A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...
These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...
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 polar vortex has shifted, spilling cold air across the U.S. with below freezing temperatures and subzero wind chills. The polar vortex is a ring of cold air that typically circles the ...
This will be due to a polar vortex, 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 polar vortex, an upper-level jet stream that typically circulates around both the North and South Poles, but can push ...
Imagine the polar vortex as a giant, icy whirlpool far above the Earth, keeping frigid Arctic air contained near the north ...
A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late ...