Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 71, NWS Jackson, MS

March 5, 1998Clarke County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 5, 1998, 7:02 PM CST for Clarke County, Mississippi. It was in force for 58 min. 3 reports 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
Mar 5, 1998, 7:02 PM CST (01:02 UTC)
Expired
Mar 5, 1998, 8:00 PM CST
In force
58 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Clarke County, MS

What was reported inside it

TimeReportWhereRemark
Mar 5, 7:35 PM CSTHail 1Elwood, MS
Mar 5, 7:41 PM CSTHail 1.75Quitman, MSHail damaged roofs of houses and automobiles.
Mar 5, 7:59 PM CSTHail 1.75Quitman, 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 nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.0 hours before the alert went out and 135 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 1998-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 776 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 1998-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.1939587897117Sfc1 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
776 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
661 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

895 
WUUS1 KJAN 060103 RRA
SVRJAN
MSC023-060200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
702 PM CST THU MAR 5 1998
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSISSIPPI
 
   ...CLARKE COUNTY
 
AT 702 PM...RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES SOUTHWEST OF
QUITMAN MOVING NORTHEAST AT 30 MPH. THE STORM PASS NEAR QUITMAN BY 730
PM.
 
IF YOU ARE OUTSIDE...SEEK SHELTER IN A STRONG BUILDING AWAY FROM
WINDOWS.  DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND
DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
<
 
74

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 5, 6:43 PM CSTSevere Thunderstorm WarningJANJasper47 min
Mar 5, 10:04 PM CSTSevere Thunderstorm WarningJANGrenada56 min
Mar 5, 10:07 PM CSTSevere Thunderstorm WarningJANClaiborne, Jefferson68 min
Mar 5, 11:13 PM CSTSevere Thunderstorm WarningJANJefferson47 min
Mar 6, 12:44 PM CSTFlash Flood WarningJANCarroll2 hr
Mar 6, 1:08 PM CSTSevere Thunderstorm WarningJANGrenada37 min
Mar 6, 5:49 PM CSTSevere Thunderstorm WarningJANClarke26 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.