Alert archive / Louisiana / Tornado Warnings in 1998

Tornado Warning 16, NWS Jackson, MS

March 5, 1998Richland Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Mar 5, 1998, 8:12 PM CST for Richland Parish, Louisiana. It was in force for 63 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: Mar 5, 1998, 8:12 PM CST (02:12 UTC)
Expired: Mar 5, 1998, 9:15 PM CST
In force: 63 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Richland Parish, LA

What was reported inside it

Time	Report	Where	Remark
Mar 5, 8:42 PM CST	Hail 2.75	Mangham, LA	Baseball size hail damaged many houses and automobiles.
Mar 5, 8:45 PM CST	Hail 2.75	Alto, LA	Baseball size hail damaged houses and automobiles.
Mar 5, 8:54 PM CST	Thunderstorm Wind	Mangham, LA	Strong wind damaged the roofs of several houses. One out building was destroyed and an antenna was blown down.

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
Mar 5, 6:45 PM CST	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 2.2 hours before the alert went out and 158 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: 776 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 661 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 134 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 060212 RRA
TORJAN
LAC083-060315-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
812 PM CST THU MAR 5 1998
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  915 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST LOUISIANA
 
   ...RICHLAND PARISH
 
AT 812 PM...JACKSON DOPPLER RADAR INDICATED A DEVELOPING TORNADO 11
MILES NORTHWEST OF ARCHIBALD. THIS STORM WAS MOVING SOUTHEAST AT 35 MPH
AND WILL PASS NEAR ALTO AND ARCHIBALD BY 845 PM.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS IN AN
INTERIOR ROOM ON THE LOWEST FLOOR.  GET UNDER STURDY FURNITURE.
USE PILLOWS OR CUSHIONS TO COVER YOUR HEAD.
<
 
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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 5, 8:42 PM CST	Tornado Warning	JAN	Franklin	63 min
Mar 5, 9:27 PM CST	Tornado Warning	JAN	Tensas	63 min
Mar 5, 9:52 PM CST	Severe Thunderstorm Warning	JAN	Franklin	53 min

Nearby

Tornado Warnings in Louisiana, 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.