Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 265, NWS Jackson, MS

May 9, 1997Oktibbeha County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 9, 1997, 7:26 AM CDT for Oktibbeha County, Mississippi. It was in force for 49 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: May 9, 1997, 7:26 AM CDT (12:26 UTC)
Expired: May 9, 1997, 8:15 AM CDT
In force: 49 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Oktibbeha County, MS

What was reported inside it

Time	Report	Where	Remark
May 9, 7:45 AM CDT	Thunderstorm Wind	Starkville, MS	Several trees were 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 nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 0.4 hours before the alert went out and 166 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: 585 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 630 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 78 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

053 
WUUS1 KJAN 091229 RRA
SVRJAN
MSC105-091315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
726 AM CDT FRI MAY 9 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL MISSISSIPPI
 
   ...OKTIBBEHA COUNTY
 
AT 725 AM CDT DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 4
MILES NORTHWEST OF STURGIS MOVING EAST AT 40 MILES AN HOUR. THIS STORM
SHOULD MOVE TO NEAR STARKVILLE BY 750 AM.
 
THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS.
 
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.
<
65

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 4:18 AM CDT	Severe Thunderstorm Warning	JAN	Bolivar	57 min
May 9, 5:09 AM CDT	Severe Thunderstorm Warning	JAN	Sunflower	51 min
May 9, 5:43 AM CDT	Severe Thunderstorm Warning	JAN	Leflore	47 min
May 9, 5:59 AM CDT	Severe Thunderstorm Warning	JAN	Carroll	46 min
May 9, 6:26 AM CDT	Severe Thunderstorm Warning	JAN	Montgomery	49 min
May 9, 6:55 AM CDT	Severe Thunderstorm Warning	JAN	Choctaw, Webster	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.