To say there’s been a bit of discussion for the last 10 months or so about the polar vortex would be an understatement the size of the Arctic. The phrase is now a permanent part of our wintertime ...

It's already a lot to endure frigid winter conditions, but what happens when we get an unwelcome visit from an even colder spell of air like a polar vortex? "A polar vortex is simply that: a vortex ...

The polar vortex, a high-altitude ring of westerly winds that usually keeps Arctic air locked near the pole, is showing signs of unusual weakening. If that circulation falters or collapses, the result ...