When the polar vortex stretches, North America feels the chill. New research reveals some of the stratospheric patterns ...

Understanding the Polar Vortex The polar vortex is essentially a large area of low pressure and cold air surrounding both of Earth’s poles. It constantly sits over the poles but expands in the ...

There are more ways than we knew for the stratospheric polar vortex to get disrupted, shooting cold air southwards across ...

The United States has been at the epicenter of the planet’s most unusually cold conditions early in 2025. The polar vortex is to blame.

The polar vortex is area of fast-moving winds well above the Earth’s surface and the jet stream that circle the Arctic during the Northern Hemisphere’s coldest months.

Indications are the polar vortex is going to get wound up tight in the next week. This has a weather domino effect you might not expect.

Because this is the Polar Vortex Blog, we would love to be able to tell you how the stratospheric polar vortex is doing super cool things that can explain how cold and snowy it’s been in many ...

The polar vortex is aways around - it just normally stays near the North Pole. But when it descends into our area, get ready for really cold weather.

What to know about the polar vortex set to freeze the U.S. This swirling mass of air above the Arctic can grow and bend, pushing blasts of frigid air south.