"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 ...
Meteorologists had predicted that parts of the U.S. would experience the 10th and coldest polar vortex event this season.
The polar vortex is not synonymous with cold snaps, but when it slides toward the United States, the polar jet stream can ...
A winter weather advisory for Columbus, Franklin County and other central Ohio counties is in effect from 8 p.m. Wednesday to ...
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 ...
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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