Scientists released an update to a model that maps the ever-moving pole and has significant implications for navigation ...

Tennessee, along with most of the lower 48 states ... The polar vortex is a gigantic, circular area of cold air high up in ...

Some areas could see up to an inch of snow, especially in the mountains or in far northeast Tennessee. There is a possibility ... When a polar vortex arrives, it brings frigid winds from the north ...

Tennessee, along with most of the lower 48 ... circular area of cold air high up in the atmosphere that usually spins over the north pole. It's a normal pattern that's stronger in the winter ...