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

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

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

Understanding the Polar Vortex The polar vortex is like a massive whirlpool of frigid air moving around our planet's poles.

A strong polar vortex is expected to keep cold air in Canada and the northwest U.S. in February, March and April, according ...

Scientists say a warming planet may have been responsible for a winter storm that dropped 10 inches of snow on Northwest ...

The polar vortex is like a giant ... allows more arctic air and stormy patterns to develop here in the U.S. A strong one keeps arctic outbreaks at bay. Unfortunately, it is something that cannot ...

This will be due to a polar vortex, an area of strong winds that encircle the Arctic and typically keeps the coldest air locked near the Pole, according to the FOX Forecast Center. This weekend ...

The Weather Channel is predicting that a strong polar vortex will continue, but it will keep the coldest temperatures in Canada and the northwest United States. What is the Weather Channel ...