Alert archive / Louisiana / Tornado Warnings in 2015

Tornado Warning 18, NWS Lake Charles, LA

June 27, 2015Cameron Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Jun 27, 2015, 3:47 PM CDT for Cameron Parish, Louisiana. It was in force for 17 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 27, 2015, 3:47 PM CDT (20:47 UTC)
Expired
Jun 27, 2015, 4:04 PM CDT
In force
17 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon

County Cameron Parish, LA

The radar

The Lake Charles radar (KLCH), 60 km from the middle of the area, began a volume at 20:50 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, 8.8 hours before the alert went out and 61 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 2015-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2755 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 12:00Z on 2015-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -43 square meters per square second.1939Sfc1 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
2755 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
744 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-43 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

544 
WFUS54 KLCH 272047
TORLCH
LAC023-272115-
/O.NEW.KLCH.TO.W.0018.150627T2047Z-150627T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
347 PM CDT SAT JUN 27 2015

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES  HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CAMERON PARISH IN SOUTHWESTERN LOUISIANA...

* UNTIL 415 PM CDT
    
* AT 346 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A WATERSPOUT MOVING 
  ACROSS THE MARSH NORTH OF JOHNSONS BAYOU OR 8 MILES EAST OF PORT 
  ARTHUR. DOPPLER RADAR SHOWED THIS TORNADO MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SABINE NATIONAL WILDLIFE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO HAS BEEN CONFIRMED BY LOCAL LAW ENFORCEMENT.
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 2979 9383 2982 9384 2983 9382 2982 9382
      2985 9379 2988 9378 2989 9377 2990 9377
      2992 9376 2994 9376 3003 9359 2978 9350
TIME...MOT...LOC 2046Z 254DEG 14KT 2985 9379 

$$

TINGLER
1 follow-up statement
656 
WWUS54 KLCH 272104
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
404 PM CDT SAT JUN 27 2015

LAC023-272111-
/O.CAN.KLCH.TO.W.0018.000000T0000Z-150627T2115Z/
CAMERON LA-
404 PM CDT SAT JUN 27 2015

...THE TORNADO WARNING FOR NORTHWESTERN CAMERON PARISH IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED 
AND REPORTS FROM SOUTHWEST CAMERON PARISH INDICATE THE TORNADO HAS 
DISSIPATED. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 2979 9383 2982 9384 2983 9382 2982 9382
      2985 9379 2988 9378 2989 9377 2990 9377
      2992 9376 2994 9376 3003 9359 2978 9350
TIME...MOT...LOC 2101Z 254DEG 14KT 2987 9372 

$$

TINGLER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 1:24 PM CDTSpecial Weather StatementLCHRapides36 min
Jun 27, 1:52 PM CDTSpecial Weather StatementLCHRapides38 min
Jun 27, 2:01 PM CDTSevere Thunderstorm WarningLCHAvoyelles, Evangeline, Rapides29 min
Jun 27, 2:18 PM CDTSpecial Weather StatementLCHAvoyelles27 min
Jun 27, 2:27 PM CDTSpecial Weather StatementLCHAvoyelles48 min
Jun 27, 4:50 PM CDTSpecial Weather StatementLCHCalcasieu40 min
Jun 27, 4:53 PM CDTSpecial Marine WarningLCH37 min
Jun 27, 5:02 PM CDTSpecial Marine WarningLCH58 min
Jun 27, 5:26 PM CDTSpecial Weather StatementLCHAcadia34 min
Jun 27, 5:54 PM CDTSpecial Weather StatementLCHLafayette36 min
Jun 27, 6:17 PM CDTSpecial Weather StatementLCHSaint Martin43 min

Nearby

Tornado Warnings in Louisiana, 2015Every tornado warning in 2015Tornadoes in 2015

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.