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 blast tied in part to the polar vortex is driving record frigid air south from the Northern Plains toward the Gulf ...
"An Arctic air mass is expected to plunge into the Central U.S. this week, with high confidence for widespread, ...
The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a ...
The polar vortex might be considered the jet stream’s upstairs neighbor in the wintertime. It appears in September, when a seasonal lack of sunlight begins to make it cooler inside the Arctic ...
Meteorologists said several states would experience the tenth and coldest polar vortex event this season. Weather forces in the Arctic are combining to push the chilly air that usually stays ...
The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans.
After a winter storm brings snow, ice to several states, Mississippi will see Arctic air from the polar vortex for a few days ...
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