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

An Arctic blast tied in part to the polar vortex is driving record frigid air south from the Northern Plains toward the Gulf ...

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

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

The polar vortex's icy grip on much of America has Arctic Greenland seeming like a toasty vacation spot by comparison.

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

The polar vortex is not synonymous with cold snaps, but when it slides toward the United States, the polar jet stream can ...

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

But where exactly is this air coming from, and how did it arrive? For starters, the Arctic polar vortex is a band of strong westerly winds that form in the stratosphere between about 10 and 30 ...

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 ...

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