Officials urge Americans to stay indoors as historic winter storm creates "catastrophic" ice conditions and triggers the largest weather alert ever.

Deep snow extending from Arkansas to New England halted traffic, canceled flights and triggered wide school cancellations Monday.

Winter storm: Death toll rises as winter storm continues dumping snow across the U.S Heavy snow, sleet and freezing rain are slamming large parts of the U.S. as the dangerously cold weather causes major power outages and travel disruptions.

Reporters from across the NPR Network are covering the storm in each state — the impact and how officials are responding.

While some additional snow is expected to fall Monday, frigid conditions will be the primary concern in the coming days.

By Shivansh Tiwary Jan 26 (Reuters) - A powerful winter storm sweeping across much of the United States forced airlines to cancel thousands of flights and delayed hundreds on Monday, as freezing rain and heavy snowfall disrupted travel and snarled transportation networks.

Forecasters are expecting the storm could be the worst of the winter season.

There have been flight cancellations and delays since Friday at Fresno Yosemite International, according to the airport spokesperson.

Experts tell TIME there's a thin line between being prepared and panic buying, and other people have a lot to do with it