Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

Judah Cohen, director of seasonal forecasting at Verisk Atmospheric and Environmental Research, has been studying the polar vortex for years. He’s my go-to meteorologist when the polar vortex ...

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.

Polar Vortex forecast from March 6 to March 20, 2025. (source: Judah Cohen, AER) Judah Cohen. The stratosphere actually warms an incredible amount in a short time during these SSW’s.

"I don't think winter's just dead and buried," Dr. Judah Cohen, Director of Seasonal Forecasting at Lexington-based Verisk/AER, said. Sign up for our Newsletters.

The study published by Cohen and his co-authors suggested warming Arctic temperatures have been disrupting the polar vortex more often since 1990 and sending more frequent cold blasts into the U.S.

This will be the 10th time this winter that the polar vortex — which keeps the coldest of Arctic air penned in at the top of the world — stretches like a rubber band to send some of that big chill ...

Cohen told USA TODAY. "And my short answer is maybe. Often these stretched polar vortex events repeat themselves with time and in rare winters this can persist for the entire winter.

When you monkey around with Earth's climate, things are going to get weird. At least, that's how Judah Cohen summarized the winter storm that blasted the South last week.

The brutal weather may be spurred in part by a fast-warming Arctic, a reminder that climate change gooses weather extremes, said Judah Cohen, seasonal forecast director at the private firm ...

One expert even offered some optimism for the big cities of the Northeast: "I know many readers are wondering if they will have a white Christmas," said meteorologist Judah Cohen of Atmospheric ...

Very cold weather is coming. US about to get 10th and chilliest polar vortex this winter Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged ...