Alert archive / Louisiana / Tornado Warnings in 2011

Tornado Warning 28, NWS Lake Charles, LA

November 15, 2011Vernon Parish, Louisiana; Newton County, Texas

NWS Lake Charles, LA issued this tornado warning at Nov 15, 2011, 5:59 PM CST for Vernon Parish, Louisiana; Newton County, Texas. It was in force for 21 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 15, 2011, 5:59 PM CST (23:59 UTC)
Expired: Nov 15, 2011, 6:20 PM CST
In force: 21 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon

Counties Vernon Parish, LA, Newton County, TX

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 15, 5:56 PM CST	Tornado Watch	SPC	7 hr
Nov 15, 8:57 AM CST	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 12.0 hours before the alert went out and 107 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: 26 J/kg
Mixed-layer CIN: -395 J/kg
Mixed-layer LCL: 948 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 180 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

215 
WFUS54 KLCH 152359
TORLCH
LAC115-TXC351-160030-
/O.NEW.KLCH.TO.W.0028.111115T2359Z-111116T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
559 PM CST TUE NOV 15 2011

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN NEWTON COUNTY IN SOUTHEAST TEXAS...
  THIS INCLUDES...TOLEDO BEND DAM...BURKEVILLE...
  SOUTHWESTERN VERNON PARISH IN WEST CENTRAL LOUISIANA...

* UNTIL 630 PM CST

* AT 556 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES WEST OF
  STRINGTOWN...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  STRINGTOWN BY 605 PM CST...
  BURKEVILLE BY 610 PM CST...
  MAYFLOWER BY 615 PM CST...
  BURR FERRY BY 625 PM CST...
  TOLEDO BEND DAM BY 630 PM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NATIONAL WEATHER SERVICE RADAR INDICATES A TORNADO MAY FORM AT ANY
TIME. TAKE COVER NOW! ABANDON MOBILE HOMES AND VEHICLES. MOVE TO AN
INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS. A SEVERE THUNDERSTORM
WATCH ALSO REMAINS IN EFFECT UNTIL 600 PM CST TUESDAY EVENING FOR
SOUTHEAST TEXAS.

&&

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT
337-477-5285 EXTENSION 1.

LAT...LON 3118 9340 3092 9351 3080 9366 3089 9382
      3117 9368
TIME...MOT...LOC 2358Z 213DEG 29KT 3091 9373

$$

1 follow-up statement

966 
WWUS54 KLCH 160020
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
620 PM CST TUE NOV 15 2011

LAC115-TXC351-160028-
/O.CAN.KLCH.TO.W.0028.000000T0000Z-111116T0030Z/
NEWTON TX-VERNON LA-
620 PM CST TUE NOV 15 2011

...THE TORNADO WARNING FOR NORTHERN NEWTON COUNTY...AND SOUTHWESTERN
VERNON PARISH IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.

LAT...LON 3118 9340 3092 9351 3080 9366 3089 9382
      3117 9368
TIME...MOT...LOC 0018Z 213DEG 29KT 3105 9363

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 14, 8:02 PM CST	Dense Fog Advisory	LCH	Lafayette, Saint Martin	12 hr
Nov 15, 8:15 AM CST	Dense Fog Advisory	LCH	Allen, Beauregard, Evangeline, Lafayette, Saint Landry, Saint Martin	45 min
Nov 15, 5:36 PM CST	Severe Thunderstorm Warning	LCH	Lafayette, Vermilion	54 min
Nov 15, 5:43 PM CST	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu	46 min
Nov 15, 3:19 PM CST	Special Weather Statement	LCH	Hardin	56 min
Nov 15, 3:45 PM CST	Special Weather Statement	LCH	Tyler	60 min
Nov 15, 4:14 PM CST	Special Weather Statement	LCH	Hardin, Tyler	46 min
Nov 15, 4:38 PM CST	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Tyler	37 min
Nov 15, 4:52 PM CST	Tornado Warning	LCH	Hardin, Jasper, Newton, Tyler	38 min
Nov 15, 5:12 PM CST	Special Weather Statement	LCH	Orange	63 min
Nov 15, 5:27 PM CST	Tornado Warning	LCH	Jasper, Newton	48 min

Nearby

Tornado Warnings in Louisiana, 2011 Tornado Warnings in Texas, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.