Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march across the eastern U.S.
The polar jet stream, which is affected by the polar vortex above it, has become quite wavy, allowing Arctic air to ...
Ben Gelber, a meteorologist for NBC4 in Columbus, Ohio, and a Pocono native, said the polar vortex is a large, circular pool ...
AccuWeather on MSN
Polar vortex to usher in much colder air to central and eastern US into end of January
Colder air is returning to the central and eastern U.S. as the polar vortex becomes more active, bringing fluctuating ...
Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.
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