The polar vortex is a large upper-level, low-pressure area or circulation that typically resides above the Arctic Circle.
Most of Virginia is expected to receive 1-4 inches of snow on Monday, just three days after a similar snowfall covered all ...
A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the ...
Arctic wind patterns create a sort of wall around the pole that prevents frigid air from trickling southward. That wall that ...
The tail end of a snowstorm is creating freezing fog across Virginia and the state is set to experience another blast of icy ...
Polar vortex systems will bring dangerously cold weather to much of the U.S. this month. Learn how to stay safe, and which ...