Brutal polar vortex cold shutters Midwest schools, breaks North Dakota record
More than 95 million people are facing gripping cold Tuesday as a polar vortex sends temperatures plunging to record levels, ...
Arctic air sweeping south over Plains shatters record temperatures in North Dakota
More than 95 million people are facing gripping cold Tuesday as a polar vortex sends temperatures plunging to record levels, ...
Polar vortex triggers extreme cold warning in central U.S. as Kentucky flooding death toll rises
Harsh cold descended on the nation's midsection Monday as a polar vortex gripped the Rockies and Northern Plains after winter storms pummeled the eastern U.S. over the weekend, killing at least 17 ...