Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 102, NWS Jackson, MS

February 26, 1997Humphreys County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Feb 26, 1997, 9:34 PM CST for Humphreys County, Mississippi. It was in force for 26 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: Feb 26, 1997, 9:34 PM CST (03:34 UTC)
Expired: Feb 26, 1997, 10:00 PM CST
In force: 26 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Humphreys County, MS

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, 8:00 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 3.6 hours before the alert went out and 99 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: 67 J/kg
Mixed-layer CIN: -148 J/kg
Mixed-layer LCL: 1032 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 307 m²/s²
0-3 km storm-relative helicity: 482 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 270335 RRA
SVRJAN
MSC053-270400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
934 PM CST WED FEB 26 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL MISSISSIPPI
 
   ...HUMPHREYS COUNTY
 
AT 933 PM RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES EAST LOUISE
MOVING NORTHEAST AT 50 MPH. THIS MOTION WILL TAKE THE STORM NEAR SILVER
CITY BY 945.
 
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
Feb 26, 7:46 PM CST	Severe Thunderstorm Warning	JAN	Bolivar	44 min
Feb 26, 9:10 PM CST	Severe Thunderstorm Warning	JAN	Warren	50 min
Feb 26, 9:36 PM CST	Severe Thunderstorm Warning	JAN	Leflore	39 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.