Every winter, millions of people brace for news about the polar vortex - that vast, spinning mass of frigid Arctic air high ...

Michigan is experiencing frigid temperatures and heavy snow due to a dip in the jet stream, not the polar vortex. The polar vortex is a large-scale cyclone of cold air that typically stays far north ...

A French scientific team from CNRS Terre & Univers and CNRS physics has for the first time succeeded in modeling and ...

This winter’s harsh run in the East is intensifying, with some of the coldest air so far this season plunging into New York this weekend as a mass of Arctic air drops south from Canada. "A brutally ...

Michigan and the Great Lakes are bracing for another cold shot later this month — down to single digits in places — as a polar vortex split in the stratosphere nudges frigid Arctic air southward.

A polar vortex split is expected to bring frigid Arctic air to the Great Lakes and Northeast later this month. Temperatures could drop 15 to 25 degrees below normal, with single-digit lows possible in ...

A polar vortex split high in the stratosphere is expected to send frigid Arctic air toward Michigan and the Great Lakes. The event could bring colder-than-normal temperatures and late frosts to the ...