Powerful cross-country winter storm, freezing cold from Polar Vortex to slam I-95 corridor this weekend

A winter storm is making its way toward the northeastern section of the I-95 corridor, where millions are expected to see first 'measurable' snow of season.

First big snow storm to hit US as polar vortex sends coldest air yet

A long-awaited blast of cold air, courtesy of the polar vortex, will overtake much of the US, but the forecast says the low temperatures won't last.
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