As a deep winter chill begins to take over the northern half of the country, blizzard warnings were issued in three states while a new major winter storm moves across the nation. Around 60 million Americans from the Dakotas to Delaware were under winter weather alerts as of Sunday morning,

The National Weather Service issued winter storm warnings from Kansas and Missouri — where blizzard conditions are expected — to New Jersey.

The first few bands of winter weather caused travel disruptions from Denver through Kansas, creating a bit of a headache for the Kansas City Chiefs football team, whose plane got stuck on the tarmac Saturday for more than three hours due to icy conditions. What to know as snow, freezing rain and bitter cold heads through much of the US