Alert archive / Louisiana / Tornado Warnings in 2012

Tornado Warning 15, NWS Lake Charles, LA

January 25, 2012Cameron Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Jan 25, 2012, 5:57 PM CST for Cameron Parish, Louisiana. It was in force for 12 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 25, 2012, 5:57 PM CST (23:57 UTC)
Expired
Jan 25, 2012, 6:09 PM CST
In force
12 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon

County Cameron Parish, LA

The radar

The Lake Charles radar (KLCH), 42 km from the middle of the area, began a volume at 23:55 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jan 25, 2:08 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 12.0 hours before the alert went out and 41 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 2012-01-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 28 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2012-01-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 241 square meters per square second.1939587897Sfc1 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
28 J/kg
Mixed-layer CIN
-201 J/kg
Mixed-layer LCL
576 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
241 m²/s²
0-3 km storm-relative helicity
341 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

862 
WFUS54 KLCH 252357
TORLCH
LAC023-260030-
/O.NEW.KLCH.TO.W.0015.120125T2357Z-120126T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
557 PM CST WED JAN 25 2012

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL CAMERON PARISH IN SOUTHWEST LOUISIANA...

* UNTIL 630 PM CST

* AT 555 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER EAST
  CENTRAL CAMERON PARISH...MOVING NORTHEAST AT 35 MPH.

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

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 900 PM CST WEDNESDAY EVENING
FOR SOUTHWESTERN LOUISIANA.

&&

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

LAT...LON 2991 9293 3001 9282 2989 9275 2985 9282
      2985 9289
TIME...MOT...LOC 2357Z 233DEG 41KT 2992 9285

$$

19
1 follow-up statement
896 
WWUS54 KLCH 260009
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
609 PM CST WED JAN 25 2012

LAC023-260019-
/O.CAN.KLCH.TO.W.0015.000000T0000Z-120126T0030Z/
CAMERON LA-
609 PM CST WED JAN 25 2012

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST WEDNESDAY EVENING
FOR SOUTHWESTERN LOUISIANA.

LAT...LON 2991 9293 3001 9282 2989 9275 2985 9282
      2985 9289
TIME...MOT...LOC 0009Z 233DEG 41KT 3000 9272

$$

K. KUYPER

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 25, 2:38 AM CSTMarine Dense Fog AdvisoryLCH5 hr
Jan 25, 2:44 AM CSTDense Fog AdvisoryLCHCameron, Saint Martin5 hr
Jan 25, 5:19 AM CSTWind AdvisoryLCHCameron, Lafayette, Saint Martin13 hr
Jan 25, 1:29 PM CSTTornado WarningLCHBeauregard, Vernon31 min
Jan 25, 1:51 PM CSTSpecial Weather StatementLCHBeauregard, Calcasieu54 min
Jan 25, 1:59 PM CSTSpecial Marine WarningLCH61 min
Jan 25, 2:01 PM CSTTornado WarningLCHBeauregard, Vernon29 min
Jan 25, 2:28 PM CSTTornado WarningLCHRapides, Vernon32 min
Jan 25, 2:36 PM CSTSevere Thunderstorm WarningLCHAllen, Beauregard, Calcasieu, Cameron54 min
Jan 25, 2:56 PM CSTTornado WarningLCHRapides34 min
Jan 25, 3:06 PM CSTSpecial Marine WarningLCH54 min
Jan 25, 3:24 PM CSTTornado WarningLCHRapides36 min
Jan 25, 3:30 PM CSTSevere Thunderstorm WarningLCHAllen, Beauregard, Calcasieu, Cameron, Evangeline, Jefferson Davis and 2 more60 min
Jan 25, 3:55 PM CSTTornado WarningLCHAvoyelles, Rapides35 min
Jan 25, 4:02 PM CSTSpecial Marine WarningLCH58 min
Jan 25, 4:36 PM CSTSevere Thunderstorm WarningLCHAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 7 more54 min
Jan 25, 4:38 PM CSTAreal Flood AdvisoryLCHCalcasieu112 min
Jan 25, 4:41 PM CSTTornado WarningLCHAvoyelles34 min
Jan 25, 5:00 PM CSTSpecial Marine WarningLCH60 min
Jan 25, 5:20 PM CSTSpecial Weather StatementLCHAvoyelles55 min
Jan 25, 5:33 PM CSTSevere Thunderstorm WarningLCHAcadia, Allen, Calcasieu, Cameron, Evangeline, Jefferson Davis and 2 more57 min
Jan 25, 5:58 PM CSTSpecial Marine WarningLCH62 min

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; radar from the NEXRAD Level II archive.