According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...
Editor's Note for Sat. Jan. 18: A polarvortex is set to impact much of the US. Click here for the latest update. A polarvortex is forecasted to blanket most of the continental United States ...