Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 421, NWS Jackson, MS

June 22, 1998Hinds County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 22, 1998, 7:27 PM CDT for Hinds County, Mississippi. It was in force for 48 min. 2 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
Jun 22, 1998, 7:27 PM CDT (00:27 UTC)
Expired
Jun 22, 1998, 8:15 PM CDT
In force
48 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Hinds County, MS

What was reported inside it

TimeReportWhereRemark
Jun 22, 7:30 PM CDTHail 0.75Utica, MS
Jun 22, 7:50 PM CDTHail 1.75Learned, 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, 0.5 hours before the alert went out and 35 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 1998-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3011 joules per kilogram.LCLEL10008507005003002001001 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 1998-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
3011 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1507 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
-9 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.

158 
WUUS1 KJAN 230026 RRA
SVRJAN
MSC049-230115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
727 PM CDT MON JUN 22 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN HINDS COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 815 PM CDT

* AT 725 PM CDT... RADAR INDICATED TWO RAPIDLY DEVELOPING SEVERE
  THUNDERSTORMS...ONE OVER UTICA AND THE OTHER BETWEEN UTICA AND
  TERRY. THE STORMS WAS MOVING NORTHWEST AT 10 MPH.

* THE SEVERE THUNDERSTORMS WILL AFFECT HIGHWAY 18 BETWEEN UTICA AND
  RAYMOND AND HIGHWAY 27 BETWEEN UTICA AND THE NATCHEZ TRACE
  PARKWAY THROUGH 745 PM.

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
Jun 22, 8:15 PM CDTSevere Thunderstorm WarningJANHinds, Warren35 min
Jun 23, 6:19 PM CDTSevere Thunderstorm WarningJANAdams36 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.