Alert archive / Louisiana / Tornado Warnings in 2005

Tornado Warning 36, NWS Jackson, MS

April 6, 2005Tensas Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Apr 6, 2005, 5:04 AM CDT for Tensas Parish, Louisiana. It was in force for 56 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, 5:04 AM CDT (10:04 UTC)
Expired: Apr 6, 2005, 6:00 AM CDT
In force: 56 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Tensas Parish, LA

The radar

The Jackson/Brandon,MS radar (KDGX), 131 km from the middle of the area, began a volume at 10:05 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
Apr 6, 2:55 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 10.1 hours before the alert went out and 124 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 061004
TORJAN
LAC107-061100-
/O.NEW.KJAN.TO.W.0036.050406T1004Z-050406T1100Z/

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

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

* UNTIL 600 AM CDT

* AT 504 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 20 MILES WEST OF
  ST. JOSEPH...OR ABOUT 14 MILES NORTH OF FERRIDAY...MOVING NORTHEAST
  AT 45 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  7 MILES NORTHWEST OF ST. JOSEPH BY 525 AM CDT
  NEWELLTON BY 530 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 3192 9156 3176 9155 3186 9124 3201 9113
      3212 9107 3216 9118

$$

CME

1 follow-up statement

000 
WWUS54 KJAN 061034
SVSJAN

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

LAC107-061100-
/O.CON.KJAN.TO.W.0036.000000T0000Z-050406T1100Z/
TENSAS LA-
533 AM CDT WED APR 6 2005

...A TORNADO WARNING CONTINUES UNTIL 600 AM CDT FOR EASTERN TENSAS
PARISH...

AT 530 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO...ABOUT LOCATED 
12 MILES NORTHEAST OF NEWELLTON...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 3201 9143 3190 9130 3186 9124 3201 9114
      3212 9107 3216 9118

$$

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, 4:46 AM CDT	Tornado Warning	JAN	Catahoula	59 min
Apr 6, 5:03 AM CDT	Severe Thunderstorm Warning	JAN	Madison	57 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; radar from the NEXRAD Level II archive.