Alert archive / Louisiana / Wind Advisories in 2014

Wind Advisory 7, NWS Lake Charles, LA

February 11, 2014Cameron Parish, Louisiana

NWS Lake Charles, LA issued this wind advisory at Feb 11, 2014, 5:00 AM CST for Cameron Parish, Louisiana. It took effect at Feb 11, 2014, 6:00 AM CST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Feb 11, 2014, 5:00 AM CST (11:00 UTC)
In effect from
Feb 11, 2014, 6:00 AM CST
Expired
Feb 11, 2014, 2:00 PM CST
In force
8 hr
Issued by
NWS Lake Charles, LA

County Cameron Parish, LA

The radar

The Lake Charles radar (KLCH), 31 km from the middle of the area, began a volume at 11:01 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 00:00Z, 11.0 hours before the alert went out and 30 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 00:00Z on 2014-02-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2014-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 364 square meters per square second.19395878Sfc1 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
17 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
349 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
364 m²/s²
0-3 km storm-relative helicity
422 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.

770 
WWUS74 KLCH 111100
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
500 AM CST TUE FEB 11 2014

...WIND ADVISORY IN EFFECT UNTIL 2 PM CST THIS AFTERNOON FROM HIGH
ISLAND TO WEST SECTIONS OF VERMILION BAY...

.AS HIGH PRESSURE BUILDS IN AND AN AREA OF LOW PRESSURE DEVELOPS
IN THE GULF, NORTH WINDS WILL INCREASE ALONG THE COAST. WINDS ALONG
THE COAST FROM AROUND HIGH ISLAND TO AROUND FRESHWATER CITY WILL
BE NEAR 20 MPH TODAY. THE PRESSURE GRADIENT WILL RELAX IN THE
AFTERNOON DECREASING WIND SPEEDS.

LAZ052-073-074-TXZ215-112000-
/O.NEW.KLCH.WI.Y.0007.140211T1200Z-140211T2000Z/
VERMILION-WEST CAMERON-EAST CAMERON-JEFFERSON-
INCLUDING THE CITIES OF...ABBEVILLE...KAPLAN...HACKBERRY...
HOLLY BEACH...CAMERON...GRAND CHENIER...BEAUMONT...PORT ARTHUR
500 AM CST TUE FEB 11 2014

...WIND ADVISORY IN EFFECT UNTIL 2 PM CST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 2 PM CST THIS AFTERNOON. 

* TIMING...SUNRISE THROUGH EARLY AFTERNOON.

* WINDS...AROUND 20 MPH.

* IMPACTS...HIGH PROFILE VEHICLES MAY HAVE DIFFICULTIES DRIVING ON EAST
  TO WEST ROADWAYS ESPECIALLY ON BRIDGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 34 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

WINDS OVER LOCAL WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND.
SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 9:28 PM CSTSmall Craft AdvisoryLCH35 hr
Feb 10, 11:49 PM CSTWinter Storm WarningLCHAvoyelles, Rapides5 hr
Feb 11, 4:49 AM CSTWinter Weather AdvisoryLCHAllen, Beauregard, Evangeline, Saint Landry27 hr
Feb 11, 6:18 AM CSTRiver Flood WarningLCHRapides8 days

Nearby

Wind Advisories in Louisiana, 2014Wind Advisories in Texas, 2014Every wind advisory 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.