Alert archive / Mississippi / Tornado Warnings in 1998

Tornado Warning 32, NWS Jackson, MS

April 17, 1998Forrest County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 17, 1998, 5:21 PM CDT for Forrest County, Mississippi. It was in force for 49 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
Apr 17, 1998, 5:21 PM CDT (22:21 UTC)
Expired
Apr 17, 1998, 6:10 PM CDT
In force
49 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Forrest County, MS

What was reported inside it

TimeReportWhereRemark
Apr 17, 5:25 PM CDTHail 1.75Hattiesburg, MS
Apr 17, 5:32 PM CDTTornado F0Carnes, MSA few trees were blown down and minor damage was done to some property.
Apr 17, 5:32 PM CDTHail 4.5Carnes, MSMany cars and roofs were damaged.

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

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.4 hours before the alert went out and 113 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, Slidell Radar S, LA at 12:00Z on 1998-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1365 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, Slidell Radar S, LA at 12:00Z on 1998-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
1365 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

454 
WFUS1 KJAN 172223 RRA
TORJAN
MSC035-172310-

BULLETIN- EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
521 PM CDT FRI APR 17 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  FORREST COUNTY IN SOUTHEASTERN MISSISSIPPI

* UNTIL 610 PM CDT

* AT 520 PM CDT... A TORNADO 13 MILES SOUTH OF HATTIESBURG...
  INDICATED BY JACKSON WEATHER SERVICE DOPPLER RADAR... MOVING
  NORTHEAST 35 MPH.

* SOME LOCATIONS IN THE PATH OF THIS DANGEROUS STORM INCLUDE...
  HATTIESBURG                 BY 540 PM CDT
  PETAL                       BY 540 PM CDT

IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR
ROOM AWAY FROM WINDOWS.

75

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 17, 4:38 PM CDTSevere Thunderstorm WarningJANForrest32 min
Apr 17, 4:51 PM CDTSevere Thunderstorm WarningJANLamar34 min
Apr 17, 5:08 PM CDTSevere Thunderstorm WarningJANForrest32 min
Apr 17, 5:29 PM CDTSevere Thunderstorm WarningJANLamar46 min
Apr 17, 5:53 PM CDTTornado WarningJANMarion47 min
Apr 17, 6:13 PM CDTTornado WarningJANLamar47 min
Apr 17, 6:30 PM CDTTornado WarningJANForrest45 min
Apr 17, 6:59 PM CDTSevere Thunderstorm WarningJANJones51 min

Nearby

Tornado Warnings in Mississippi, 1998Every tornado warning in 1998Tornadoes 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.