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 ...
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Map Reveals Alaskan 'Hotspots' of Extreme Warming
Map of areas that experienced ecosystem climate stress in the Arctic-boreal region ... data and long-term temperature records around the world to determine how vulnerable ecosystems are in ...