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 winter.

The polar vortex is coming—and raising the odds for intense winter weather. In the stratosphere over Siberia, temperatures recently jumped nearly 100 degrees Fahrenheit, shoving the polar vortex ...

A researcher expects the polar vortex to strengthen over the next two weeks. This has a big impact on our day-to-day weather here in the Great Lakes region and even the Northeast. Judah Cohen ...

A polar vortex could bring cold winds to much of the U.S. as the new year approaches—but what exactly is a polar vortex, and how could it affect the weather in 2025? Why It Matters.

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 ...

While most polar vortex forecasts are often unpredictable, Fox Weather said this round of cold is different. “This is a very highly confident forecast.

Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this weekend.

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.

The polar vortex is like a giant, swirling pool of super-cold air in the upper atmosphere over the North Pole. Imagine it like a children's spinning top.

The polar vortex primarily affects countries situated in the Northern Hemisphere’s mid to high latitudes. These regions are particularly susceptible to extreme cold weather events.

The polar vortex is an expansive area of low pressure in the stratosphere, about 10 to 30 miles above the surface, which remains constant above the Earth’s Poles. according to Climate.gov.