Alert archive / Louisiana / Tornado Warnings in 2012

Tornado Warning 17, NWS Lake Charles, LA

February 1, 2012Allen Parish, Evangeline Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Feb 1, 2012, 12:54 AM CST for Allen Parish, Evangeline Parish, Louisiana. It was in force for 36 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Feb 1, 2012, 12:54 AM CST (06:54 UTC)
Expired
Feb 1, 2012, 1:30 AM CST
In force
36 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon

Counties Allen Parish, LA, Evangeline Parish, LA

What was reported inside it

TimeReportWhereRemark
Feb 1, 1:11 AM CSTTSTM WND DMGBeaver, LATREES REPORTED DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 6.9 hours before the alert went out and 98 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.

987 
WFUS54 KLCH 010654
TORLCH
LAC003-039-010730-
/O.NEW.KLCH.TO.W.0017.120201T0654Z-120201T0730Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1254 AM CST WED FEB 1 2012

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL EVANGELINE PARISH IN CENTRAL LOUISIANA...
  EAST CENTRAL ALLEN PARISH IN SOUTHWEST LOUISIANA...

* UNTIL 130 AM CST

* AT 1253 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BOND...
  MOVING NORTHEAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BEAVER AND PINE PRAIRIE

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 3093 9246 3069 9233 3064 9267 3073 9271
TIME...MOT...LOC 0654Z 244DEG 31KT 3071 9261

$$

23
2 follow-up statements
853 
WWUS54 KLCH 010705
SVSLCH

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

LAC003-010715-
/O.CAN.KLCH.TO.W.0017.000000T0000Z-120201T0730Z/
ALLEN LA-
105 AM CST WED FEB 1 2012

...THE TORNADO WARNING FOR EAST CENTRAL ALLEN PARISH IS CANCELLED...

LAT...LON 3071 9234 3068 9256 3076 9260 3088 9243
      3076 9237
TIME...MOT...LOC 0705Z 244DEG 31KT 3075 9251

$$

LAC039-010730-
/O.CON.KLCH.TO.W.0017.000000T0000Z-120201T0730Z/
EVANGELINE LA-
105 AM CST WED FEB 1 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM CST FOR CENTRAL
EVANGELINE PARISH...

AT 1259 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
TORNADO.  THIS TORNADO WAS LOCATED 9 MILES SOUTHWEST OF PINE
PRAIRIE..MOVING NORTHEAST AT 35 MPH.

THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
INDICATED PARISH.

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 3071 9234 3068 9256 3076 9260 3088 9243
      3076 9237
TIME...MOT...LOC 0705Z 244DEG 31KT 3075 9251

$$

MM
540 
WWUS54 KLCH 010717
SVSLCH

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

LAC039-010730-
/O.CON.KLCH.TO.W.0017.000000T0000Z-120201T0730Z/
EVANGELINE LA-
117 AM CST WED FEB 1 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM CST FOR CENTRAL
EVANGELINE PARISH...

AT 113 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
TORNADO.  THIS TORNADO WAS LOCATED NEAR PINE PRAIRIE..MOVING
NORTHEAST AT 35 MPH.

THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
INDICATED PARISH.

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 3071 9234 3073 9249 3080 9252 3088 9243
      3076 9237
TIME...MOT...LOC 0717Z 244DEG 31KT 3079 9243

$$

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, 1:26 AM CSTTornado WarningLCHAvoyelles, Evangeline, Saint Landry34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.