Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the ...

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

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

If someone asked you, “Where can I go in the United States to escape the frigid air this January?” what would you say?

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

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

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

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...