Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...
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 ...
An Arctic blast that began in the northern plains on Saturday spread bitter cold from the Rockies through the East Coast and ...
A blast of arctic air from Canada has brought the season's coldest weather to most of the United States. The system, known as ...
Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send ...
A series of disturbances in the atmosphere is sending the polar vortex south (again) next week with a burst of even colder ...
Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from ...
We've already fallen as low as 1° this year. Another dip in the polar vortex makes that possible for Cincinnati again next week.
In normal conditions, the polar vortex spins tightly over the Arctic, allowing the polar jet stream—which blows by beneath and south of the polar vortex—to remain fairly smooth. “If the ...