Alert archive / Mississippi / Tornado Warnings in 2005

Tornado Warning 348, NWS Jackson, MS

January 7, 2005Jefferson Davis County, Lawrence County, Mississippi

NWS Jackson, MS issued this tornado warning at Jan 7, 2005, 7:30 PM CST for Jefferson Davis County, Lawrence 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 counties it named.

The facts

Issued: Jan 7, 2005, 7:30 PM CST (01:30 UTC)
Expired: Jan 7, 2005, 8:15 PM CST
In force: 45 min
Issued by: NWS Jackson, MS
Area: Whole counties

Counties Jefferson Davis County, MS, Lawrence County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 80 km from the middle of the area, began a volume at 01:32 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 1.5 hours before the alert went out and 148 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: 413 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 691 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 193 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KJAN 080130
TORJAN
MSC065-077-080215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
730 PM CST FRI JAN 7 2005

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI
  LAWRENCE COUNTY IN SOUTH CENTRAL MISSISSIPPI

* UNTIL 815 PM CST

* AT 730 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  MONTICELLO...OR ABOUT 22 MILES EAST OF BROOKHAVEN...MOVING
  NORTHEAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  PRENTISS BY 745 PM CST

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3157 9020 3140 9011 3156 8967 3160 8977
      3177 8977

$$

BYB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 7, 6:54 PM CST	Severe Thunderstorm Warning	JAN	Lawrence, Lincoln	36 min
Jan 7, 7:51 PM CST	Severe Thunderstorm Warning	JAN	Smith	24 min
Jan 7, 8:04 PM CST	Severe Thunderstorm Warning	JAN	Covington	26 min
Jan 7, 8:24 PM CST	Tornado Warning	JAN	Covington, Jones	51 min
Jan 7, 8:36 PM CST	Tornado Warning	JAN	Marion	39 min
Jan 7, 8:58 PM CST	Tornado Warning	JAN	Jasper	47 min
Jan 7, 9:08 PM CST	Tornado Warning	JAN	Lamar	52 min
Jan 7, 9:16 PM CST	Severe Thunderstorm Warning	JAN	Clarke	59 min
Jan 7, 9:20 PM CST	Severe Thunderstorm Warning	JAN	Lauderdale	40 min
Jan 7, 9:24 PM CST	Tornado Warning	JAN	Clarke, Jones	66 min
Jan 7, 9:26 PM CST	Tornado Warning	JAN	Forrest	64 min

Nearby

Tornado Warnings in Mississippi, 2005 Every tornado warning in 2005 Tornadoes in 2005

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; radar from the NEXRAD Level II archive.