Alert archive / Mississippi / Tornado Warnings in 1998

Tornado Warning 43, NWS Jackson, MS

May 9, 1998Winston County, Mississippi

NWS Jackson, MS issued this tornado warning at May 9, 1998, 6:10 PM CDT for Winston County, Mississippi. It was in force for 20 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, 6:10 PM CDT (23:10 UTC)
Expired: May 9, 1998, 6:30 PM CDT
In force: 20 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Winston County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.2 hours before the alert went out and 130 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2055 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: 303 m²/s²
0-3 km storm-relative helicity: 533 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 092309 RRA
TORJAN
MSC159-092330-

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN WINSTON COUNTY IN EAST CENTRAL MISSISSIPPI

* UNTIL 630 PM CDT

* AT 608 PM CDT... RADAR INDICATED A POSSIBLE TORNADO 12 MILES
  NORTHEAST OF LOUISVILLE MOVING EAST AT 40 MPH.

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

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.

Issued	Product	Office	Counties	Lasted
May 9, 2:04 PM CDT	Severe Thunderstorm Warning	JAN	Washington	31 min
May 9, 2:35 PM CDT	Severe Thunderstorm Warning	JAN	Washington	35 min
May 9, 3:58 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Holmes	32 min
May 9, 5:11 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Choctaw, Montgomery	49 min
May 9, 5:31 PM CDT	Tornado Warning	JAN	Attala, Choctaw	34 min
May 9, 5:56 PM CDT	Tornado Warning	JAN	Oktibbeha	34 min
May 9, 6:17 PM CDT	Tornado Warning	JAN	Noxubee	33 min
May 9, 6:32 PM CDT	Severe Thunderstorm Warning	JAN	Winston	33 min

Nearby

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