Alert archive / Louisiana / Wind Advisories in 2018

Wind Advisory 13, NWS Lake Charles, LA

December 14, 2018Cameron Parish, Louisiana

NWS Lake Charles, LA issued this wind advisory at Dec 14, 2018, 3:47 AM CST for Cameron Parish, Louisiana. It took effect at Dec 14, 2018, 11:00 AM CST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Dec 14, 2018, 3:47 AM CST (09:47 UTC)
In effect from
Dec 14, 2018, 11:00 AM CST
Expired
Dec 14, 2018, 6:00 PM CST
In force
7 hr
Issued by
NWS Lake Charles, LA

County Cameron Parish, LA

The radar

The Lake Charles radar (KLCH), 31 km from the middle of the area, began a volume at 09:49 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, 9.8 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 00:00Z on 2018-12-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 277 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 2018-12-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.1939587897117Sfc1 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
277 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
934 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

732 
WWUS74 KLCH 140947
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
347 AM CST Fri Dec 14 2018

...WINDY CONDITIONS EXPECTED NEAR THE COAST...

.A deep surface low will move across northern Louisiana today. The
pressure gradient associated with this system will tighten along
coastal areas allowing for very breezy and gusty west winds,
mainly during the afternoon hours. Winds will decrease by sunset
as the low begins to move away from the area.

LAZ052>054-073-074-TXZ215-142215-
/O.NEW.KLCH.WI.Y.0013.181214T1700Z-181215T0000Z/
Vermilion-Iberia-St. Mary-West Cameron-East Cameron-Jefferson-
Including the cities of 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, 
and Sea Rim State Park
347 AM CST Fri Dec 14 2018

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

The National Weather Service in Lake Charles has issued a Wind
Advisory, which is in effect from 11 AM this morning to 6 PM CST
this evening. 

* TIMING...Late morning into the afternoon.

* WINDS...Sustained west winds 20 to 25 mph with occasional gusts
  over 30 mph.

* IMPACTS...Loose objects outside may below away. Be sure to
  secure any trash cans, tents, canopies, patio furniture, bouncy
  houses, and high-profile cranes. High profile vehicles on
  southwest to northwest or south to north roads, especially
  elevated surfaces, may experience strong cross winds. 

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
199 
WWUS74 KLCH 142044
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
244 PM CST Fri Dec 14 2018

...WINDY CONDITIONS EXPECTED NEAR THE COAST...

.Low pressure at the surface and aloft will move across Louisiana 
and Mississippi this afternoon and overnight. Strong west to northwest
flow will continue this afternoon. Winds will diminish by sunset 
as the low begins to move away from the area.

LAZ052>054-073-074-TXZ215-150000-
/O.CON.KLCH.WI.Y.0013.000000T0000Z-181215T0000Z/
Vermilion-Iberia-St. Mary-West Cameron-East Cameron-Jefferson-
Including the cities of 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, 
and Sea Rim State Park
244 PM CST Fri Dec 14 2018

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

* TIMING...This afternoon through 6 PM.

* WINDS...Sustained west winds 20 to 25 mph with occasional 
  gusts over 30 mph. 

* IMPACTS...Loose objects outside may below away. Be sure to 
  secure any trash cans, tents, canopies, patio furniture, 
  bouncy houses, and high-profile cranes. High profile vehicles 
  on southwest to northwest or south to north roads, especially 
  elevated surfaces, may experience strong cross winds. 

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 13, 7:38 PM CSTRiver Flood WarningLCHJasper, Tyler7 days
Dec 14, 1:23 PM CSTRiver Flood WarningLCHHardin, Jasper9 days

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.