"An Arctic air mass is expected to plunge into the Central U.S. this week, with high confidence for widespread, ...
The easy answer is a deep southward dip in the polar jet stream that typically rings the globe at higher latitudes but is ...
The polar vortex’s icy grip on much of America has Arctic Greenland seeming like a toasty vacation spot by comparison.
The polar vortex is not synonymous with cold snaps, but when it slides toward the United States, the polar jet stream can ...
Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note ...
Meteorologists had predicted that parts of the U.S. would experience the 10th and coldest polar vortex event this season.
Some of the coldest temperatures are expected in Montana, and avalanche warnings have been issued in Utah, Colorado and ...
Cold air originating from the Arctic Ocean was dislodged earlier this week and spilled south across the United States. As a ...
The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a ...
The National Weather Service has issued extreme cold warnings for millions of Americans from the Canadian border to Texas.
After a winter storm brings snow, ice to several states, Mississippi will see Arctic air from the polar vortex for a few days ...
The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans.
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