ABCNEWS - US weather to go nuts with blizzard, polar vortex, heat dome, atmospheric river
The United States is getting slammed by a stretch of weather extremes, from flooding rain to record heat and late-season snow
DAILYCALLER (Andrew Powell) - Polar Vortex Extending Arctic Deep Freeze For Millions In Eastern United States Through February
While a cold spell is not unprecedented, the behavior of the Polar Vortex has followed a different pattern so far