningJANFranklin66 min
Feb 10, 6:09 PM CSTSevere Thunderstorm WarningJANMadison66 min
Feb 10, 6:28 PM CSTSevere Thunderstorm WarningJANHolmes, Leflore47 min
Feb 10, 6:37 PM CSTTornado WarningJANLeflore38 min
Feb 10, 6:45 PM CSTSevere Thunderstorm WarningJANYazoo45 min
Feb 10, 6:58 PM CSTTornado WarningJANCarroll, Grenada32 min
Feb 10, 7:09 PM CSTSevere Thunderstorm WarningJANHolmes66 min
Feb 10, 7:09 PM CSTSevere Thunderstorm WarningJANHinds, Madison, Rankin66 min
Feb 10, 7:09 PM CSTSevere Thunderstorm WarningJANCopiah66 min
Feb 10, 7:30 PM CSTSevere Thunderstorm WarningJANCarroll, Grenada, Montgomery45 min
Feb 10, 7:30 PM CSTSevere Thunderstorm WarningJANAttala45 min
Feb 10, 8:07 PM CSTSevere Thunderstorm WarningJANSimpson38 min
Feb 10, 8:15 PM CSTSevere Thunderstorm WarningJANChoctaw, Webster45 min
Feb 10, 8:15 PM CSTSevere Thunderstorm WarningJANAttala45 min
Feb 10, 8:25 PM CSTSevere Thunderstorm WarningJANLeake, Scott50 min
Feb 10, 8:25 PM CSTSevere Thunderstorm WarningJANRankin50 min
Feb 10, 8:39 PM CSTSevere Thunderstorm WarningJANLawrence, Lincoln36 min
Feb 10, 8:57 PM CSTSevere Thunderstorm WarningJANChoctaw, Neshoba, Oktibbeha, Winston63 min
Feb 10, 8:57 PM CSTSevere Thunderstorm WarningJANWebster63 min
Feb 10, 9:26 PM CSTSevere Thunderstorm WarningJANMarion34 min
Feb 10, 9:36 PM CSTSevere Thunderstorm WarningJANCovington, Jefferson Davis54 min
Feb 10, 9:45 PM CSTSevere Thunderstorm WarningJANForrest, Lamar45 min
Feb 10, 9:58 PM CSTSevere Thunderstorm WarningJANJasper, Newton47 min
Feb 10, 10:04 PM CSTSevere Thunderstorm WarningJANJones41 min
Feb 10, 10:22 PM CSTTornado WarningJANJasper, Jones38 min
Feb 10, 10:50 PM CSTSevere Thunderstorm WarningJANClarke, Lauderdale40 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.