A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to millions.

The snow is likely to fall on Sunday from the Appalachians to New England. New York City may see its largest snowfall in years.

Winter storm warnings have been issued for parts of eight New Jersey counties where 5 to 8 inches of snow is expected to fall Sunday, with up to 10 inches possible in some spots. The warnings from the National Weather Service include Hunterdon,