Heavy Rain and Mountain Snow For the West Coast; Lake Effect Snow in the Great Lakes

A series of Pacific storms will deliver multiple rounds of heavy rain and mountain snow Wednesday into the Thanksgiving holiday weekend. There is an elevated concern for flash flooding, mudslides and debris flows near wildfire burn scars in California. A weak storm system will cross the Great Lakes Wednesday with accumulating Lake Effect snow.
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Hazardous Weather Conditions

Last Update: 304 PM CST Tue Nov 20 2018

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Mobile, AL Local Forecast Office

10NM SSW Gulf Shores AL

Marine Zone Forecast


...SMALL CRAFT SHOULD EXERCISE CAUTION...
Synopsis: A broad surface ridge of high pressure over the south central plains states will shift east and become reinforced from the north central gulf states to the mid Atlantic region through the Thursday. A moderate to occasional strong northerly wind flow will persist over the marine area through early Thursday then become east and build later in the week in response to a developing area of low pressure and surface cold front approaching from the west.

Tonight
North winds 13 to 18 knots becoming northeast. Seas 1 to 2 feet. Dominant wave period 4 seconds.
Wednesday
Northeast winds 10 to 15 knots becoming north. Seas 1 to 2 feet. Dominant wave period 4 seconds.
Wednesday Night
North winds 10 to 15 knots becoming northeast 13 to 18 knots. Seas 2 to 3 feet. Dominant wave period 4 seconds.
Thursday
Northeast winds 10 to 15 knots diminishing to 8 to 13 knots. Seas 2 to 3 feet. Dominant wave period 4 seconds.
Thursday Night
East winds 10 to 15 knots increasing to 13 to 18 knots. Seas 2 to 4 feet. Dominant wave period 4 seconds.
Friday
East winds 13 to 18 knots becoming southeast 15 to 20 knots. Seas 2 to 4 feet. Dominant wave period 6 seconds. Slight chance of showers in the morning, then chance of showers and slight chance of thunderstorms in the afternoon.
Friday Night
South winds 18 to 23 knots. Seas 4 to 6 feet. dominant wave period 6 seconds. Showers and slight chance of thunderstorms.
Saturday
Northwest winds 15 to 20 knots. Seas 3 to 5 feet. dominant wave period 6 seconds. Slight chance of showers.
Saturday Night
Southwest winds 5 to 10 knots. Seas 1 to 3 feet.
Sunday
South winds 15 to 20 knots. Seas 3 to 5 feet. Chance of showers and slight chance of thunderstorms.
Sunday Night
West winds 20 to 25 knots. Seas 5 to 7 feet. Slight chance of showers.
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ABOUT THIS FORECAST

Last Update: 304 PM CST Tue Nov 20 2018
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