Alert archive / Louisiana / Tornado Warnings in 2012

Tornado Warning 18, NWS Lake Charles, LA

February 1, 2012Avoyelles Parish, Evangeline Parish, Saint Landry Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Feb 1, 2012, 1:26 AM CST for Avoyelles Parish, Evangeline Parish, Saint Landry 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
Feb 1, 2012, 1:26 AM CST (07:26 UTC)
Expired
Feb 1, 2012, 2:00 AM CST
In force
34 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon

Counties Avoyelles Parish, LA, Evangeline Parish, LA, Saint Landry Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 7.4 hours before the alert went out and 125 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 00:00Z on 2012-02-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 251 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2012-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.19395878Sfc1 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
251 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

534 
WFUS54 KLCH 010726
TORLCH
LAC009-039-097-010800-
/O.NEW.KLCH.TO.W.0018.120201T0726Z-120201T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
126 AM CST WED FEB 1 2012

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN AVOYELLES PARISH IN CENTRAL LOUISIANA...
  THIS INCLUDES BUNKIE...
  NORTHEASTERN EVANGELINE PARISH IN CENTRAL LOUISIANA...
  NORTHWESTERN ST. LANDRY PARISH IN CENTRAL LOUISIANA...

* UNTIL 200 AM CST

* AT 122 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR PINE
  PRAIRIE...MOVING NORTHEAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BAYOU
  CHICOT...CHICOT STATE PARK...INDIAN LAKE AND WHITEVILLE

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.

TORNADOES AT NIGHT ARE EXTREMELY DANGEROUS. DO NOT WAIT UNTIL YOU SEE
OR HEAR THE TORNADO...IT MAY BE TOO LATE. TAKE COVER NOW!

&&

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

LAT...LON 3079 9209 3074 9242 3084 9246 3097 9226
      3097 9221 3099 9221 3100 9218
TIME...MOT...LOC 0725Z 248DEG 18KT 3080 9241

$$

23
1 follow-up statement
866 
WWUS54 KLCH 010741
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
141 AM CST WED FEB 1 2012

LAC009-039-097-010800-
/O.CON.KLCH.TO.W.0018.000000T0000Z-120201T0800Z/
ST. LANDRY LA-EVANGELINE LA-AVOYELLES LA-
141 AM CST WED FEB 1 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CST FOR
SOUTHWESTERN AVOYELLES...NORTHEASTERN EVANGELINE AND NORTHWESTERN ST.
LANDRY PARISHES...

AT 140 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
TORNADO.  THIS TORNADO WAS LOCATED NEAR BAYOU CHICOT..MOVING EAST AT
20 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CHICOT
STATE PARK...INDIAN LAKE...ST. LANDRY...WHITEVILLE AND BUNKIE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES AT NIGHT ARE EXTREMELY DANGEROUS. DO NOT WAIT UNTIL YOU SEE
OR HEAR THE TORNADO...IT MAY BE TOO LATE. TAKE COVER NOW!

&&

LAT...LON 3079 9209 3075 9234 3086 9239 3097 9226
      3097 9221 3099 9221 3100 9218
TIME...MOT...LOC 0741Z 248DEG 18KT 3083 9232

$$

MM

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 1, 12:28 AM CSTTornado WarningLCHAllen32 min
Feb 1, 12:54 AM CSTTornado WarningLCHAllen, Evangeline36 min
Feb 1, 2:01 AM CSTTornado WarningLCHAvoyelles, Saint Landry29 min
Feb 1, 6:53 AM CSTMarine Dense Fog AdvisoryLCH3 hr
Feb 1, 7:13 AM CSTRiver Flood WarningLCHRapides12 days
Feb 1, 10:27 AM CSTMarine Dense Fog AdvisoryLCH26 hr
Feb 1, 10:41 AM CSTAreal Flood WarningLCHEvangeline36 hr
Feb 1, 12:52 PM CSTAreal Flood AdvisoryLCHBeauregard, Calcasieu, Cameron, Jefferson Davis113 min
Feb 1, 12:55 PM CSTSpecial Marine WarningLCH65 min
Feb 1, 2:12 PM CSTSpecial Marine WarningLCH2 hr
Feb 1, 2:31 PM CSTAreal Flood AdvisoryLCHSaint Landry119 min
Feb 1, 3:40 PM CSTSpecial Marine WarningLCH2 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.