NYC faces its heaviest snow of the season as a winter storm moves up the East Coast, snarling road, rail, and air traffic across the Northeast.

Central Park could get from 25 to 38 centimeters of snow with as much as 18 inches in the suburbs, said Rob Carolan, owner of Hometown Forecast Services Inc
New York City has declared an emergency and ordered non-essential vehicles off the road as of 6 a.m., according to a statement.
New Jersey has also declared an emergency. Winter storm warnings and advisories stretch from Tennessee to Maine, according to the National Weather Service. As of 8:30 a.m. in New York, 2,682 flights had been canceled in the U.S. through Tuesday, according to FlightAware, an airline tracking service.
So far this year, Central Park has received 12.6 inches of snow, including 2 inches that fell yesterday, or just about normal for winter so far, the National Weather Service said.