A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such ...

The first of what is expected to be three December Polar vortex waves has blanketed the Philadelphia region with frigid temperatures. Many people may not realize what a Polar vortex is, and the ...

There is a sudden warming about to happen high up in the atmosphere. This warming will affect the Polar Vortex. The Polar Vortex is a fast-spinning circular motion usually located about 50,000 feet in ...