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

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

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 ...

A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 ...

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 ...

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