Duluth Mn Weather Alert Is A Polar Vortex Coming This Week

A pre-Thanksgiving travel nightmare is unfolding across the northern tier. Meteorologist Molly McCollum is in There's been a lot of talk about a major cold plunge around Thanksgiving and early December, and Steven explains what theĀ ... The coldest air of the season is blanketing the Midwest, Northeast, and Southeast, with dangerous low temperatures. More thanĀ ... A dangerous and potentially life-threatening stretch of cold Meteorologists warn that a disruption of the What causes large outbreaks of arctic air in the United States? It's called the