Hundreds of flights canceled as ‘very active’ winter weather sweeps across US

Thousands were without power as cold snap spreads across country, promising bone-chilling caucuses in Iowa

The National Weather Service posted on social media on Friday that a very active weather pattern" across the nation had prompted some kind of weather warning or advisory in every US state.

Airlines in the US canceled more than 1,600 flights on Friday after a massive winter storm knocked out power and affected businesses in 12 states ahead of a likely brutal freeze over the weekend.