Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 262, NWS Jackson, MS

May 28, 1998Leflore County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 28, 1998, 6:24 PM CDT for Leflore County, Mississippi. It was in force for 51 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
May 28, 1998, 6:24 PM CDT (23:24 UTC)
Expired
May 28, 1998, 7:15 PM CDT
In force
51 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Leflore County, MS

What was reported inside it

TimeReportWhereRemark
May 28, 6:30 PM CDTHail 1.75Swiftown, 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 12:00Z, 11.4 hours before the alert went out and 138 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 1998-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1888 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 1998-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.1939Sfc1 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
1888 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
781 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
14 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 282324 RRA
SVRJAN
MSC083-290015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
624 PM CDT THU MAY 28 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LEFLORE COUNTY IN NORTH CENTRAL MISSISSIPPI

* UNTIL 715 PM CDT

* AT 624 PM CDT... RADAR INDICATED A DEVELOPING SEVERE THUNDERSTORM
  20 MILES SOUTHWEST OF GREENWOOD OR 14 MILES SOUTHWEST OF SIDON
  MOVING NORTH AT 10 MPH.

* THIS STORM WILL MAINLY AFFECT SMALLER COMMUNITIES AND RURAL AREAS.

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

75

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 6:15 PM CDTSevere Thunderstorm WarningJANYazoo50 min
May 28, 6:21 PM CDTSevere Thunderstorm WarningJANMontgomery49 min
May 28, 6:23 PM CDTSevere Thunderstorm WarningJANLawrence47 min
May 28, 6:27 PM CDTSevere Thunderstorm WarningJANHinds, Madison48 min
May 28, 6:41 PM CDTSevere Thunderstorm WarningJANChoctaw49 min
May 28, 6:43 PM CDTSevere Thunderstorm WarningJANWebster47 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.