Alert archive / Mississippi / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 397, NWS Jackson, MS

July 29, 2002Jasper County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 29, 2002, 5:10 PM CDT for Jasper County, Mississippi. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 29, 2002, 5:10 PM CDT (22:10 UTC)
Expired: Jul 29, 2002, 5:55 PM CDT
In force: 45 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Jasper County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.2 hours before the alert went out and 92 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: 2381 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 572 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -41 m²/s²
0-3 km storm-relative helicity: -37 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.

822 
WUUS54 KJAN 292210
SVRJAN
MSC061-292255-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
509 PM CDT MON JUL 29 2002

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JASPER COUNTY IN EAST CENTRAL MISSISSIPPI

* UNTIL 555 PM CDT

* AT 509 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM 5 MILES EAST OF BAYSPRINGS...MOVING NORTHEAST AT 
15 MPH.

* THE SEVERE THUNDERSTORM WILL...
  BE NEAR BAYSPRINGS AT 520 PM CDT
  BE NEAR MONTROSE AT 535 PM CDT
  BE NEAR HEIDELBERG AT 550 PM CDT

HAIL...DAMAGING WINDS AND TORRENTIAL RAIN ARE EXPECTED WITH THIS
STORM. TAKE COVER IN A SUBSTANTIAL SHELTER WHILE THE STORM PASSES.

WINDS UP TO 60 MPH ARE LIKELY WITH THIS STORM.

LAT...LON 3220 8931 3182 8925 3184 8892 3223 8895

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 2:50 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis	45 min
Jul 29, 4:00 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	60 min
Jul 29, 4:11 PM CDT	Severe Thunderstorm Warning	JAN	Jones	59 min
Jul 29, 5:03 PM CDT	Severe Thunderstorm Warning	JAN	Rankin	42 min
Jul 29, 5:24 PM CDT	Severe Thunderstorm Warning	JAN	Simpson	46 min
Jul 29, 6:05 PM CDT	Severe Thunderstorm Warning	JAN	Rankin	45 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; the sounding from the Mesonet's radiosonde archive.