Alert archive / Mississippi / Tornado Warnings in 1998

Tornado Warning 30, NWS Jackson, MS

April 16, 1998Sunflower County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 16, 1998, 4:53 PM CDT for Sunflower County, Mississippi. It was in force for 47 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: Apr 16, 1998, 4:53 PM CDT (21:53 UTC)
Expired: Apr 16, 1998, 5:40 PM CDT
In force: 47 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Sunflower County, MS

What was reported inside it

Time	Report	Where	Remark
Apr 16, 5:12 PM CDT	Hail 1.75	Ruleville, 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
Apr 16, 4:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.9 hours before the alert went out and 149 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: 708 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 497 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 223 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

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

570 
WFUS1 KJAN 162154 RRA
TORJAN
MSC133-162240-

BULLETIN- EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
453 PM CDT THU APR 16 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SUNFLOWER COUNTY IN NORTHWESTERN MISSISSIPPI

* UNTIL 540 PM CDT

* AT 450 PM CDT... A TORNADO NEAR SHAW OR 10 MILES WEST OF
  SUNFLOWER...   REPORTED BY STORM SPOTTERS... MOVING EAST 35 MPH.

* SOME LOCATIONS IN THE PATH OF THIS DANGEROUS STORM INCLUDE...
  SUNFLOWER                   BY 510 PM CDT
  RULEVILLE                   BY 515 PM CDT

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

76


&

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 16, 4:07 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar	33 min
Apr 16, 4:27 PM CDT	Severe Thunderstorm Warning	JAN	Sunflower	33 min
Apr 16, 4:39 PM CDT	Tornado Warning	JAN	Bolivar	46 min
Apr 16, 5:02 PM CDT	Severe Thunderstorm Warning	JAN	Oktibbeha	48 min
Apr 16, 5:17 PM CDT	Tornado Warning	JAN	Leflore	43 min
Apr 16, 5:45 PM CDT	Severe Thunderstorm Warning	JAN	Grenada	45 min
Apr 16, 5:54 PM CDT	Severe Thunderstorm Warning	JAN	Simpson	46 min
Apr 16, 6:28 PM CDT	Severe Thunderstorm Warning	JAN	Carroll	47 min
Apr 16, 6:38 PM CDT	Severe Thunderstorm Warning	JAN	Grenada	32 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.