Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said ...

A rare "daughter polar vortex" is set to plunge millions of Americans into freezing temperatures as a prolonged period of ...

The cold temperatures are coming from a not uncommon expansion in the Polar Vortex, which are counter-clockwise rotating air currents that typically hang over the Arctic.

A once-in-a-generation snowstorm, tied to the polar vortex event across the Lower 48 states, was plastering the Gulf Coast with record-setting snow and ice on Tuesday.Why it matters: This region isn't ...

The polar vortex is a large area of low pressure and cold air surrounding ... What was the German vehicle attack? Suspect of New Orleans murders searched for it, FBI says IRS sending stimulus checks ...

While Utah supposedly has the greatest snow on earth, Mother Nature has been spreading the precious white fluff to brand new ...

A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of ...

NEW ORLEANS (AP) — The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption will stretch Arctic air across the top of the globe and ...

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

Burr! The weather outside is frightful. Stay warm and chic, courtesy of this roundup of brand-new winter essentials — details!

A rare winter storm has turned the South into an unlikely winter wonderland this week, giving cities like New Orleans more snow in a day than Salt Lake City has received all season.