Alert archive / Mississippi / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 621, NWS Jackson, MS

August 31, 2000Jefferson Davis County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Aug 31, 2000, 3:50 PM CDT for Jefferson Davis County, Mississippi. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Aug 31, 2000, 3:50 PM CDT (20:50 UTC)
Expired: Aug 31, 2000, 4:15 PM CDT
In force: 25 min
Issued by: NWS Jackson, MS
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Jefferson Davis 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
Aug 31, 2:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.8 hours before the alert went out and 76 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: 1399 J/kg
Mixed-layer CIN: -223 J/kg
Mixed-layer LCL: 1383 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 96 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.

000 
WUUS54 KJAN 312051
SVRJAN
MSC065-312115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
350 PM CDT THU AUG 31 2000

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI

* UNTIL 415 PM CDT

* AT 350 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER JEFFERSON DAVIS COUNTY...OR ABOUT 10 MILES
  NORTHEAST OF PRENTISS...MOVING SOUTHWEST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL...
  REMAIN OVER RURAL JEFFERSON DAVIS COUNTY 

DAMAGING WINDS...HEAVY RAIN AND HAIL ARE LIKELY. SEEK SHELTER IN A
STURDY BUILDING AND STAY AWAY FROM WINDOWS.

69

LAT...LON 3161 8976 3178 8976 3174 8989

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 30, 7:17 PM CDT	Severe Thunderstorm Warning	JAN	Lamar	28 min
Aug 31, 2:16 PM CDT	Severe Thunderstorm Warning	JAN	Franklin, Lincoln	29 min
Aug 31, 2:44 PM CDT	Severe Thunderstorm Warning	JAN	Franklin	31 min
Aug 31, 3:02 PM CDT	Severe Thunderstorm Warning	JAN	Marion	28 min
Aug 31, 3:05 PM CDT	Severe Thunderstorm Warning	JAN	Covington	25 min
Aug 31, 3:23 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	37 min
Aug 31, 3:31 PM CDT	Severe Thunderstorm Warning	JAN	Covington	44 min
Aug 31, 3:56 PM CDT	Severe Thunderstorm Warning	JAN	Jones	34 min
Aug 31, 4:02 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	28 min
Aug 31, 4:09 PM CDT	Severe Thunderstorm Warning	JAN	Lamar	41 min
Aug 31, 4:19 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison	41 min
Aug 31, 4:28 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Jones	47 min
Aug 31, 4:52 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Smith	38 min
Aug 31, 5:03 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Rankin	42 min
Aug 31, 5:18 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis	42 min
Aug 31, 5:25 PM CDT	Severe Thunderstorm Warning	JAN	Copiah, Simpson	35 min
Aug 31, 5:38 PM CDT	Severe Thunderstorm Warning	JAN	Rankin, Smith	37 min
Aug 31, 6:24 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis	36 min
Aug 31, 6:28 PM CDT	Severe Thunderstorm Warning	JAN	Lawrence, Lincoln	47 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2000 Every severe thunderstorm warning in 2000

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.