A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

The amount of snow the Gulf Coast States received makes this weather system the worst winter storm in over 120 years. Before ...

Part of Mississippi under extreme cold warning after winter storm dropped snow across the Gulf Coast. When will temperatures ...

Extreme cold and snow smacked the Gulf Coast states this week, but the polar vortex may not be to blame.

Scientists are scrambling to understand how climate change may be interfering with the winds that carry our weather, with ...

Parts of the Gulf Coast measured a foot of snow on Tuesday. For many cities the totals obliterate long-standing snowfall ...

Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit ...

We start the following work week with a polar vortex. This will bring in unseasonably cold air to the region and wind chill ...

WASHINGTON — Get ready for extreme cold weather in D.C. and most of the U.S. over the next few days. The polar vortex has ...

This blast of cold weather is due to activity of the polar vortex.