Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

The FOX Forecast Center said a lobe of the polar vortex will dip to the south and move into the US this weekend and into next week. “These are the types of weather systems that even bring cold ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

Convection allows for cold air to move south and warm air to move north. Now back to the Polar Vortex. The Polar Vortex is that counterclockwise flow of cold air that remains in place year-round ...