Alert archive / Mississippi / Tornado Warnings in 1998

Tornado Warning 41, NWS Jackson, MS

May 9, 1998Attala County, Choctaw County, Mississippi

NWS Jackson, MS issued this tornado warning at May 9, 1998, 5:31 PM CDT for Attala County, Choctaw County, Mississippi. It was in force for 34 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: May 9, 1998, 5:31 PM CDT (22:31 UTC)
Expired: May 9, 1998, 6:05 PM CDT
In force: 34 min
Issued by: NWS Jackson, MS
Area: Whole counties

Counties Attala County, MS, Choctaw County, MS

What was reported inside it

Time	Report	Where
May 9, 5:40 PM CDT	Hail 0.88	Kosciusko, MS
May 9, 5:45 PM CDT	Thunderstorm Wind 52	Ackerman, MS
May 9, 5:45 PM CDT	Hail 0.75	Ackerman, 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 watch it was issued in

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

Issued	Product	Office	Lasted
May 9, 2:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.5 hours before the alert went out and 118 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.

084 
WFUS1 KJAN 092229 RRA
TORJAN
MSC007-019-092305-

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN ATTALA COUNTY IN CENTRAL MISSISSIPPI
  CHOCTAW COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 605 PM CDT

* AT 528 PM CDT... RADAR INDICATED A POSSIBLE TORNADO 18 MILES
  SOUTHWEST OF ACKERMAN OR 7 MILES SOUTHWEST OF FRENCH CAMP MOVING
  NORTHEAST AT 45 MPH.

* SOME LOCATIONS IN THE PATH OF THIS DANGEROUS STORM INCLUDE...
  FRENCH CAMP                 BY 535 PM CDT
  WEIR                        BY 540 PM CDT
  ACKERMAN                    BY 550 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.

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, 5:56 PM CDT	Tornado Warning	JAN	Oktibbeha	34 min
May 9, 6:10 PM CDT	Tornado Warning	JAN	Winston	20 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.