The break in the cold weather has been pleasant for fingers, toes, and other extremities. However, it is likely that Arctic air will return this winter.
The upper-atmospheric circulation around the North Pole region, also known as the Polar Vortex, strengthened last week. The more rigorously circular wind pattern kept most of the very cold air locked in place in the Arctic last week, and we we...
January 20, 2017 - 8:13pm