Alert archive / Louisiana / Tornado Warnings in 2004

Tornado Warning 61, NWS Jackson, MS

November 23, 2004Catahoula Parish, Tensas Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Nov 23, 2004, 9:46 PM CST for Catahoula Parish, Tensas Parish, Louisiana. It was in force for 59 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: Nov 23, 2004, 9:46 PM CST (03:46 UTC)
Expired: Nov 23, 2004, 10:45 PM CST
In force: 59 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

Counties Catahoula Parish, LA, Tensas Parish, LA

The radar

The Jackson/Brandon,MS radar (KDGX), 147 km from the middle of the area, began a volume at 03:50 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
Nov 23, 8:15 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 3.8 hours before the alert went out and 139 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: 1370 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 857 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 6.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KJAN 240346
TORJAN
LAC025-107-240445-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
944 PM CST TUE NOV 23 2004

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  CATAHOULA PARISH IN NORTHEAST LOUISIANA
  TENSAS PARISH IN NORTHEAST LOUISIANA

* UNTIL 1045 PM CST

* AT 944 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM      
  CAPABLE OF PRODUCING A TORNADO 11 MILES NORTHWEST OF FERRIDAY...   
  MOVING NORTHEAST AT 50 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  NEWELLTON BY 1015 PM CST

THIS STORM HAS A HISTORY OF PRODUCING A TORNADO 5 MILES NORTH OF 
JONESVILLE AT 925 PM

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST WEDNESDAY MORNING
FOR NORTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI. A TORNADO WATCH
ALSO REMAINS IN EFFECT UNTIL 400 AM CST WEDNESDAY MORNING FOR
NORTHEAST MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
200 AM CST WEDNESDAY MORNING FOR NORTHERN MISSISSIPPI.

LAT...LON 3183 9169 3175 9161 3201 9109 3218 9126
      3191 9155

$$

CME

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 23, 7:36 PM CST	Severe Thunderstorm Warning	JAN	Morehouse	54 min
Nov 23, 7:48 PM CST	Flash Flood Warning	JAN	West Carroll	2 hr
Nov 23, 8:32 PM CST	Tornado Warning	JAN	Franklin, Richland	58 min
Nov 23, 8:33 PM CST	Tornado Warning	JAN	Franklin, Richland	57 min
Nov 23, 8:54 PM CST	Tornado Warning	JAN	Catahoula	51 min
Nov 23, 9:05 PM CST	Severe Thunderstorm Warning	JAN	Madison	35 min
Nov 23, 9:35 PM CST	Severe Thunderstorm Warning	JAN	East Carroll	25 min
Nov 23, 9:55 PM CST	Severe Thunderstorm Warning	JAN	Madison	35 min
Nov 23, 10:41 PM CST	Severe Thunderstorm Warning	JAN	Concordia	34 min
Nov 23, 11:01 PM CST	Tornado Warning	JAN	Concordia	39 min
Nov 23, 11:35 PM CST	Tornado Warning	JAN	Concordia	55 min
Nov 24, 12:49 AM CST	Severe Thunderstorm Warning	JAN	Catahoula	46 min
Nov 24, 12:58 AM CST	Severe Thunderstorm Warning	JAN	Franklin, Richland	42 min
Nov 24, 1:25 AM CST	Severe Thunderstorm Warning	JAN	Catahoula, Concordia, Tensas	50 min

Nearby

Tornado Warnings in Louisiana, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.