As the National Weather Service explains, the polar vortex is an area of low pressure and cold air that exists over both of Earth’s poles 10 to 30 miles above the surface. The term vortex is used to ...

Several days into spring, wintry weather will linger as a cold air mass settles in.AccuWeather’s long-range experts say that ...

This video is from Papillion, NE tonight where the local NWS blizzard warning in effect until Wednesday morning reads: “Blizzard conditions expected. Total snow accumulations of 3 to 6 inches ...

A polar vortex collapse is expected over the next two weeks, causing extreme winter weather and travel disruption across North America. The weather phenomenon is expected to develop in mid-March, ...

Winter weather will return just days after spring started as a cold air mass settles in.AccuWeather’s long-range experts say that a weakening polar vortex will bring unseasonably cool conditions this ...

A polar vortex is a large area of low pressure and cold air that surrounds the Earth’s poles, according to the National Weather Service. Polar vortexes typically develop in September and ...

A 'polar vortex ... weather phenomenon is expected to bring more winter weather and extremely cold temperatures by mid-March, likely leading to widespread travel disruptions for millions. The ...

The polar vortex that has dealt the most brutal winter to much of the US in recent years is about to be broken down – but not before unleashing a late-season cold and the biggest yet. The polar ...

AccuWeather meteorologist Paul Pastelok said a polar vortex could lead to a ... transition between the seasons," while the National Weather Service and the Old Farmer's Almanac have predicted ...