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

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

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

A colossal winter storm that hit the United States on Friday is causing severe disruption and traffic chaos across the country. View on euronews

By Phil Stewart and Lewis Krauskopf WASHINGTON, Jan 24 (Reuters) - More than 4,000 flights were canceled in the U.S. on Saturday ahead of a monster winter storm that has already cut power to more than 100,

The winter storm is moving offshore but much of the eastern part of the country faces ice, bitterly cold temperatures and wind chill.

A massive winter storm headed towards the northeast United States on Sunday after sweeping across much of the country, threatening tens of millions of Americans with blackouts, transportation chaos and bone-chilling cold.

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.

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.

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

"It is rare that storms combine this much snow, ice and bitter cold over such a large area — a widespread travel-halting winter storm will stall daily life for days in large portions of the central and eastern U.S.," Evan Myers of AccuWeather said.