Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 15, NWS Jackson, MS

January 15, 1997Marion County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jan 15, 1997, 4:35 PM CST for Marion County, Mississippi. It was in force for 25 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: Jan 15, 1997, 4:35 PM CST (22:35 UTC)
Expired: Jan 15, 1997, 5:00 PM CST
In force: 25 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Marion County, MS

What was reported inside it

Time	Report	Where	Remark
Jan 15, 4:45 PM CST	Thunderstorm Wind	Columbia, 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 nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.6 hours before the alert went out and 110 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: 518 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 325 m²/s²
0-3 km storm-relative helicity: 288 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 KJAN 152237 RRA
SVRJAN
MSC091-152300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
435 PM CST WED JAN 15 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL MISSISSIPPI
 
   ...SOUTHERN MARION COUNTY
 
AT 435 PM RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES WEST OF SANDY
HOOK MOVING NORTHEAST AT 30 MILES AN HOUR. THE STORM WILL MOVE ACROSS
ROUTE 35 AND ROUTE 13 BY 450 PM.
 
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE
HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR ^OF YOUR HOME OR BUSINESS.
<

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 15, 2:02 PM CST	Severe Thunderstorm Warning	JAN	Rankin	28 min
Jan 15, 4:49 PM CST	Tornado Warning	JAN	Forrest, Lamar	41 min
Jan 15, 4:59 PM CST	Severe Thunderstorm Warning	JAN	Jones	46 min
Jan 15, 5:07 PM CST	Tornado Warning	JAN	Jones	53 min
Jan 15, 5:25 PM CST	Tornado Warning	JAN	Forrest	50 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1997 Every severe thunderstorm warning in 1997

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.