Alert archive / Louisiana / Tornado Warnings in 2007

Tornado Warning 25, NWS Jackson, MS

February 24, 2007East Carroll Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Feb 24, 2007, 6:31 PM CST for East Carroll Parish, Louisiana. It was in force for 14 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: Feb 24, 2007, 6:31 PM CST (00:31 UTC)
Expired: Feb 24, 2007, 6:45 PM CST
In force: 14 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County East Carroll Parish, LA

The radar

The Jackson/Brandon,MS radar (KDGX), 121 km from the middle of the area, began a volume at 00:30 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Feb 24, 1:10 PM CST	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.5 hours before the alert went out and 111 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: 311 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 817 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 409 m²/s²
0-3 km storm-relative helicity: 662 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 5.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KJAN 250031
TORJAN
LAC035-250045-
/O.NEW.KJAN.TO.W.0025.070225T0031Z-070225T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
631 PM CST SAT FEB 24 2007

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CARROLL PARISH IN NORTHEAST LOUISIANA

* UNTIL 645 PM CST

* AT 631 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER EAST
  CARROLL PARISH...MOVING NORTHEAST AT 60 MPH.

* THE TORNADO WILL REMAIN OVER RURAL AREAS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...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 3255 9144 3279 9132 3280 9117 3276 9117
      3273 9106 3265 9115 3258 9111 3258 9110
      3264 9101 3261 9101 3255 9113 3255 9144

$$

DHB

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 24, 7:00 PM CST	Tornado Warning	JAN	Catahoula, Concordia	45 min
Feb 24, 7:25 PM CST	Severe Thunderstorm Warning	JAN	Madison	65 min
Feb 24, 7:35 PM CST	Tornado Warning	JAN	Concordia, Tensas	25 min
Feb 24, 8:04 PM CST	Tornado Warning	JAN	Tensas	26 min

Nearby

Tornado Warnings in Louisiana, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.