Icy conditions have forced airports in four major central European cities to close, causing widespread travel disruption.
Morning Overview on MSN
Ghostly ice swirls appear off Chicago in brutal polar vortex from space
From hundreds of miles above Earth, the brutal polar vortex that gripped the Great Lakes turned into something strangely ...
A fierce Arctic blast of bitterly cold air is poised to overtake much of the central, eastern and southern U.S. over the next ...
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