Heavy Snow & Ice Across Portions of the Plains and Midwest; Unsettled in the Pacific Northwest

Heavy snow and freezing rain will impact portions of the Plains, upper Midwest, and Great Lakes into Monday. Significant snow accumulations and gusty winds are likely in some areas. Farther to the south, rain and a few thunderstorms are expected over the Mississippi, Tennessee, and Ohio Valleys. Heavy rain & mountain snowfall will also continue from northern California into the Pacific Northwest.

Last Update: 821 AM PST Sun Jan 21 2018

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5NM ESE San Francisco CA

Marine Zone Forecast

Synopsis: PZZ500-220530- 821 AM PST Sun Jan 21 2018 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Winds will increase and become southwesterly later this morning, especially for the northern waters, ahead of an approaching weak cold front. The cold front is forecast to pass through Monday morning and winds will switch out of the north. Small Craft Advisories are in place for most coastal water zones mainly due to squared and hazardous seas over the next couple of days. A new northwest swell train arrives by this evening. $$

SE winds 5 to 10 kt, becoming SW this afternoon. A chance of rain this afternoon.
S winds 5 to 15 kt. Rain likely.
S winds 5 to 15 kt. A slight chance of rain in the morning.
Mon Night
N winds 5 to 10 kt.
N winds 5 to 10 kt.
Tue Night
NW winds 5 to 10 kt. A chance of rain after midnight.
SE winds 5 to 15 kt with gusts up to 25 kt, becoming W 10 to 15 kt. A chance of rain.
W winds up to 10 kt.
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Last Update: 821 AM PST Sun Jan 21 2018
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