Alert archive / Louisiana / Tornado Warnings in 2005

Tornado Warning 34, NWS Jackson, MS

April 6, 2005Catahoula Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Apr 6, 2005, 4:46 AM CDT for Catahoula 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: Apr 6, 2005, 4:46 AM CDT (09:46 UTC)
Expired: Apr 6, 2005, 5:45 AM CDT
In force: 59 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Catahoula Parish, LA

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 6, 2:55 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 9.8 hours before the alert went out and 173 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1739 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 82 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.

000 
WFUS54 KJAN 060946
TORJAN
LAC025-061045-
/O.NEW.KJAN.TO.W.0034.050406T0946Z-050406T1045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
446 AM CDT WED APR 6 2005

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

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

* UNTIL 545 AM CDT

* AT 446 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 16 MILES WEST OF
  JONESVILLE...OR ABOUT 25 MILES NORTHEAST OF PINEVILLE...MOVING
  NORTHEAST AT 45 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  JONESVILLE BY 500 AM CDT

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 3182 9201 3149 9201 3166 9172 3176 9168
      3177 9155 3196 9159 3188 9178

$$

CME

2 follow-up statements

000 
WWUS54 KJAN 061013
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
511 AM CDT WED APR 6 2005

LAC025-061045-
/O.CON.KJAN.TO.W.0034.000000T0000Z-050406T1045Z/
CATAHOULA LA-
511 AM CDT WED APR 6 2005

...A TORNADO WARNING CONTINUES UNTIL 545 AM CDT FOR NORTHERN
CATAHOULA PARISH...

AT 509 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO...  
LOCATED 8 MILES NORTHWEST OF HARRISONBURG MOVING NORTHEAST AT 45 MPH.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

LAT...LON 3182 9201 3149 9201 3166 9172 3176 9168
      3177 9155 3196 9159 3188 9178

$$

000 
WWUS54 KJAN 061028
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
527 AM CDT WED APR 6 2005

LAC025-061037-
/O.CAN.KJAN.TO.W.0034.000000T0000Z-050406T1045Z/
CATAHOULA LA-
527 AM CDT WED APR 6 2005

...THE TORNADO WARNING FOR CATAHOULA PARISH IS CANCELLED...
THE STORM HAS MOVED OUT OF THE COUNTY.

LAT...LON 3182 9201 3149 9201 3166 9172 3176 9168
      3177 9155 3196 9159 3188 9178

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 4:37 AM CDT	Severe Thunderstorm Warning	JAN	Franklin, Tensas	38 min
Apr 6, 5:03 AM CDT	Severe Thunderstorm Warning	JAN	Madison	57 min
Apr 6, 5:04 AM CDT	Tornado Warning	JAN	Tensas	56 min
Apr 6, 5:35 AM CDT	Severe Thunderstorm Warning	JAN	Madison	70 min
Apr 6, 10:27 AM CDT	Severe Thunderstorm Warning	JAN	Concordia	63 min
Apr 6, 12:50 PM CDT	Severe Thunderstorm Warning	JAN	Concordia	40 min

Nearby

Tornado Warnings in Louisiana, 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.