Antarctica’s polar vortex could be about to split in two for the first time in more than 20 years after a series of sudden spikes in stratospheric temperatures. If that happens, it could lead to ...

The Antarctic ozone hole usually starts forming in early August, but rare warming events and a strangely elongated polar vortex this year may have delayed its arrival. When you purchase through ...

The vortex is constantly spinning in a counter-clockwise direction around the North Pole. Its counterpart in the southern hemisphere is the Antarctic polar vortex. During the summer months in the ...

Still, the Antarctic temperature anomaly is the largest ... air and low pressure spinning around each pole, known as the polar vortex. The vortex is typically strong and stable during winter ...

Typically, westerly winds circulate around the South Pole during winter, moving at speeds of around 300 kilometres per hour. This flow forms what is known as the polar vortex. However, disruptions in ...

On Wednesday, Chicago will be colder than parts of Antarctica, Alaska and the North Pole. The Windy City's "high" temperature on Wednesday should be around 10 below zero, while the overnight low ...

It’s the "Bleak Midwinter" in the Northern Hemisphere – so, in case you’ve been living under a well-insulated rock, cold weather and snowfalls are hardly unexpected in many parts of the world.

Add articles to your saved list and come back to them any time. High above Antarctica, a polar vortex swirls. When it’s in robust shape, its icy winds swirl in a circular pattern, keeping a ring ...

“These events never happen over the Antarctic,” says Aditi Sheshadri, an atmospheric scientist at Stanford University. And the absence of these polar vortex disturbances in the Southern ...

A strong polar vortex is characterized by powerful, circular winds and extremely cold temperatures — conditions that caused a hole bigger than North America to open over Antarctica last year.