Alert archive / Louisiana / Wind Advisories in 2018

Wind Advisory 8, NWS Lake Charles, LA

April 6, 2018Cameron Parish, Lafayette Parish, Louisiana

NWS Lake Charles, LA issued this wind advisory at Apr 6, 2018, 3:37 AM CDT for Cameron Parish, Lafayette Parish, Louisiana. It took effect at Apr 6, 2018, 1:00 PM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 6, 2018, 3:37 AM CDT (08:37 UTC)
In effect from
Apr 6, 2018, 1:00 PM CDT
Expired
Apr 6, 2018, 7:00 PM CDT
In force
6 hr
Issued by
NWS Lake Charles, LA

Counties Cameron Parish, LA, Lafayette Parish, LA

The radar

The Lake Charles radar (KLCH), 57 km from the middle of the area, began a volume at 08:36 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, 8.6 hours before the alert went out and 56 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 2018-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 00:00Z on 2018-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
720 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

809 
WWUS74 KLCH 060837
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
337 AM CDT Fri Apr 6 2018

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT
THIS EVENING...

.Winds will increase ahead of an approaching area of low pressure 
this afternoon. South winds generally south of Interstate 10 may 
become sustained at 20 MPH for a few hours during the afternoon. 
Higher gusts can be expected.

LAZ041>044-052>054-073-074-TXZ215-216-062300-
/O.NEW.KLCH.WI.Y.0008.180406T1800Z-180407T0000Z/
Calcasieu-Jefferson Davis-Acadia-Lafayette-Vermilion-Iberia-
St. Mary-West Cameron-East Cameron-Jefferson-Orange-
Including the cities of Lake Charles, Sulphur, Hathaway, 
Jennings, Topsy, Roanoke, Welsh, Lake Arthur, Crowley, Rayne, 
Branch, Church Point, Richard, Lafayette, Abbeville, 
Intracoastal City, Meaux, Forked Island, Kaplan, New Iberia, 
Morgan City, Burns Point, Centerville, Franklin, Patterson, 
Berwick, Bayou Vista, Hackberry, Johnson Bayou, Grand Lake, 
Klondike, Cameron, Creole, Grand Chenier, Rutherford Beach, 
Beaumont, Sabine Pass, Sea Rim State Park, Orange, Vidor, 
and Bridge City
337 AM CDT Fri Apr 6 2018

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT
THIS EVENING...

The National Weather Service in Lake Charles has issued a Wind
Advisory, which is in effect from 1 PM this afternoon to 7 PM CDT
this evening. 

* TIMING...1 PM to 7 PM today.

* WINDS...around 20 MPH with higher gusts.

* IMPACTS...Loose lawn objects will be blown around. Travel may
  become difficult, especially for high profile vehicles, on east
  west roadways and bridges. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 20 mph are expected. Winds
this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$
1 follow-up statement
310 
WWUS74 KLCH 061951
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
251 PM CDT Fri Apr 6 2018

...VERY BREEZY AND GUSTY SOUTH WINDS THROUGH THE AFTERNOON...

.An area of low pressure over north central Texas will keep a
tight pressure gradient over portions of the region this
afternoon. This will allow for breezy and gusty south winds for
along the interstate 10 corridor south to the coast. Sustained
wind speeds will be around 20 mph with gusts to near 30 mph until
sunset.

LAZ041>044-052>054-073-074-TXZ215-216-070000-
/O.CON.KLCH.WI.Y.0008.000000T0000Z-180407T0000Z/
Calcasieu-Jefferson Davis-Acadia-Lafayette-Vermilion-Iberia-
St. Mary-West Cameron-East Cameron-Jefferson-Orange-
Including the cities of Lake Charles, Sulphur, Hathaway, 
Jennings, Topsy, Roanoke, Welsh, Lake Arthur, Crowley, Rayne, 
Branch, Church Point, Richard, Lafayette, Abbeville, 
Intracoastal City, Meaux, Forked Island, Kaplan, New Iberia, 
Morgan City, Burns Point, Centerville, Franklin, Patterson, 
Berwick, Bayou Vista, Hackberry, Johnson Bayou, Grand Lake, 
Klondike, Cameron, Creole, Grand Chenier, Rutherford Beach, 
Beaumont, Sabine Pass, Sea Rim State Park, Orange, Vidor, 
and Bridge City
251 PM CDT Fri Apr 6 2018

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

* TIMING...through 7 PM.

* WINDS...sustained 20 to 25 MPH with gusts to near 30 mph.

* IMPACTS...Loose lawn objects will be blown around. Travel may 
  become difficult, especially for high profile vehicles, on 
  east west roadways and bridges. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 20 mph are expected. Winds
this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$

Rua

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 4:23 PM CDTSpecial Weather StatementLCHVernon52 min

Nearby

Wind Advisories in Louisiana, 2018Wind Advisories in Texas, 2018Every wind advisory in 2018

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.