Two newly identified patterns in the stratospheric polar vortex can send cold air over North America to cause extreme cold ...

These polar vortex stretches are happening more frequently as the world — and especially the Arctic — warms, a 2021 paper published in the journal Science, also co-authored by Cohen, demonstrated.

There is a sudden warming about to happen high up in the atmosphere. This warming usually affects the Polar Vortex.

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 ...

More: Powerful polar vortex in the stratosphere brings frigid temperatures to US Polar vortex to blame? Experts say the polar vortex will play a role in next week's cold snap.

Chain reaction could unleash cold polar vortex across United States through April Don't put away those coats just yet, weather forecasters tell North Americans ...

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.

Widespread, record-breaking cold temperatures are expected from now through Friday. Numerous daily records are likely to be broken across the Plains, with some locations experiencing their coldest ...

A polar vortex collapse is expected over the next two weeks, causing extreme winter weather and travel disruption across North America. The weather phenomenon is expected to develop in mid-March ...

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.

Winter, which is warming faster than any other season for much of the US, seems to be making a comeback for the first time in years; this January was the coldest in the Lower 48 since 1988.