Alert archive / Louisiana / Wind Advisories in 2012

Wind Advisory 17, NWS Lake Charles, LA

May 24, 2012Cameron Parish, Louisiana

NWS Lake Charles, LA issued this wind advisory at May 24, 2012, 10:19 AM CDT for Cameron Parish, Louisiana. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
May 24, 2012, 10:19 AM CDT (15:19 UTC)
Expired
May 24, 2012, 7:00 PM CDT
In force
9 hr
Issued by
NWS Lake Charles, LA

County Cameron Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 3.3 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 12:00Z on 2012-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 734 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 2012-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 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
734 J/kg
Mixed-layer CIN
-232 J/kg
Mixed-layer LCL
839 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

791 
WWUS74 KLCH 241520
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1019 AM CDT THU MAY 24 2012

...STRONG SOUTHERLY WINDS EXPECTED TODAY...

.A TIGHT PRESSURE GRADIENT BETWEEN HIGH PRESSURE TO OUR EAST AND
LOW PRESSURE THROUGH MID TEXAS WILL MAINTAIN STRONG SOUTHERLY
WINDS TODAY.

LAZ041-073-074-TXZ215-216-250000-
/O.NEW.KLCH.WI.Y.0017.120524T1519Z-120525T0000Z/
CALCASIEU-WEST CAMERON-EAST CAMERON-JEFFERSON-ORANGE-
INCLUDING THE CITIES OF...LAKE CHARLES...SULPHUR...HACKBERRY...
HOLLY BEACH...CAMERON...GRAND CHENIER...BEAUMONT...PORT ARTHUR...
ORANGE...VIDOR...BRIDGE CITY
1019 AM CDT THU MAY 24 2012

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

* TIMING...LATE MORNING THROUGH THE AFTERNOON.

* WINDS...SUSTAINED SOUTH WINDS 15 TO 25 MPH. GUSTS UP TO 35 MPH.

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.

&&

$$

Nearby

Wind Advisories in Louisiana, 2012Wind Advisories in Texas, 2012Every wind advisory 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.