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The polar vortex is a large area of cold air and low pressure that normally spins over the North and South Poles. During the winter months and when the jet stream allows, this cold air can drop ...
Editor's Note for Sat. Jan. 18: A polar vortex is set to impact much of the US. Click here for the latest update.. A polar vortex is forecasted to blanket most of the continental United States in ...
The polar vortex is area of fast-moving winds well above the Earth’s surface and the jet stream that circle the Arctic during the Northern Hemisphere’s coldest months.
When the polar vortex is strong, the mid-latitude Westerlies (winds at the surface level between 30° and 60° latitude from the west) increase in strength and are persistent. When the polar vortex is weak, high-pressure zones of the mid-latitudes may push poleward, moving the polar vortex, jet stream, and polar front equatorward. The jet ...
Temperatures are expected to plummet over the weekend, bringing life-threatening conditions to large stretches of the United States. The polar vortex will send temperatures below freezing for much ...
During the 2014 January polar vortex, more than 20 people across the country died from the cold as places like Georgia — which rarely see serious cold — dealt with lows under 10 degrees ...
The 2014 Bering Sea bomb cyclone at peak intensity on November 8, over the Bering Sea.This system triggered the cold wave across North America. On November 8, the northward movement of a bomb cyclone associated with Typhoon Nuri's remnants shifted the jet stream far to the north, creating an omega block pattern, which allowed a fragment of the polar vortex to descend from Arctic region into ...
The polar vortex has returned to the U.s., and frostbite-inducing temperatures are blasting millions of Americans.. According to the FOX Forecast Center, arctic air is descending and spreading ...