Alert archive / Mississippi / Tornado Warnings in 1998

Tornado Warning 46, NWS Jackson, MS

May 9, 1998Newton County, Mississippi

NWS Jackson, MS issued this tornado warning at May 9, 1998, 7:17 PM CDT for Newton County, Mississippi. It was in force for 33 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 9, 1998, 7:17 PM CDT (00:17 UTC)
Expired
May 9, 1998, 7:50 PM CDT
In force
33 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Newton County, MS

What was reported inside it

TimeReportWhereRemark
May 9, 7:35 PM CDTThunderstorm Wind 52Little Rock, 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, 0.3 hours before the alert went out and 91 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.

632 
WFUS1 KJAN 100016 RRA
TORJAN
MSC101-100050-

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NEWTON COUNTY IN EAST CENTRAL MISSISSIPPI

* UNTIL 750 PM CDT

* AT 715 PM CDT... RADAR INDICATED A DEVELOPING TORNADO 12 MILES
  WEST OF DECATUR OR 3 MILES SOUTHWEST OF CONEHATTA MOVING
  NORTHEAST AT 45 MPH.

* SOME LOCATIONS IN THE PATH OF THIS DANGEROUS STORM INCLUDE...
  CONEHATTA                   BY 718 PM CDT
  DECATUR                     BY 725 PM CDT
  UNION                       BY 730 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, 7:36 PM CDTTornado WarningJANKemper, Lauderdale44 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.