Why has it been so cold in Rochester? It's not just the polar vortex
The polar vortex is not synonymous with cold snaps, but when it slides toward the United States, the polar jet stream can mirror the distortion and introduce Arctic air. While this distortion is often caused by weakening of the polar vortex, that’s not the case this time.
"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 ...
FOX Forecast Center / FOX Weather The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans. According to the FOX Forecast Center ...
The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a ...
After a winter storm brings snow, ice to several states, Mississippi will see Arctic air from the polar vortex for a few days ...
Some of the coldest temperatures are expected in Montana, and avalanche warnings have been issued in Utah, Colorado and ...
The arctic outbreak that has enveloped the central U.S. is hitting its peak Thursday as frigid temperatures continue to ...
Ushering in the polar vortex is a winter storm, which was tracking from the Midwest toward the East Coast on Saturday. In ...
The sudden winter chill came thanks to the polar vortex, an area of low pressure and cold air in the Arctic near the North Pole, that has taken hold over parts of the country, meteorologists say.
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