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2 products issued by NWS for: 33NM SW Morgan City LA
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Dense Fog Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Lake Charles LA
339 PM CST Mon Dec 18 2017

...DENSE MARINE FOG EXPECTED THROUGH TUESDAY MORNING...

.A very moist airmass being transported atop cool shelf waters has
allowed areas of dense sea fog to develop over the Gulf waters today.
Fog is forecast to spread inland into the coastal lakes and bays
later tonight. While this fog is likely to erode Tuesday morning, the
setup for marine fog over the Gulf waters is expected to remain
in place through and possibly beyond Tuesday morning.

GMZ430-432-435-450-452-455-470-472-475-190600-
/O.NEW.KLCH.MF.Y.0024.171218T2139Z-171219T1800Z/
Sabine Lake-Calcasieu Lake-Vermilion Bay-
Coastal waters from Cameron LA to High Island TX out 20 NM-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
Waters from  Intracoastal City to Cameron LA from 20 to 60 NM-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
339 PM CST Mon Dec 18 2017

...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CST TUESDAY...

The National Weather Service in Lake Charles has issued a Dense
Fog Advisory, which is in effect until noon CST Tuesday.

* VISIBILITY...Less than one nautical mile.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Dense Fog Advisory means visibilities will frequently be
reduced to less than one mile. Inexperienced mariners, especially
those operating smaller vessels should avoid navigating in these
conditions.

&&

$$

13



Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Lake Charles LA
456 AM CST Mon Dec 18 2017

GMZ430-432-435-450-452-455-470-472-475-191100-
Sabine Lake-Calcasieu Lake-Vermilion Bay-
Coastal waters from Cameron LA to High Island TX out 20 NM-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
Waters from  Intracoastal City to Cameron LA from 20 to 60 NM-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
456 AM CST Mon Dec 18 2017

This Hazardous Weather Outlook is for portions of Gulf of Mexico.
Areas of dense fog along the coast and into the intercoastal water
ways through the late morning hours. Look for some showers and
isolated thunderstorms during the afternoon hours. Fog will again
become dense by the evening hours into the overnight hours mixed
in with rains.

.DAY ONE...Today and Tonight

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
A cold front is expected to move through the coastal waters during
the morning hours on Wednesday with rains ending. We will get a
break for a day or so but showers and isolated thunderstorms move
back into the forecast Thursday afternoon and continue into Friday
morning ahead of this another stronger cold front.

.SPOTTER INFORMATION STATEMENT...

$$




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