>> Real temperatures when combined with windchill may very well fall to extraordinarily dangerous levels.>> A blast of arctic air from what meteorologists call a polar vortex brought record setting and life threatening cold to a wide swath of the United States on Tuesday. The Midwest will be the hardest hit area, with a wind chill bringing temperatures down as low as minus 50 degrees Fahrenheit in Chicago.
>> While the snow may be ending, the cold is just starting.>> Some forecasts project the freeze will break a city record set in 1985, with the coldest temperatures in a generation. Officials in Chicago said classes would be cancelled for all 360,000 students on Wednesday due to the severe weather.
The polar vortex is a massive freezing air that normally spins around the North Pole, but has made its way south into the United States.>> Relative to average, the coldest temperatures on the planet are gonna be right here in the upper Midwest.>> Video shared on Facebook shows that the surface of Lake Michigan resembling a landscape of frozen rocks.
Indianapolis' mayor warned residents to stay inside.>> That these temperatures, even ten minutes of exposure may very well be harmful.>> Half the flights out of Chicago's Midway International Airport were canceled on Tuesday according to tracking service flightaware.com. Snow is expected through Wednesday from the Great Lakes region into New England.