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Polar vortex map reveals which states are about to freeze in Arctic air
A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map ...
Scientists have released the most detailed polar region terrain maps ever created. Credit: Polar Geospatial Center/University of Minnesota/Maxar/ National Geospatial-Intelligence Agency A team of ...
A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such ...
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