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Warm Winter Events in the Arctic are Becoming More Frequent, Lasting Longer

Scientists on the N-ICE2015 campaign spot a polar bear wandering the thinning sea ice in the spring of 2015. Credit: Marcos Porcires / Norwegian Polar Institute

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A joint release between the American Geophysical Union and NASA Goddard Space Flight Center: http://news.agu.org/press-release/warm-winter-events-in-the-arctic-are-becoming-more-frequent-lasting-longer/

WASHINGTON D.C. – Arctic winter warming events – winter days when temperatures peak above minus 10 degrees Celsius – are a normal part of the Arctic climate over the ice-covered Arctic Ocean, but new research finds they are becoming more frequent and lasting longer than they did three decades ago.

new study analyzing winter air temperatures over the Arctic Ocean from 1893 to 2017 shows that since 1980, an additional six Arctic winter warming events are occurring each winter at the North Pole and these events are lasting about 12 hours longer, on average. In December 2015, scientists recorded a temperature of 2.2 degrees Celsius (36 degrees Fahrenheit) in the Central Arctic, the warmest temperature ever recorded in this region from December through March.

Read the full release on AGU’s website or the NASA release here.

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