What is the Polar Vortex?

When will the US feel the impact of the polar vortex?

The polar vortex has been disrupted. What does that bode?

Polar vortex: Deep meanders in vortex linked to global warming.

What is the Polar Vortex and why you should care

What's a Polar Vortex?

Northeast U.S. Latest to Experience Polar Vortex Temperatures - The New York Times

The Polar Vortex is strengthening. Should we be concerned? – Weather News

What is the 'polar vortex'?

What a Polar Vortex Is, and Why It Can Be Dangerous

Polar Vortex

Stratosheric Warming, Polar Vortex may release cold air

What's a polar vortex? - Vox