More than 40 million people were under blizzard warnings along 700 miles of the East Coast from Maryland to Maine.

A massive snowstorm is pummeling the northeastern United States, forcing millions of people to stay home amid strong wind and blizzard warnings, transportation shutdowns, and school and business closures.

Upwards of 2 feet of snow has already fallen across parts of the Northeast with more on the way as the winter storm rages on.

As on Monday afternoon, there have been 250 delays into or out of the Atlanta airport and over 230 cancellations due to freezing weather up north and civil unrest down south.

A strong winter storm in the Northeast is impacting airports across the country on Monday, with flight cancellations coinciding with confusion over TSA PreCheck and Global Entry operations over the

Several flights from Cleveland Hopkins International Airport to New York, Philadelphia, Baltimore and Washington, D.C., were canceled as a major nor'easter brought heavy snow and high winds.

Photos of cities in Connecticut, New York, New Jersey and Massachusetts as they cope with a powerful winter storm.

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