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 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 ...
Another arctic blast has sent temperatures plummeting across the United States, bringing “life-threatening” wind chills and ...
The level of cold may be record-breaking for some central ... There have been several polar vortex episodes across the United States this winter, with the mass of freezing air surging southward ...
More than 95 million people are facing gripping cold Tuesday as a polar vortex sends temperatures plunging to record levels, ...
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