Researchers have released a study confirming that Arctic warming is associated with fewer extreme winters in Europe and the U.S.
January 2014 saw temperatures in the U.S. fall "several" notches. Minnesota temperature dropped as low as -37°C and even Florida experienced freezing weather on some days.
Climate experts previously credited this drop in winter temperatures to the Arctic amplification phenomenon.
Arctic has gotten warmer than any other place on Earth. Changes in air current had led to speculation that a number of regions in the North would experience severe winter in the future.
Dr. James Screen at the University of Exeter said that the warming Arctic is associated with fewer cold weather extremes in the Northern Hemisphere.
He added that climate change will likely make winters in Europe and U.S "mild," according to a University of Exeter news release.
Screen analyzed data from the last few decades for the study. He determined that the variation in winter temperatures had reduced in mid-to-high latitude Northern Hemisphere in recent decades.
"Autumn and winter days are becoming warmer on an average, and less variable from day to day," Screen said, according to a report by Planet Earth Online. "Both factors reduce the chance of extremely cold days.
"Cold days tend to occur when the wind is blowing from the north, bringing Arctic air south into the mid-latitudes. Because the Arctic air is warming so rapidly these cold days are now less cold than they were in the past," Screen added.
There is a good chance we won't see much variability in temperatures during winter in the future, according to Screen's mathematical climate modelling.
Research was published in the journal Nature Climate Change.
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