Alert archive / Louisiana / Wind Advisories in 2017

Wind Advisory 7, NWS Lake Charles, LA

April 4, 20178 parishes in Louisiana

NWS Lake Charles, LA issued this wind advisory at Apr 4, 2017, 3:48 PM CDT for 8 parishes in Louisiana. It took effect at Apr 5, 2017, 11:00 AM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Apr 4, 2017, 3:48 PM CDT (20:48 UTC)
In effect from
Apr 5, 2017, 11:00 AM CDT
Expired
Apr 5, 2017, 6:00 PM CDT
In force
7 hr
Issued by
NWS Lake Charles, LA

Counties Allen Parish, LA, Avoyelles Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA

The radar

The Ft Polk radar (KPOE), 91 km from the middle of the area, began a volume at 20:45 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, 8.8 hours before the alert went out and 96 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 2017-04-04Temperature 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 2017-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
2082 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

203 
WWUS74 KLCH 042048
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
348 PM CDT Tue Apr 4 2017

...STRONG AND GUSTY WINDS EXPECTED ON WEDNESDAY...

.A cold front is forecast to sweep through the area Wednesday
morning. A tight pressure gradient behind the front coupled with
strong winds within the lowest few thousand feet above ground
level will result in a period of sustained winds around 20 mph
with frequent gusts of 30 to 35 mph. Occasional gusts near 40 mph
are possible. Winds are expected to subside by early evening.

LAZ028-029-031>033-041>045-052>055-073-074-TXZ215-216-050500-
/O.NEW.KLCH.WI.Y.0007.170405T1600Z-170405T2300Z/
Rapides-Avoyelles-Allen-Evangeline-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 Alexandria, Pineville, Effie, Marksville,
Bunkie, Cottonport, Simmesport, Mansura, Oakdale, Kinder, 
Ville Platte, Beaver, St. Landry, Mamou, Reddell, Lawtell, 
Opelousas, Eunice, Lake Charles, Sulphur, Hathaway, Jennings, 
Topsy, Roanoke, Welsh, Lake Arthur, Crowley, Rayne, Branch, 
Church Point, Richard, Lafayette, Breaux Bridge, Cade, 
St. Martinville, Abbeville, Intracoastal City, Meaux, 
Forked Island, Kaplan, New Iberia, Morgan City, Burns Point, 
Centerville, Franklin, Patterson, Berwick, Bayou Vista, 
Stephensville, Hackberry, Johnson Bayou, Grand Lake, Klondike, 
Cameron, Creole, Grand Chenier, Rutherford Beach, Beaumont, 
Sabine Pass, Sea Rim State Park, Orange, Vidor, and Bridge City
348 PM CDT Tue Apr 4 2017

...WIND ADVISORY IN EFFECT FROM 11 AM TO 6 PM CDT WEDNESDAY...

The National Weather Service in Lake Charles has issued a Wind
Advisory, which is in effect from 11 AM to 6 PM CDT Wednesday. 

* TIMING...Late Wednesday morning through earl Wednesday evening.

* WINDS...West-northwest 15 to 25 mph with frequent gusts of 30 to
  35 mph. Occasional gusts up to 40 mph are possible. 

* IMPACTS...Difficult driving conditions for high profile
  vehicles, especially on north-south and elevated roadways. 
  Loose lawn objects along with trash cans will be blown around.

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.

&&

$$

13
3 follow-up statements
823 
WWUS74 KLCH 050248
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
948 PM CDT Tue Apr 4 2017

...STRONG AND GUSTY WINDS EXPECTED ON WEDNESDAY...

.A cold front is forecast to sweep through the area Wednesday
morning. A tight pressure gradient behind the front coupled with
strong winds within the lowest few thousand feet above ground
level will result in a period of sustained winds around 20 mph
with frequent gusts of 30 to 35 mph. Occasional gusts near 40 mph
are possible. Winds are expected to subside by early evening.

LAZ028-029-031>033-041>045-052>055-073-074-TXZ215-216-051300-
/O.CON.KLCH.WI.Y.0007.170405T1600Z-170405T2300Z/
Rapides-Avoyelles-Allen-Evangeline-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 Alexandria, Pineville, Effie, Marksville,
Bunkie, Cottonport, Simmesport, Mansura, Oakdale, Kinder, 
Ville Platte, Beaver, St. Landry, Mamou, Reddell, Lawtell, 
Opelousas, Eunice, Lake Charles, Sulphur, Hathaway, Jennings, 
Topsy, Roanoke, Welsh, Lake Arthur, Crowley, Rayne, Branch, 
Church Point, Richard, Lafayette, Breaux Bridge, Cade, 
St. Martinville, Abbeville, Intracoastal City, Meaux, 
Forked Island, Kaplan, New Iberia, Morgan City, Burns Point, 
Centerville, Franklin, Patterson, Berwick, Bayou Vista, 
Stephensville, Hackberry, Johnson Bayou, Grand Lake, Klondike, 
Cameron, Creole, Grand Chenier, Rutherford Beach, Beaumont, 
Sabine Pass, Sea Rim State Park, Orange, Vidor, and Bridge City
948 PM CDT Tue Apr 4 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM TO 6 PM CDT
WEDNESDAY...

* TIMING...Late Wednesday morning through earl Wednesday evening.

* WINDS...West-northwest 15 to 25 mph with frequent gusts of 30 
  to 35 mph. Occasional gusts up to 40 mph are possible. 

* IMPACTS...Difficult driving conditions for high profile 
  vehicles, especially on north-south and elevated roadways. 
  Loose lawn objects along with trash cans will be blown around. 

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.

&&

$$
318 
WWUS74 KLCH 050953
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
453 AM CDT Wed Apr 5 2017

...STRONG AND GUSTY WINDS TODAY...

.A cold front will sweep through the area this morning. A tight 
pressure gradient behind the front will produce sustained winds 
around 20 mph with frequent gusts of 30 to 35 mph. Occasional 
gusts near 40 mph will be possible. Winds are expected to subside
by early evening hours.

LAZ028-029-031>033-041>045-052>055-073-074-TXZ215-216-052300-
/O.CON.KLCH.WI.Y.0007.170405T1600Z-170405T2300Z/
Rapides-Avoyelles-Allen-Evangeline-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 Alexandria, Pineville, Effie, Marksville,
Bunkie, Cottonport, Simmesport, Mansura, Oakdale, Kinder, 
Ville Platte, Beaver, St. Landry, Mamou, Reddell, Lawtell, 
Opelousas, Eunice, Lake Charles, Sulphur, Hathaway, Jennings, 
Topsy, Roanoke, Welsh, Lake Arthur, Crowley, Rayne, Branch, 
Church Point, Richard, Lafayette, Breaux Bridge, Cade, 
St. Martinville, Abbeville, Intracoastal City, Meaux, 
Forked Island, Kaplan, New Iberia, Morgan City, Burns Point, 
Centerville, Franklin, Patterson, Berwick, Bayou Vista, 
Stephensville, Hackberry, Johnson Bayou, Grand Lake, Klondike, 
Cameron, Creole, Grand Chenier, Rutherford Beach, Beaumont, 
Sabine Pass, Sea Rim State Park, Orange, Vidor, and Bridge City
453 AM CDT Wed Apr 5 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
6 PM CDT THIS EVENING...

* TIMING...Late Wednesday morning through early Wednesday 
  evening.

* WINDS...West-northwest 15 to 25 mph with frequent gusts of 30 
  to 35 mph. Occasional gusts up to 40 mph are possible. 

* IMPACTS...Difficult driving conditions for high profile 
  vehicles, especially on north-south and elevated roadways. 
  Loose lawn objects along with trash cans will be blown around. 

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.

&&

$$

K. Kuyper
503 
WWUS74 KLCH 052327
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
627 PM CDT Wed Apr 5 2017

...WIND ADVISORY HAS EXPIRED...

LAZ028-029-031>033-041>045-052>055-073-074-TXZ215-216-060030-
/O.EXP.KLCH.WI.Y.0007.000000T0000Z-170405T2300Z/
Rapides-Avoyelles-Allen-Evangeline-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 Alexandria, Pineville, Effie, Marksville,
Bunkie, Cottonport, Simmesport, Mansura, Oakdale, Kinder, 
Ville Platte, Beaver, St. Landry, Mamou, Reddell, Lawtell, 
Opelousas, Eunice, Lake Charles, Sulphur, Hathaway, Jennings, 
Topsy, Roanoke, Welsh, Lake Arthur, Crowley, Rayne, Branch, 
Church Point, Richard, Lafayette, Breaux Bridge, Cade, 
St. Martinville, Abbeville, Intracoastal City, Meaux, 
Forked Island, Kaplan, New Iberia, Morgan City, Burns Point, 
Centerville, Franklin, Patterson, Berwick, Bayou Vista, 
Stephensville, Hackberry, Johnson Bayou, Grand Lake, Klondike, 
Cameron, Creole, Grand Chenier, Rutherford Beach, Beaumont, 
Sabine Pass, Sea Rim State Park, Orange, Vidor, and Bridge City
627 PM CDT Wed Apr 5 2017

...WIND ADVISORY HAS EXPIRED...

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 3:47 PM CDTSmall Craft AdvisoryLCH42 hr

Nearby

Wind Advisories in Louisiana, 2017Wind Advisories in Texas, 2017Every wind advisory in 2017

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.