However, a deep ... North and South Poles. During the winter months and when the jet stream allows, this cold air can drop farther down into lower latitudes like in the United States.

A historic winter storm has made its way to the United States' Deep South on Tuesday. States sitting on the Gulf Coast are more accustomed to warm temperatures and tropical storms than the cold, snowy ...

A rare winter storm churned across the U.S. Gulf Coast on Tuesday, bringing heavy snow, ice and wind gusts to a region where flurries are unusual, while much of the United States remained in a deep ...

The Arctic air mass that plunged across the Deep South this week left a 1,500-kilometre stretch of U.S. area with temperatures below the freezing mark Tuesday morning. Millions of people have been ...