winds in northern plains expected to drop wind chills to 50 below zero

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A dozen states are under emergency status as millions ready for 'crippling' ice storm

 Gusty winds are expected to drop wind chills below zero, with minus 50 degrees Fahrenheit possible in the northern and central Plains. Severe to catastrophic ice accumulation is possible and could lead to prolonged power outages, worsen the impacts of the cold weather and create hazardous travel conditions.

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Also 1700 Flights have been cancelled across the whole ice and snow area of 172 million people so far.