Parts of Westchester County, N.Y., received up to 7 inches of snow, with 3 inches falling in Manhattan's Central Park, the National Weather Service said.
Gusts of up to 50 miles per hour knocked down power lines, with at least 75,000 new power outages reported in the New York area, NBC News reported.
Winds threatened to cause more damage to areas hit last week and could also drive ocean water into communities now lacking protective beachfront sand dunes, Accuweather.com said Wednesday.
Snow, and snow mixed with rain, brought delays to airports in Philadelphia and New York, it said.
The approaching storm triggered more than 880 flight cancellations at New York City's three major airports. Newark had 362 cancellations, LaGuardia 265 and Kennedy 183 cancellations, data from FlightStats said.
Airlines, just returning to normal after Hurricane Sandy caused more than 20,000 flight cancellations, reverted to policies that included waiving of cancellation and flight change fees, ABC News reported.
New Jersey Gov. Chris Christie said Wednesday emergency crews were at work building up badly eroded beach dunes, USA Today reported.
"We're doing what we need to do to prepare for this, just like we did for Hurricane Sandy," he said.
"We no longer have a dune system," Councilwoman D'Arcy Rohan Green added. "There are just piles of sand back on the beach."
The National Weather Service predicted the storm will last into Thursday, bringing up to 3 inches of wet snow to the Philadelphia area and 6-12 inches of snow to southeast New York state and New England.
New York City "is taking significant precautions in advance of the storm, including halting all construction, closing all city parks and encouraging drivers to stay off the road after 5 p.m.," Mayor Michael Bloomberg said.
He warned the latest storm will likely compound issues created by last week's superstorm, CNN said.
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