(CNN) — An arctic air mass has descended into the US, and a disrupted polar vortex will keep the nation in the freezer at times deeper into December. More than 200 million people will wake up to ...
(CNN) — A powerful winter storm swept across the central and eastern United States, knocking out power and snarling travel during one of the busiest stretches of the holiday season. The wide-ranging ...
(CNN) — Dangerous fire weather conditions were underway in Colorado and Wyoming’s foothills that had forecasters using the most dire language possible to characterize Friday’s fire threat. “This is a ...