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Dangerously cold subzero temperatures push into Midwest, Northeast as part of 'polar vortex'
Reported by: Associated Press
Reported: Monday, January 6, 2014 1:14 AM EST
A whirlpool of frigid, dense air known as a "polar vortex" is descending into much of the U.S., pummeling parts of the country with a dangerous cold that could break decades-old records.
The forecast is extreme: 32 below zero in Fargo, N.D.; minus 21 in Madison, Wis.; and 15 below zero in Minneapolis, Indianapolis and Chicago.
Wind chills could drop into the minus 50s and 60s.
It hasn't been this cold for almost two decades in many parts of the country.