Frigid Polar Vortex Brings Subzero Tempertaures to Millions | NBC New York
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Frigid Polar Vortex Brings Subzero Tempertaures to Millions

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    NEWSLETTERS

    AP
    People are bundled up as they walk in cold weather, Sunday, Feb. 14, 2016, in the Queens borough of New York. Bitter temperatures and biting winds had much of the northeastern United States bundling up this weekend. (AP Photo/Mark Lennihan)

    Bitter temperatures flirted with record lows on Sunday as "life-threatening" conditions put millions across the country in a deep freeze for Valentine's Day, NBC News reported.

    More than 38 million people from the Plains into the Midwest and East Coast were under winter-storm warnings or advisories overnight, according to The Weather Channel.

    The coldest air mass of the winter brought the thermometer down to minus 6 degrees overnight in Minneapolis, while New Yorkers were urged to take "extreme precautions" against wind chill.

    Parts of New England will see "bitterly cold" wind-chill factors of 40 below zero, with air-surface temperatures also below zero for much of the Northeast.

    New York City could get wind-chill factor of 20 below zero while upstate New York could experience wind chill of 50 below zero.