Alert archive / Louisiana / Wind Advisories in 2017

Wind Advisory 8, NWS Lake Charles, LA

April 26, 201710 parishes in Louisiana

NWS Lake Charles, LA issued this wind advisory at Apr 26, 2017, 10:30 AM CDT for 10 parishes in Louisiana. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 26, 2017, 10:30 AM CDT (15:30 UTC)
Expired
Apr 26, 2017, 7:00 PM CDT
In force
9 hr
Issued by
NWS Lake Charles, LA

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

The radar

The Ft Polk radar (KPOE), 74 km from the middle of the area, began a volume at 15:33 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, 3.5 hours before the alert went out and 86 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 2017-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1102 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 12:00Z on 2017-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.193958Sfc1 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
1102 J/kg
Mixed-layer CIN
-345 J/kg
Mixed-layer LCL
693 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

629 
WWUS74 KLCH 261530
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
1030 AM CDT Wed Apr 26 2017

...Wind Advisory in Effect Today...

.South winds continue to increase and become gusty ahead of a cold
front approaching the region from the northwest. Sustained winds
of 15 to 25 mph with gusts up to 35 mph are expected. Winds will
begin to subside from west to east late this afternoon.

LAZ027>033-041>045-052>055-073-074-TXZ215-216-270000-
/O.NEW.KLCH.WI.Y.0008.170426T1530Z-170427T0000Z/
Vernon-Rapides-Avoyelles-Beauregard-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 Fort Polk, Pickering, Leesville, Slagle, 
Alexandria, Pineville, Effie, Marksville, Bunkie, Cottonport, 
Simmesport, Mansura, Bundick Lake, De Ridder, Fields, Oretta, 
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
1030 AM CDT Wed Apr 26 2017

...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...Through early evening.

* WINDS...South at 15 to 25 mph with gusts up to 35 mph.

* IMPACTS...Difficult driving conditions for high profile
  vehicles, especially on east to west 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
2 follow-up statements
188 
WWUS74 KLCH 262039
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
339 PM CDT Wed Apr 26 2017

...Wind Advisory in Effect for Central and Southern Louisiana 
until 7 pm...

.Gusty south winds will continue to gradually diminish from west 
to east the rest of the afternoon. Occasional sustained speeds of
20 mph with frequent gusts of 25 to 30 MPH will continue for 
another few hours.

TXZ215-216-262145-
/O.CAN.KLCH.WI.Y.0008.000000T0000Z-170427T0000Z/
Jefferson-Orange-
Including the cities of Beaumont, Sabine Pass, 
Sea Rim State Park, Orange, Vidor, and Bridge City
339 PM CDT Wed Apr 26 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Lake Charles has cancelled the
Wind Advisory. 

South winds have decreased below Wind Advisory Criteria across
Southeast Texas.

$$

LAZ027>033-041>045-052>055-073-074-270000-
/O.CON.KLCH.WI.Y.0008.000000T0000Z-170427T0000Z/
Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry-
Calcasieu-Jefferson Davis-Acadia-Lafayette-Upper St. Martin-
Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron-
East Cameron-
Including the cities of Fort Polk, Pickering, Leesville, Slagle, 
Alexandria, Pineville, Effie, Marksville, Bunkie, Cottonport, 
Simmesport, Mansura, Bundick Lake, De Ridder, Fields, Oretta, 
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, and Rutherford Beach
339 PM CDT Wed Apr 26 2017

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

* TIMING...Through early evening.

* WINDS...South at 15 to 25 mph with gusts up to 30 mph.

* IMPACTS...Difficult driving conditions for high profile 
  vehicles, especially on east to west 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
526 
WWUS74 KLCH 270016
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
716 PM CDT Wed Apr 26 2017

...WIND ADVISORY HAS EXPIRED...

LAZ027>033-041>045-052>055-073-074-270130-
/O.EXP.KLCH.WI.Y.0008.000000T0000Z-170427T0000Z/
Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry-
Calcasieu-Jefferson Davis-Acadia-Lafayette-Upper St. Martin-
Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron-
East Cameron-
Including the cities of Fort Polk, Pickering, Leesville, Slagle, 
Alexandria, Pineville, Effie, Marksville, Bunkie, Cottonport, 
Simmesport, Mansura, Bundick Lake, De Ridder, Fields, Oretta, 
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, and Rutherford Beach
716 PM CDT Wed Apr 26 2017

...WIND ADVISORY HAS EXPIRED...|

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 5:57 PM CDTSevere Thunderstorm WarningLCHVernon63 min
Apr 26, 6:54 PM CDTSevere Thunderstorm WarningLCHBeauregard51 min
Apr 26, 4:58 PM CDTSevere Thunderstorm WarningLCHJasper, Tyler32 min
Apr 26, 5:25 PM CDTSevere Thunderstorm WarningLCHJasper, Newton, Tyler35 min
Apr 26, 6:34 PM CDTSevere Thunderstorm WarningLCHJasper, Newton26 min

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.