The Polar Vortex is expected to be impacted by a Sudden Stratosphere Warming, bringing cold air to the eastern US.
"A significant Arctic outbreak" is expected this weekend, forecasters say, bringing with it "bitterly cold temperatures." ...
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Winter Storm Gianna, Cold Blast Maps Tracker: Snow Outlook, Alerts, Temperature Forecasts And More
Track everything from current conditions, forecast timing and potential impacts from the winter storm and latest arctic blast here.
Green Matters on MSN
New weather satellite shows Earth’s chaotic atmosphere in stunning detail
New satellite launched by ESA uses Infrared Sounder instrument to form the most detailed map of Earth's atmosphere.
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