Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 113, NWS Jackson, MS

March 2, 1997Carroll County, Montgomery County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 2, 1997, 4:28 PM CST for Carroll County, Montgomery 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: Mar 2, 1997, 4:28 PM CST (22:28 UTC)
Expired: Mar 2, 1997, 5:15 PM CST
In force: 47 min
Issued by: NWS Jackson, MS
Area: Whole counties

Counties Carroll County, MS, Montgomery County, MS

What was reported inside it

Time	Report	Where	Remark
Mar 2, 4:40 PM CST	Thunderstorm Wind	Vaiden, 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
Mar 2, 4:00 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.5 hours before the alert went out and 131 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: 667 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 599 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 174 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 3.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 022230 RRA
SVRJAN
MSC015-097-022315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
428 PM CST SUN MAR 2 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSISSIPPI
 
   ...EASTERN CARROLL COUNTY...MONTGOMERY COUNTY
 
AT 428 PM CST JACKSON DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR
WEST MOVING NORTHEAST AT 40 MPH. ON THIS COURSE THIS SEVERE THUNDERSTORM
WILL MOVE NEAR VAIDEN BY 435 PM CST AND NEAR WINONA BY 440 PM CST.
 
A TORNADO WATCH IS ALSO IN EFFECT.  REMEMBER SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.  REMAIN
CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
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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 2, 3:28 PM CST	Severe Thunderstorm Warning	JAN	Carroll, Montgomery	32 min
Mar 2, 3:31 PM CST	Tornado Warning	JAN	Montgomery	29 min
Mar 2, 3:47 PM CST	Tornado Warning	JAN	Webster	43 min
Mar 2, 3:55 PM CST	Severe Thunderstorm Warning	JAN	Grenada	35 min
Mar 2, 3:56 PM CST	Severe Thunderstorm Warning	JAN	Holmes	49 min
Mar 2, 4:16 PM CST	Severe Thunderstorm Warning	JAN	Attala	44 min
Mar 2, 4:57 PM CST	Severe Thunderstorm Warning	JAN	Choctaw	48 min
Mar 2, 5:14 PM CST	Severe Thunderstorm Warning	JAN	Carroll	31 min
Mar 2, 5:17 PM CST	Severe Thunderstorm Warning	JAN	Yazoo	43 min
Mar 2, 5:46 PM CST	Severe Thunderstorm Warning	JAN	Holmes	44 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.