It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from ...

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

An Arctic blast that began in the northern plains on Saturday spread bitter cold from the Rockies through the East Coast and ...

Another blast of Arctic air is set to sweep across the South early next ... polar air comes south sometimes where the polar ...

Perfect time to hop on a plane and go somewhere south,” FOX Weather Meteorologist Britta Merwin said. “Like, really, really far south.” ...

Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said ...

A series of disturbances in the atmosphere is sending the polar vortex south (again) next week with a burst of even colder ...

A series of cold fronts the last few weeks has kept Florida downright chilly, as another winter storm starts to take aim this ...