"An Arctic air mass is expected to plunge into the Central U.S. this week, with high confidence for widespread, ...
A lobe of the polar vortex, a ring of freezing air typically found near the North Pole, will once again move into the central ...
The polar vortex is not synonymous with cold snaps, but when it slides toward the United States, the polar jet stream can ...
The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a ...
Some of the coldest temperatures are expected in Montana, and avalanche warnings have been issued in Utah, Colorado and ...
The strong polar vortex which ushered in the record cold is being replaced by a warming trend. All this week high ...
The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans.
The easy answer is a deep southward dip in the polar jet stream that typically rings the globe at higher latitudes but is ...
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