This blast of frozen temperatures is tied to a polar vortex... but what is that? Air spins around the notoriously cold North and South Poles. When the air is spinning fast, it's stable, but when it is ...
The polarvortex has shifted, spilling cold air across the U.S. with below freezing temperatures and subzero wind chills. The polarvortex is a ring of cold air that typically circles the ...
This will be due to a polarvortex, an area of strong winds that encircle the Arctic and typically keeps the coldest air locked near the Pole, according to the FOX Forecast Center. This weekend ...
The coldest weather of the season to date will be due to a phenomenon called a polarvortex, an upper-level jet stream that typically circulates around both the North and South Poles, but can push ...