Alert archive / Louisiana / Tornado Warnings in 2012

Tornado Warning 57, NWS Lake Charles, LA

June 30, 2012Cameron Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Jun 30, 2012, 12:03 PM CDT 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: Jun 30, 2012, 12:03 PM CDT (17:03 UTC)
Expired: Jun 30, 2012, 12:15 PM CDT
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), 62 km from the middle of the area, began a volume at 17:05 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 nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 5.1 hours before the alert went out and 63 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: 1037 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 943 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

267 
WFUS54 KLCH 301703
TORLCH
LAC023-301715-
/O.NEW.KLCH.TO.W.0057.120630T1703Z-120630T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1203 PM CDT SAT JUN 30 2012

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 1215 PM CDT

* AT NOON CDT...THE PUBLIC REPORTED A TORNADO OVER WEST CENTRAL
  CAMERON PARISH...MOVING NORTHWEST AT 20 MPH.

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

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.

&&

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

LAT...LON 2983 9384 2984 9383 2984 9381 2987 9379
      2997 9377 2998 9368 2979 9364 2977 9379
TIME...MOT...LOC 1702Z 147DEG 18KT 2983 9375

$$
TINGLER

1 follow-up statement

812 
WWUS54 KLCH 301716
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1216 PM CDT SAT JUN 30 2012

LAC023-301727-
/O.EXP.KLCH.TO.W.0057.000000T0000Z-120630T1715Z/
CAMERON LA-
1216 PM CDT SAT JUN 30 2012

...THE TORNADO WARNING FOR WEST CENTRAL CAMERON PARISH HAS EXPIRED...

LAT...LON 2983 9384 2984 9383 2984 9381 2987 9379
      2997 9377 2998 9368 2979 9364 2977 9379
TIME...MOT...LOC 1703Z 147DEG 18KT 2983 9375

$$

TINGLER

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; radar from the NEXRAD Level II archive.