Alert archive / Mississippi / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 366, NWS Jackson, MS

July 22, 2002Copiah County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 22, 2002, 3:10 PM CDT for Copiah County, Mississippi. It was in force for 45 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 22, 2002, 3:10 PM CDT (20:10 UTC)
Expired: Jul 22, 2002, 3:55 PM CDT
In force: 45 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Copiah County, MS

What was reported inside it

Time	Report	Where	Remark
Jul 22, 3:15 PM CDT	Thunderstorm Wind	Hazlehurst, MS	Thunderstorm winds blew trees down on 2 houses. Several powerlines were also blown down in the storm.

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, 8.2 hours before the alert went out and 201 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: 807 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 1057 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -35 m²/s²
0-3 km storm-relative helicity: 8 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.

757 
WUUS54 KJAN 222010
SVRJAN
MSC029-222055-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
308 PM CDT MON JUL 22 2002

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COPIAH COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 355 PM CDT

* AT 308 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 4 MILES NORTH OF CRYSTAL 
SPRINGS   TO 11 MILES SOUTH OF HAZLEHURST...MOVING EAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL...
  BE NEAR GEORGETOWN...PEARL...HOPEWELL AT 340 PM CDT...

HAIL TO THE SIZE OF DIMES...WIND GUSTS UP TO 60 MPH AND TORRENTIAL 
RAIN ARE LIKELY. STAY AWAY FROM WINDOWS AND TAKE COVER IN A 
SUBSTANTIAL SHELTER UNTIL THE STORM PASSES.

LAT...LON 3204 9068 3174 9070 3177 9013 3205 9025

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 1:30 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Holmes, Madison, Yazoo	45 min
Jul 22, 1:47 PM CDT	Severe Thunderstorm Warning	JAN	Lincoln	43 min
Jul 22, 2:14 PM CDT	Severe Thunderstorm Warning	JAN	Neshoba	41 min
Jul 22, 2:29 PM CDT	Severe Thunderstorm Warning	JAN	Rankin	46 min
Jul 22, 2:41 PM CDT	Severe Thunderstorm Warning	JAN	Hinds	44 min
Jul 22, 3:00 PM CDT	Severe Thunderstorm Warning	JAN	Leake	40 min
Jul 22, 3:00 PM CDT	Severe Thunderstorm Warning	JAN	Leake	45 min
Jul 22, 3:32 PM CDT	Severe Thunderstorm Warning	JAN	Simpson, Smith	43 min
Jul 22, 3:33 PM CDT	Severe Thunderstorm Warning	JAN	Scott	42 min
Jul 22, 3:50 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Choctaw, Montgomery	50 min
Jul 22, 4:09 PM CDT	Severe Thunderstorm Warning	JAN	Holmes	46 min
Jul 22, 4:17 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Smith	43 min
Jul 22, 4:18 PM CDT	Severe Thunderstorm Warning	JAN	Yazoo	47 min
Jul 22, 4:41 PM CDT	Severe Thunderstorm Warning	JAN	Oktibbeha	44 min
Jul 22, 5:23 PM CDT	Severe Thunderstorm Warning	JAN	Hinds	42 min
Jul 22, 5:24 PM CDT	Severe Thunderstorm Warning	JAN	Clarke	46 min
Jul 22, 5:46 PM CDT	Severe Thunderstorm Warning	JAN	Marion	44 min
Jul 22, 6:18 PM CDT	Severe Thunderstorm Warning	JAN	Copiah, Hinds	47 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2002 Every severe thunderstorm warning in 2002

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.