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Snow To Mix And Then Back To Snow On Saturday

NEW YORK (CBS New York) -- It's the calm before the storm for parts of the Tri-State, once again. A low pressure system developing in the Gulf will travel along the Atlantic coast and arrive over our area by early Saturday morning.

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The National Weather Service has issued a Winter Weather Advisory for parts of New York and New Jersey, which will be in effect from 4 a.m. through 10 p.m.  Saturday.

"We're going to be watching tomorrow as this thing rolls up north," CBS 2 meteorologist John Elliott said.

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Snow is expected to develop during the overnight hours into Saturday and gradually change to a wintry mix of snow and freezing rain by Saturday morning. Rain will take over in the afternoon before turning into all snow by Saturday evening.

Accumulations of 1 to 4 inches of snow are possible as well as a glaze of up to a tenth of an inch of ice. Northern portions of the lower Hudson Valley will see the most amount of snowfall.

Motorists are advised to take caution on the roads, as both slippery conditions and limited visibility are expected.

Temperatures will be slightly higher Saturday, with a high of 37 and a low of 29.

The Tri-State Area is still recovering from previous storms.  Most recently, a temporary structure housing a dinosaur exhibit at the Vanderbilt Museum on Long Island collapsed under the weight of snow and ice Thursday night. There were no injuries.

FORECAST TIMELINE

Saturday - 5:00 AM
NYC: Light Mix
Other Locations: Rain south of Monmouth, LI dry, Flurries north of the City

Saturday - 8:00 AM
NYC: Moderate
Other Locations: Mix Rain south of the city, mix for N. Shore LI to Orange Co.

Saturday - 11:00 AM
NYC: Rain-Mix
Other Locations: Mix north of the city, Light rain for LI and south of city

Saturday - 2:00 PM
NYC: Rain Mix
Other Locations: Mix north of the city, Light rain for LI and south of city

Saturday - 5:00 PM
NYC: Light Rain
Other Locations: Mix for northern burbs, Light rain south and LI

Saturday - 8:00 PM
NYC: Rain Shwr
Other Locations: Rain shwrs south of Orange Co, Mix north of Orange Co.

Saturday - 11:00 PM
NYC: Light Rain
Other Locations: Snow-Mix for Sullivan and NW, rain elsewhere

Sunday - 2:00 AM
NYC: Rain-Snow
Other Locations: Snow showers north and west of the city

Sunday - 5:00 AM
NYC: Flurries
Other Locations: Flurries for entire Tri-State

POSSIBLE ACCUMULATION
City Snow Ice Description
NYC Coat-1" 0.05"
Long Island Coat-1" 0
South of NYC 0 0
North of NYC Coat-1.5" 0.1"
SUDS 1-3" 0.2"

Severe Weather Alerts:

Winter Weather Advisory in NJ - Eastern Bergen, Eastern Essex, Eastern Passaic, Eastern Union, Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex, Westerm Essex, Western Bergen, Western Passaic, Western Union

Winter Weather Advisory - Northern Westchester, Orange, Putnam, Rockland, Southern Westchester

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