The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...

Europe may be in for another cold blast like the one that surprised forecasters and sent gas prices soaring last week, with the potential weakening of winds that keep frigid air confined to the Arctic ...

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

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

South Carolina Sen. Lindsey Graham is kicking off his pursuit of a fifth term with his home state’s top Republicans chairing ...

After weeks of bitter subzero temperatures, the Polar Vortex loosens its grip on Upstate New York. Far more tenacious and ...

January has produced some amazing and unbelievable weather patterns across the U.S. The lower elevations of North Idaho continue to struggle for snow as only 8.4 inches have been measured at Cliff’s ...

"There are many things that can change the strength of the polar vortex," Butler says. Sea ice is one of them – some models suggest melting sea ice may have a weakening effect on the vortex.