A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe.

An April cold snap is expected to bring unusually cold temperatures to the eastern half of the US next week. The cold snap could impact new spring vegetation and lead to frost in some areas.

The polar vortex could bring a cold blast to millions across America in the second half of March, AccuWeather said in a media advisory sent to Rigzone recently. “AccuWeather long-range experts ...

STATEN ISLAND, N.Y. — Spring typically welcomes the return of blooming flowers and warming temperatures. However, this season may feel a bit different. Paul Pastelok, a senior meteorologist and ...

The Polar Vortex would be done for the summer and not return until next winter. If this was the final warming, it would be the second earliest on record according to Cohen. He says the earliest ...

A polar vortex collapse is expected over the next two weeks, potentially bringing cold air and snow to North America, according to The Guardian. It could be the final vortex collapse of the season.

Weather analysts are divided over the polar vortex’s influence on weather and what that means for the rest of this year’s winter. The polar vortex is an area of low pressure and cold air that ...

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 usually “like an aircraft carrier, it doesn’t turn around quickly and isn’t very nimble,” Cohen said. “I’ve really never seen anything like it.” ...

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.

It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here’s why it keeps happening.

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.