Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 33, NWS New Orleans, LA

January 24, 1997Jackson County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Jan 24, 1997, 5:20 PM CST for Jackson County, Mississippi. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jan 24, 1997, 5:20 PM CST (23:20 UTC)
Expired: Jan 24, 1997, 6:00 PM CST
In force: 40 min
Issued by: NWS New Orleans, LA
Area: Whole counties

County Jackson County, MS

The radar

The Mobile radar (KMOB), 44 km from the middle of the area, began a volume at 23:20 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jan 24, 4:45 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.3 hours before the alert went out and 249 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: 543 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 578 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 330 m²/s²
0-3 km storm-relative helicity: 342 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 4.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 242321 RRA
SVRNEW
MSC059-250000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
520 PM CST FRI JAN 24 1997
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CST
FOR RESIDENTS IN THE FOLLOWING LOCATION...
 
IN SOUTH MISSISSIPPI
 
   ...NORTHWESTERN JACKSON COUNTY
 
 
AT 520 PM CST RADAR SHOWED A SEVERE THUNDERSTORM WITH LARGE HAIL JUST
NORTHEAST OF LYMAN IN HARRISON COUNTY MOVING NORTHEAST AT 25 MILES AN
HOUR. THIS THUNDERSTORM HAS PRODUCED GOLFBALL SIZE HAIL IN THE LYMAN
AREA. COMMUNITIES IN THE PATH OF THIS STORM IN JACKSON COUNTY INCLUDE
DANTZLER AND LARUE.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
 
 
&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 24, 4:22 AM CST	Severe Thunderstorm Warning	LIX	Pearl River	68 min
Jan 24, 4:35 AM CST	Severe Thunderstorm Warning	LIX	Pearl River	55 min
Jan 24, 6:08 AM CST	Severe Thunderstorm Warning	LIX	Harrison	67 min
Jan 24, 6:49 AM CST	Severe Thunderstorm Warning	LIX	Jackson	56 min
Jan 24, 1:15 PM CST	Severe Thunderstorm Warning	LIX	Hancock	45 min
Jan 24, 4:24 PM CST	Severe Thunderstorm Warning	LIX	Jackson	51 min
Jan 24, 4:52 PM CST	Severe Thunderstorm Warning	LIX	Harrison	53 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.