Alert archive / Louisiana / Wind Advisories in 2014

Wind Advisory 8, NWS Lake Charles, LA

February 14, 20144 parishes in Louisiana

NWS Lake Charles, LA issued this wind advisory at Feb 14, 2014, 11:12 AM CST for 4 parishes in Louisiana. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Feb 14, 2014, 11:12 AM CST (17:12 UTC)
Expired
Feb 14, 2014, 6:00 PM CST
In force
7 hr
Issued by
NWS Lake Charles, LA

Counties Cameron Parish, LA, Lafayette Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA

The radar

The Lake Charles radar (KLCH), 96 km from the middle of the area, began a volume at 17:09 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, 5.2 hours before the alert went out and 95 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 2014-02-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2014-02-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
659 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
198 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.

388 
WWUS74 KLCH 141712
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1112 AM CST FRI FEB 14 2014

...GUSTY SOUTHWEST WINDS EXPECTED TODAY...

.THE PRESSURE GRADIENT ACROSS THE AREA IS TIGHTENING AHEAD OF AN
APPROACHING COLD FRONT. IN ADDITION...DAYTIME HEATING WILL ALLOW 
STRONG WINDS ALOFT TO BE TRANSPORTED DOWN TO THE SURFACE.
SOUTHWEST WINDS ARE EXPECTED TO INCREASE TO 15 TO 25 MPH...WITH
GUSTS UP TO 35 MPH POSSIBLE.

LAZ033-041>045-052>055-073-074-TXZ215-216-150000-
/O.NEW.KLCH.WI.Y.0008.140214T1712Z-140215T0000Z/
ST. LANDRY-CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-
UPPER ST. MARTIN-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-
WEST CAMERON-EAST CAMERON-JEFFERSON-ORANGE-
INCLUDING THE CITIES OF...OPELOUSAS...EUNICE...LAKE CHARLES...
SULPHUR...JENNINGS...WELSH...LAKE ARTHUR...CROWLEY...RAYNE...
CHURCH POINT...LAFAYETTE...BREAUX BRIDGE...ST. MARTINVILLE...
ABBEVILLE...KAPLAN...NEW IBERIA...MORGAN CITY...FRANKLIN...
PATTERSON...BERWICK...BAYOU VISTA...STEPHENSVILLE...HACKBERRY...
HOLLY BEACH...CAMERON...GRAND CHENIER...BEAUMONT...PORT ARTHUR...
ORANGE...VIDOR...BRIDGE CITY
1112 AM CST FRI FEB 14 2014

...WIND ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. 

* TIMING...THROUGH THIS AFTERNOON.

* WINDS...15 TO 20 MPH WITH GUSTS UP TO 35 MPH.

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

&&

$$

13
1 follow-up statement
961 
WWUS74 KLCH 142120
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
320 PM CST FRI FEB 14 2014

...GUSTY SOUTHWEST WINDS WILL CONTINUE FOR ANOTHER FEW HOURS...

.THE PRESSURE GRADIENT ACROSS THE AREA REMAINS TIGHT AHEAD OF AN
APPROACHING COLD FRONT. IN ADDITION...STRONG WINDS ALOFT WILL
CONTINUE TO BE TRANSPORTED DOWN TO THE SURFACE. SOUTHWEST WINDS
WILL CONTINUE AT 15 TO 25 MPH...WITH GUSTS UP TO 35 MPH
POSSIBLE...FOR THE REST OF THE AFTERNOON.

LAZ033-041>045-052>055-073-074-TXZ215-216-150000-
/O.CON.KLCH.WI.Y.0008.000000T0000Z-140215T0000Z/
ST. LANDRY-CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-
UPPER ST. MARTIN-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-
WEST CAMERON-EAST CAMERON-JEFFERSON-ORANGE-
INCLUDING THE CITIES OF...OPELOUSAS...EUNICE...LAKE CHARLES...
SULPHUR...JENNINGS...WELSH...LAKE ARTHUR...CROWLEY...RAYNE...
CHURCH POINT...LAFAYETTE...BREAUX BRIDGE...ST. MARTINVILLE...
ABBEVILLE...KAPLAN...NEW IBERIA...MORGAN CITY...FRANKLIN...
PATTERSON...BERWICK...BAYOU VISTA...STEPHENSVILLE...HACKBERRY...
HOLLY BEACH...CAMERON...GRAND CHENIER...BEAUMONT...PORT ARTHUR...
ORANGE...VIDOR...BRIDGE CITY
320 PM CST FRI FEB 14 2014

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* TIMING...THROUGH THIS AFTERNOON.

* WINDS...15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

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

&&

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 14, 4:52 AM CSTDense Fog AdvisoryLCHCameron4 hr

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.