A massive winter storm is sweeping across the U.S., making holiday travel dangerous
In some places, temperatures dropped more than 30 degrees in an hour. Wind chills reached well below zero. Inches of snow fell. Nationwide, thousands of flights were canceled or delayed.
Updated December 22, 2022 at 1:26 PM ET
On a day when millions of Americans were expected to be traveling for the winter holidays, a massive cold weather system marched across most of the contiguous United States, bringing record-breaking cold, gusty winds and dangerous precipitation to states from Montana to Alabama.
were under some sort of winter weather warning on Thursday morning — a who's who of winter maladies from blizzards, snow squalls and
