To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...

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

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

Similarly, wind chill temperatures measure how cold people and animals feel when outside, measuring the rate of heat loss ...

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

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.

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

The United States is facing a storm unlike any seen in a long time. The National Weather Service has confirmed a blast of ...

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

Each of these lobes of the Polar Vortex will bring two or three days of bitterly cold, below-normal temperatures. We aren’t just talking Michigan’s normal cold. It could be 20 degrees colder than ...

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