A rare and abrupt disruption in the Arctic polar vortex is expected to impact spring temperatures across Europe and parts of ...

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. A major ...

A "major disruption" has recently rocked the Arctic polar vortex, causing it to weaken and reverse direction from ...

On March 9, the polar vortex wobbled and then snapped back the other way as mighty winds, suddenly shifting from the west to the east - something that typically happens once a year - usually in the ...

Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor ...

When the polar vortex begins to wobble and allows arctic air to spill south into northern Illinois in January, we usually end ...

Now, experts have discovered that the cluster was connected to stronger winds in the Arctic stratosphere ... was an extremely strong stratospheric polar vortex (SPV) – a large spinning mass ...

The Old Farmers Almanac has predicted the last frost dates across the U.S. for 2025 -- and some in the Chicago area might be ...

The Polar Vortex's collapse will cause a major Arctic blast from central Canada into the Northeast United States, even if a progressive and dynamic weather pattern will persist across North ...

show there was an extremely strong stratospheric polar vortex (SPV) - a large spinning mass of cold air in the stratosphere around 15 miles above the Arctic - in February 2022. Scientists said the ...

Thunderstorms are rare in the cold, dry Arctic, but a surprising event in August 2019 has scientists rethinking how these ...

It's a normal pattern that's stronger in the winter and usually tends to keep the coldest weather bottled up in the Arctic. Previously this winter: Icy air has descended on the US. Is the polar vortex ...