The National Weather Service has upgraded a blizzard watch to a blizzard warning for the central New Jersey coast all the way to the Canadian border, including Boston and New York City.
Mayor Bill de Blasio warns New Yorkers to “prepare for something worse” than what they have seen before. “We are facing most likely one of the largest snowstorms in the history of this city.”
Twenty to 30 inches of snow is possible in some areas with winds gusting 55 to 65 mph. The National Weather Service says whiteout conditions will make travel extremely dangerous.
Get complete coverage of breaking news on CNN TV, CNN.com and CNN Mobile.