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But during the winter, it is joined by a second atmospheric phenomenon dubbed the polar vortex. This swirl of frigid air, located more than 10 miles above Earth’s surface, strengthens each year ...

A lobe of the polar vortex will arrive in the United States this weekend, bringing the lowest temperatures in years and snow and ice to the East and Deep South.

Above: A Von Karman vortex street downwind of the Canary Island ... Those eddies form in a regular pattern, first one, then the other on the downwind side of the object, and may continue to ...

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it and how does it impact our weather? The polar vortex is ...

The polar vortex is a gigantic circular upper-air weather pattern in the Arctic that envelops the North Pole. It's a normal pattern that is stronger in the winter and tends to keep the coldest ...

However, we probably won’t revisit an Arctic weather pattern like we had in January. We probably will only have a side-swipe of the polar vortex for a day or two in mid-February.

The second is to quantify swirl pattern revolution through the compressor and find out background causes of the change in compressor performance. Swirl distortion makes the leading-edge incidence ...

Am I going to be buried in snow? As its name implies, the circumpolar vortex is a counterclockwise-spinning (northern hemisphere) swirl of super-cold air in the upper atmosphere that sits atop the ...

you can thank — or blame — the polar vortex and its interaction with the jet stream. This dynamic duo plays a huge role in shaping winter weather patterns and determining whether we’ll be ...