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

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

The polar vortex is a large area of low pressure and cold air surrounding both of the Earth’s poles. It ALWAYS exists near ...

As snow deepens and temperatures dive, the storm is straining power grids, halting transport and creating days of disruption ...

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

In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its potential arrival in the United States over the next few weeks is cause ...

Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march across the eastern U.S.

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

A polar vortex brings bitterly cold Arctic air into southern Ontario. Here’s what it is and what you can expect.

Environment Canada has issued weather warnings for most of Canada over a 'high or moderate impact level' cold blast that is ...