Deep Freeze Grips Much of US - NBC New York

    Deep Freeze Grips Much of US

    Temperatures could plummet to record lows across much of the US, as a "polar vortex" brings extremely cold air and powerful winds to much of the US. Wind Chill Warnings are in effect from Montana to Alabama. (Published Monday, Jan 6, 2014) Temperatures could plummet to record lows across much of the US, as a "polar vortex" brings extremely cold air and powerful winds to much of the US. W... See More