Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

The North Pole is surrounded by a massive circular upper-air weather phenomenon in the Arctic called the polar vortex. It is ...

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...

What is polar vortex and how much snow is expected in US? A winter storm linked to polar vortex disruption has impacted ...

A snowstorm and harsh winter weather have impacted at least 177 million people across the US ...

Starting Thursday, dangerously frigid air from Siberia and the North Pole is forecast to plunge the Great Lakes region into ...

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

The meteorologists said the polar vortex system is set up due north of Michigan over Canada's Hudson Bay. It's at least ...

It exists all the time, but it usually gets stronger in winter. When the jet stream (a river of wind) bends and dips south, ...

As a winter storm approaches Western North Carolina and other regions, here's what to know about deciphering forecaster terms ...

National Weather Service Binghamton has issued a hazardous weather outlook for the area as the polar vortex approaches.

Winter has settled in for the long haul, and the next few days only reinforce that feeling. Tonight brings mostly cloudy ...