Alert archive / Louisiana / Tornado Warnings in 2012

Tornado Warning 3, NWS Lake Charles, LA

January 9, 2012Beauregard Parish, Vernon Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Jan 9, 2012, 6:18 AM CST for Beauregard Parish, Vernon Parish, Louisiana. It was in force for 42 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: Jan 9, 2012, 6:18 AM CST (12:18 UTC)
Expired: Jan 9, 2012, 7:00 AM CST
In force: 42 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon

Counties Beauregard Parish, LA, Vernon Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 0.3 hours before the alert went out and 92 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: 610 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 546 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 169 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

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

020 
WFUS54 KLCH 091218
TORLCH
LAC011-115-091300-
/O.NEW.KLCH.TO.W.0003.120109T1218Z-120109T1300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
618 AM CST MON JAN 9 2012

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL BEAUREGARD PARISH IN SOUTHWEST LOUISIANA...
  SOUTH CENTRAL VERNON PARISH IN WEST CENTRAL LOUISIANA...
  THIS INCLUDES FORT POLK...

* UNTIL 700 AM CST

* AT 615 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 15 MILES
  SOUTHWEST OF CRAVENS...MOVING NORTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  FULLERTON

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 3110 9322 3095 9293 3077 9319 3083 9329
TIME...MOT...LOC 1218Z 214DEG 18KT 3083 9321

$$

23
MM

1 follow-up statement

640 
WWUS54 KLCH 091302
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
702 AM CST MON JAN 9 2012

LAC011-115-091311-
/O.EXP.KLCH.TO.W.0003.000000T0000Z-120109T1300Z/
BEAUREGARD LA-VERNON LA-
702 AM CST MON JAN 9 2012

...THE TORNADO WARNING FOR SOUTH CENTRAL VERNON AND NORTH CENTRAL
BEAUREGARD PARISHES HAS EXPIRED...

THE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED AND IS NO 
LONGER CONSIDERED A THREAT.

LAT...LON 3110 9322 3095 9293 3077 9319 3083 9329
TIME...MOT...LOC 1218Z 214DEG 18KT 3083 9321

$$

MM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 8, 8:54 PM CST	Marine Dense Fog Advisory	LCH		10 hr
Jan 8, 9:02 PM CST	Dense Fog Advisory	LCH	Cameron, Lafayette, Saint Martin	10 hr
Jan 9, 4:19 AM CST	Severe Thunderstorm Warning	LCH	Beauregard	41 min
Jan 9, 5:17 AM CST	Tornado Warning	LCH	Beauregard	28 min
Jan 9, 5:49 AM CST	Tornado Warning	LCH	Beauregard	26 min
Jan 9, 12:08 PM CST	Areal Flood Advisory	LCH	Vernon	4 hr
Jan 9, 2:04 PM CST	Special Marine Warning	LCH		56 min
Jan 9, 3:02 PM CST	Special Marine Warning	LCH		58 min
Jan 9, 3:22 PM CST	Areal Flood Advisory	LCH	Calcasieu	4 hr
Jan 9, 5:02 PM CST	Special Marine Warning	LCH		88 min

Nearby

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