Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.
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Rare polar vortex split to freeze millions of Americans - chilling path of severe weather event mapped
Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...
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The puzzling and powerful polar vortex faces 'big uncertainty' as Earth warms
Miles above the Earth, two bands of fast-moving air – the polar jet stream and the stratospheric polar vortex – sometimes tango together to influence weather in the northern hemisphere.
Satellite Images Show Polar Vortex Bringing Icy Chaos to US
Americans have been warned to brace for more winter storms as Arctic winds are set to dump more ice and snow amid freezing temperatures.
Powerful polar vortex in the stratosphere brings frigid temperatures to US
A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.
Polar vortex to hit Texas with arctic air starting Monday. 4 maps show how cold it'll get
A polar vortex is bringing arctic air into the country next week. Forecast maps show when freezing temperatures will sweep through Texas.