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 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 FOX Forecast Center reveals arctic air is descending and spreading across the Lower 48 states. FOX Forecast Center / FOX Weather The polar vortex has returned to the U.S., and frostbite ...
But where exactly is this air coming from, and how did it arrive? For starters, the Arctic polar vortex is a band of strong westerly winds that form in the stratosphere between about 10 and 30 ...
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, ...
The polar dance that caused snow to fall across the South in January has been studied for decades, but scientists still ...
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