The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the ...

WASHINGTON — The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a toasty vacation spot in comparison. Even Mars has been ...

This shift is due to yet another dip in the polar vortex, which is ushering in much colder air this week. But what exactly is the polar vortex? The polar vortex is a large area of cold air and low ...

It’s a term you’ve likely heard a lot about in the news of late: the polar vortex. It might have you thinking of that one scene in “The Day After Tomorrow” of the instantly freezing ice ...

Polar Vortex Makes Much of US Colder Than Greenland, but Warmth Is Coming. Then More Cold WASHINGTON (AP) — The polar vortex hit its peak across much of America on Wednesday, with an icy grip ...