Alert archive / Louisiana / Tornado Warnings in 2014

Tornado Warning 8, NWS Lake Charles, LA

July 24, 2014Cameron Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Jul 24, 2014, 3:19 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
Jul 24, 2014, 3:19 PM CDT (20:19 UTC)
Expired
Jul 24, 2014, 3:36 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), 42 km from the middle of the area, began a volume at 20:19 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, 8.3 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 2014-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 833 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 2014-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -46 square meters per square second.193958Sfc1 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
833 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
760 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-46 m²/s²
0-3 km storm-relative helicity
31 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.

250 
WFUS54 KLCH 242019
TORLCH
LAC023-242045-
/O.NEW.KLCH.TO.W.0008.140724T2019Z-140724T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
319 PM CDT THU JUL 24 2014

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN CAMERON PARISH IN SOUTHWEST LOUISIANA...
  THIS INCLUDES GRAND CHENIER...

* UNTIL 345 PM CDT

* AT 316 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES EAST OF
  GRAND CHENIER...MOVING NORTHWEST AT 10 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.

&&

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

LAT...LON 2979 9310 2999 9298 2982 9275 2974 9281
TIME...MOT...LOC 2019Z 120DEG 7KT 2981 9287

$$

23
1 follow-up statement
775 
WWUS54 KLCH 242036
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
336 PM CDT THU JUL 24 2014

LAC023-242045-
/O.CAN.KLCH.TO.W.0008.000000T0000Z-140724T2045Z/
CAMERON LA-
336 PM CDT THU JUL 24 2014

...THE TORNADO WARNING FOR EASTERN CAMERON PARISH IS CANCELLED...
THE THUNDERSTORM PRODUCING THE POSSIBLE TORNADO HAS SIGNIFICANTLY 
WEAKENED AND IS NO LONGER CONSIDERED A THREAT.

LAT...LON 2979 9310 2999 9298 2982 9275 2974 9281
TIME...MOT...LOC 2035Z 120DEG 7KT 2983 9290

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 7:24 PM CDTSpecial Weather StatementLCHRapides66 min
Jul 23, 8:10 PM CDTSpecial Marine WarningLCH65 min
Jul 23, 8:29 PM CDTSpecial Weather StatementLCHRapides61 min
Jul 23, 9:28 PM CDTSpecial Marine WarningLCH32 min
Jul 23, 10:11 PM CDTSpecial Weather StatementLCHAllen34 min
Jul 24, 3:06 PM CDTSpecial Weather StatementLCHCameron54 min
Jul 24, 4:43 PM CDTSpecial Weather StatementLCHJefferson Davis32 min

Nearby

Tornado Warnings in Louisiana, 2014Every tornado warning in 2014Tornadoes in 2014

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.