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

This strong circulation is known as a polar vortex. This story was updated to fix a typo. CONTRIBUTING Anthony Robledo SOURCE NOAA, Climate.gov, NASA and Royal Meteorological SocietyThis story was ...

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.

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 ...

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

The cold temperatures are coming from a not uncommon expansion in the Polar Vortex, which are counter-clockwise rotating air ...

The polar vortex can be a powerful source of winter weather, but it's not the only cause of severe cold and snow in regions better known for warmth and sunshine. The Gulf Coast states are still ...

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 ...