Heavy snow and frigid Arctic blast put 70 million across the U.S. under winter storm warnings
A combination of frigid air with a low pressure system over the Gulf are behind the storm, which could bring heavy snow just ...
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Prolonged polar vortex has much of US preparing for life-threatening cold, pipe-bursting temperatures
A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar ...