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 ...

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

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

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, ...

says the National Oceanic and Atmospheric Administration (NOAA) Is climate change affecting the polar vortex? It is believed that climate change is impacting the polar vortex by causing frequent ...

Winter is making its presence known in New York City, as the polar vortex is bringing brutally cold temperatures to the ...

says the National Oceanic and Atmospheric Administration (NOAA) It is believed that climate change is impacting the polar vortex by causing frequent disruptions, which leads to extreme cold ...

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 ...