Alert archive / Mississippi / Tornado Warnings in 1998

Tornado Warning 47, NWS Jackson, MS

May 9, 1998Kemper County, Lauderdale County, Mississippi

NWS Jackson, MS issued this tornado warning at May 9, 1998, 7:36 PM CDT for Kemper County, Lauderdale County, Mississippi. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 9, 1998, 7:36 PM CDT (00:36 UTC)
Expired
May 9, 1998, 8:20 PM CDT
In force
44 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Kemper County, MS, Lauderdale County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 9, 7:30 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.6 hours before the alert went out and 137 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 1998-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3361 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 1998-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 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
3361 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
956 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
2.7
Supercell composite
8.4

Open this sounding in Storm Lab

The text

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

734 
WFUS1 KJAN 100035 RRA
TORJAN
MSC069-075-100120-

BULLETIN- EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
736 PM CDT SAT MAY 9 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN KEMPER COUNTY IN EAST CENTRAL MISSISSIPPI
  LAUDERDALE COUNTY IN EAST CENTRAL MISSISSIPPI

* UNTIL 820 PM CDT

* AT 734 PM CDT... RADAR INDICATED A POSSIBLE TORNADO 19 MILES WEST
  OF MERIDIAN OR 12 MILES SOUTHWEST OF COLLINSVILLE MOVING EAST AT
  50 MPH.

* SOME LOCATIONS IN THE PATH OF THIS DANGEROUS STORM INCLUDE...
  COLLINSVILLE                BY 745 PM CDT
  NELLIEBURG                  BY 750 PM CDT
  MERIDIAN                    BY 755 PM CDT
  MARION                      BY 800 PM CDT

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR

75

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 7:05 PM CDTSevere Thunderstorm WarningJANNoxubee30 min
May 9, 7:09 PM CDTSevere Thunderstorm WarningJANNewton36 min
May 9, 7:15 PM CDTTornado WarningJANNoxubee35 min
May 9, 7:17 PM CDTTornado WarningJANNewton33 min
May 9, 9:12 PM CDTTornado WarningJANWashington48 min
May 9, 9:41 PM CDTSevere Thunderstorm WarningJANHumphreys, Sharkey49 min
May 9, 10:00 PM CDTSevere Thunderstorm WarningJANNeshoba50 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; the sounding from the Mesonet's radiosonde archive.