BISMARCK, North Dakota — More than 95 million people in the United States were facing numbing cold on Tuesday as a polar vortex sent temperatures plunging to record levels, closing schools, bursting ...

Every year, weather enthusiasts eagerly watch and wait for signs that the polar vortex, a mass of cold air spinning around the Arctic, might meander south, sending cold and snow into the lower ...

Extreme heat warnings stretched from Windsor to Timmins; humidex values climbed to the mid-40s. In Toronto, panic over ...

After a weekend of warm weather, the UK is set to be brought back down to earth. A polar vortex collapse could cause a dramatic drop in temperatures across the UK later this month, the Met Office ...

A 'polar vortex collapse' is set to plunge the United States back into the frigid weather much of the country suffered through in February.

The polar vortex is area of fast-moving winds well above the Earth’s surface and the jet stream that circle the Arctic during the Northern Hemisphere’s coldest months.

A National Weather Service map shows what is forecast to be the coldest polar vortex in the US this winter (Picture: National Weather Service) The tenth and coldest polar vortex of the season is ...

Harsh weather moved west as a polar vortex was expected to grip the Rockies and the northern Plains after winter storms pummeled the eastern U.S. over the weekend.

Polar vortex to bring frigid temperatures, snow and ice to millions of Americans About 60 million people are forecast to experience subzero temperatures. The polar vortex may also fuel yet another ...

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter of repeated polar vortex invasions, meteorologists warn. It will stay frozen there all ...

The polar vortex is coming back. After a half-month hiatus, frigid air will again surge across the United States beginning this weekend through next week, as the unusually cold blob of air dips ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point on America’s winter of repeated polar vortex invasions starting this ...