A storm system is expected to rapidly strengthen off the coast of the mid-Atlantic and produce significant snowfall and gusty winds from the Carolinas to the Northeast.

A historic snowstorm has blanketed eastern North Carolina, creating dangerous travel conditions on roads and bridges in Carteret County. Piles of snow blown by strong winds are blocking neighborhoods, and emergency vehicles are struggling to reach some areas, according to the county’s latest update .

Charlotte sees a foot of snow while 240 million people face cold weather advisories and winter storm warnings across multiple states.

A historically fierce snow storm and bitter cold will barrel into South Carolina beginning Saturday morning and continuing into Saturday night.

Bomb cyclones are possible year-round, but they are most common along the eastern seaboard of the United States during winter and early spring.

The coastal cyclone is expected to bring moderate to heavy snow, along with high winds and possible blizzard conditions for the Carolinas on Jan. 31.

"An intense surge of arctic air behind the coastal storm is bringing below freezing temperatures and wind chills," the WPC said.

More than 28 million people across the Southeast are under winter storm watches and warnings.

A powerful nor’easter is likely to ‘bomb’ out and slam the Carolinas just days after a massive winter storm carved a 2,300-mile path through the United States and brought life-threatening ice and heavy snow to several areas.

A dangerous nor’easter, which became a bomb cyclone offshore of North Carolina on Saturday night, has buried parts of the Southeast with snow.