This blast of cold weather is due to activity of the polar vortex.
Imagine the polar vortex as a giant, icy whirlpool far above the Earth, keeping frigid Arctic air contained near the north ...
It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it and how does it impact our weather? The polar vortex is ...
Starting this week into next, a lobe of the polar vortex will descend into the U.S. and bring with it brutally cold ...