It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here ...

After a winter storm brings snow, ice to several states, Mississippi will see Arctic air from the polar vortex for a few days ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region, enveloping ...

"An Arctic air mass is expected to plunge into the Central U.S. this week, with high confidence for widespread, ...

A powerful polar vortex is set to bring dangerously cold temperatures to the US, with the Northern and Central Plains facing ...

The polar vortex is area of fast-moving winds well above the Earth’s surface and the jet stream that circle the Arctic during the Northern Hemisphere’s coldest months. When it’s strong ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a ...

The arctic outbreak that has enveloped the central U.S. is hitting its peak Thursday as frigid temperatures continue to ...

A few atmospheric factors — including the polar vortex — have come together to make the US the epicenter of cold this winter. One is a weather pattern around the Arctic Circle that has emerged more ...

The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a ...