Alert archive / Louisiana / Tornado Warnings in 2015

Tornado Warning 26, NWS Lake Charles, LA

November 17, 2015Allen Parish, Beauregard Parish, Vernon Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Nov 17, 2015, 2:26 PM CST for Allen Parish, Beauregard Parish, Vernon Parish, Louisiana. It was in force for 34 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 17, 2015, 2:26 PM CST (20:26 UTC)
Expired: Nov 17, 2015, 3:00 PM CST
In force: 34 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Allen Parish, LA, Beauregard Parish, LA, Vernon Parish, LA

The radar

The Ft Polk radar (KPOE), 30 km from the middle of the area, began a volume at 20:29 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 17, 8:55 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.4 hours before the alert went out and 88 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: 1295 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 475 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 230 m²/s²
0-3 km storm-relative helicity: 307 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 7.5

Open this sounding in Storm Lab

The text

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

347 
WFUS54 KLCH 172026
TORLCH
LAC003-011-115-172100-
/O.NEW.KLCH.TO.W.0026.151117T2026Z-151117T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
226 PM CST TUE NOV 17 2015

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES  HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN VERNON PARISH IN WEST CENTRAL LOUISIANA...
  NORTH CENTRAL ALLEN PARISH IN SOUTHWESTERN LOUISIANA...
  NORTHEASTERN BEAUREGARD PARISH IN SOUTHWESTERN LOUISIANA...

* UNTIL 300 PM CST
    
* AT 226 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER DRY CREEK...MOVING NORTH AT 50 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  SUGARTOWN AROUND 240 PM CST.
  PITKIN AROUND 245 PM CST.
  FULLERTON AND CRAVENS AROUND 250 PM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3102 9283 3066 9303 3067 9308 3105 9308
TIME...MOT...LOC 2026Z 192DEG 44KT 3070 9305 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

25

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 16, 7:57 PM CST	River Flood Warning	LCH	Beauregard, Calcasieu	4 days
Nov 16, 9:00 PM CST	Coastal Flood Advisory	LCH	Cameron, Saint Martin	27 hr
Nov 17, 9:23 AM CST	River Flood Warning	LCH	Rapides	9 days
Nov 17, 9:23 AM CST	River Flood Warning	LCH	Calcasieu	6 days
Nov 17, 9:23 AM CST	River Flood Warning	LCH	Acadia, Jefferson Davis, Vermilion	3 days
Nov 17, 11:13 AM CST	Severe Thunderstorm Warning	LCH	Allen, Beauregard, Vernon	47 min
Nov 17, 11:15 AM CST	Special Weather Statement	LCH	Calcasieu	45 min
Nov 17, 11:48 AM CST	Special Weather Statement	LCH	Beauregard	27 min
Nov 17, 12:05 PM CST	Special Weather Statement	LCH	Beauregard	25 min
Nov 17, 12:39 PM CST	High Wind Warning	LCH	Saint Martin	5 hr
Nov 17, 1:49 PM CST	Special Weather Statement	LCH	Beauregard, Calcasieu, Vernon	26 min
Nov 17, 2:26 PM CST	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu	34 min
Nov 17, 3:06 PM CST	Special Weather Statement	LCH	Beauregard, Calcasieu	24 min
Nov 17, 3:34 PM CST	Special Weather Statement	LCH	Allen, Calcasieu, Cameron	26 min
Nov 17, 3:36 PM CST	Areal Flood Advisory	LCH	Beauregard, Calcasieu, Vernon	3 hr

Nearby

Tornado Warnings in Louisiana, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.