Alert archive / Mississippi / Tornado Warnings in 1998

Tornado Warning 3, NWS New Orleans, LA

February 26, 1998Walthall County, Mississippi

NWS New Orleans, LA issued this tornado warning at Feb 26, 1998, 2:26 PM CST for Walthall County, Mississippi. It was in force for 34 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: Feb 26, 1998, 2:26 PM CST (20:26 UTC)
Expired: Feb 26, 1998, 3:00 PM CST
In force: 34 min
Issued by: NWS New Orleans, LA
Area: Whole counties

County Walthall County, MS

What was reported inside it

Time	Report	Where	Remark
Feb 26, 2:35 PM CST	Hail 0.75	Tylertown, 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
Feb 26, 9:30 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.4 hours before the alert went out and 107 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: 62 J/kg
Mixed-layer CIN: -285 J/kg
Mixed-layer LCL: 707 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 364 m²/s²
0-3 km storm-relative helicity: 422 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 262026 RRA
TORNEW
MSC147-262100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
226 PM CST THU FEB 26 1998

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS LA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 300 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHERN MISSISSIPPI

   ...WALTHALL COUNTY

AT 225 PM CST RADAR SHOWED A POSSIBLE TORNADO 10 MILES
SOUTHWEST OF TYLERTOWN MOVING NORTHEAST AT 45 TO 50 MILES AN HOUR.
TYLERTOWN AND KNOX ARE IN THE PATH OF THIS POSSIBLE TORNADO.

IF YOU ARE IN THE PATH OF A TORNADO...GET UNDER A WORKBENCH OR PIECE
OF STURDY FURNITURE. SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A
CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...OR CUSHIONS TO
COVER YOUR BODY.  AVOID WINDOWS.

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 26, 9:18 AM CST	Severe Thunderstorm Warning	LIX	Amite, Wilkinson	72 min
Feb 26, 10:24 AM CST	Severe Thunderstorm Warning	LIX	Amite	66 min
Feb 26, 10:24 AM CST	Severe Thunderstorm Warning	LIX	Pike	66 min
Feb 26, 2:16 PM CST	Severe Thunderstorm Warning	LIX	Walthall	49 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.