A winter storm descending on the US is expected to deliver heavy snow and ice to more than 150 million people across roughly ...

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

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 ...

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

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

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

The polar vortex will push Artic air south, and a severe winter storm could follow. How cold will it get in Louisiana?

The issue arises when this vortex becomes destabilized. During sudden stratospheric warming events—sharp increases in ...

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

In the coming weeks, cold air will continue for parts of the U.S. thanks to the influence of the polar vortex.

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