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  • Curvy Jet Stream Creates Winter Weather Extremes in North America

    Last winter was a rough one for many North Americans, with polar vortexes bringing Arctic temperatures as far south as Florida. Meanwhile, residents on the continent's west enjoyed a relatively mild winter. According to new research this weather pattern, brought on by a "curvy" jet stream, has become more pronounced in the last 4,000 years and may become more so as the climate gets warmer.
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