Alert archive / Louisiana / Tornado Warnings in 2012

Tornado Warning 23, NWS Lake Charles, LA

February 3, 2012Vernon Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Feb 3, 2012, 9:18 AM CST for Vernon Parish, Louisiana. It was in force for 27 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
Feb 3, 2012, 9:18 AM CST (15:18 UTC)
Expired
Feb 3, 2012, 9:45 AM CST
In force
27 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon

County Vernon Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 3.3 hours before the alert went out and 97 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 12:00Z on 2012-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 844 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 12:00Z on 2012-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
844 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
448 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

111 
WFUS54 KLCH 031518
TORLCH
LAC115-031545-
/O.NEW.KLCH.TO.W.0023.120203T1518Z-120203T1545Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
918 AM CST FRI FEB 3 2012

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN VERNON PARISH IN WEST CENTRAL LOUISIANA...
  THIS INCLUDES ROSEPINE...

* UNTIL 945 AM CST

* AT 914 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 12 MILES
  SOUTHWEST OF BURR FERRY...MOVING EAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  BURR FERRY AND EVANS BY 935 AM CST...
  ROSEPINE BY 945 AM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN AN INTERIOR HALLWAY OR
SMALL ROOM LIKE A CLOSET ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS
AND USE PILLOWS OR BLANKETS TO COVER YOUR BODY.

&&

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

LAT...LON 3089 9327 3087 9357 3089 9357 3090 9355
      3092 9355 3093 9352 3096 9353 3097 9355
      3101 9355 3103 9351 3106 9353 3112 9329
TIME...MOT...LOC 1517Z 258DEG 25KT 3095 9362

$$

ERICKSON

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 2, 7:40 PM CSTDense Fog AdvisoryLCHCameron11 hr
Feb 3, 5:14 AM CSTTornado WarningLCHAllen, Evangeline, Rapides31 min
Feb 3, 5:45 AM CSTTornado WarningLCHAllen, Evangeline, Rapides30 min
Feb 3, 7:35 AM CSTAreal Flood AdvisoryLCHAllen, Evangeline, Rapides115 min
Feb 3, 8:58 AM CSTAreal Flood AdvisoryLCHAvoyelles, Rapides2 hr
Feb 3, 9:56 AM CSTRiver Flood WarningLCHAllen10 days
Feb 3, 9:56 AM CSTRiver Flood WarningLCHAllen, Jefferson Davis8 days
Feb 3, 9:56 AM CSTRiver Flood WarningLCHAllen7 days
Feb 3, 10:17 AM CSTRiver Flood WarningLCHCalcasieu12 days
Feb 3, 10:17 AM CSTRiver Flood WarningLCHAcadia, Allen, Evangeline, Jefferson Davis6 days
Feb 3, 10:57 AM CSTFlash Flood WarningLCHAllen, Avoyelles, Evangeline, Rapides3 hr
Feb 3, 12:38 PM CSTTornado WarningLCHAvoyelles22 min
Feb 3, 1:17 PM CSTTornado WarningLCHAvoyelles28 min
Feb 3, 2:04 PM CSTAreal Flood WarningLCHAllen, Avoyelles, Evangeline, Rapides, Vernon6 hr

Nearby

Tornado Warnings in Louisiana, 2012Every tornado warning in 2012Tornadoes in 2012

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.