Polar Vortex

7 January 2014 If you’ve listened to the weather forecasters you know we’re in the grips of a polar vortex. At first that name confused me.  I know about the single massive polar vortex that spins counterclockwise in the high northern latitudes in winter, covering 620 to 1,240 square miles and reaching into the stratosphere.  … Continue reading Polar Vortex