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, ...
An Arctic blast tied in part to the polar vortex is driving record frigid air south from the Northern Plains toward the Gulf ...
The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a ...
WASHINGTON—The polar vortex hit its peak across much of America on February 19, with an icy grip that made Arctic Greenland seem like a toasty vacation spot in comparison. Even Mars has been warmer ...
The arctic outbreak that has enveloped the central U.S. is hitting its peak Thursday as frigid temperatures continue to ...
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.
Old Man Winter will begin to ease his icy grip on much of the central and eastern United States in the coming days and weeks, but there will still be some periodic outbursts from the Arctic, ...
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