Cold air breezes over North America as a result of two new patterns identified in the stratospheric polar vortex, countering ...

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

For starters, the Arctic polar vortex is a band of strong westerly winds that form in the stratosphere between about 10 and 30 miles above the North Pole every winter.

The polar vortex has taken on an unexpected pattern this winter - one that’s made part of the United States the most unusually cold place on the planet, at least so far this year.

Polar vortex is not a synonym for “cold snap,” according to the Polar Vortex Blog at Climate.gov, and it’s not the only weather ... a meteorologist and co-author of the Polar Vortex Blog.

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 ... Colorado, Nebraska, Missouri, Illinois, Iowa ...

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 coldest burst of Arctic air this season is coming to put an icy exclamation point on America’s winter of repeated polar vortex invasions, meteorologists warn. And it will stay frozen there ...

Polar vortex is not a synonym for “cold snap,” according to the Polar Vortex Blog at Climate.gov, and it’s not the only weather pattern to blame for blasts of cold air.

The polar vortex might be considered the jet stream’s upstairs neighbor in the wintertime. It appears in September, when a seasonal lack of sunlight begins to make it cooler inside the Arctic region ...