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

The atmosphere is a complicated place. Warm temperatures in one spot can contribute to brutally cold storms somewhere else.

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 ...

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

Something unusual may be brewing in the stratosphere, and meteorologists say it could change the course of the winter forecast. The atmosphere is at a "critical juncture," and what happens in November ...