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Drastic Arctic warm event stuns scientists, as record-breaking temperatures reach the North Pole

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by Andrew Freedman, Mashable, Feb 26, 2018 read full article here

study published in 2017 found that these types of warming events have been increasing in frequency and duration during winter as the Arctic continues to warm at more than twice the rate of the rest of the globe.

Arctic Temp Anomoly Feb 27 2018

The Arctic was 5.1 degrees Celsius warmer than normal on February 27, following several days of unusually hot weather. Climate Reanalyzer

“What’s exactly driving these changes is not clear, but having storm tracks move further north (i.e. the North Atlantic storm track) may be tied to the northward retreat of the ice edge,” said Julienne Stroeve, a senior research scientist at the National Snow and Ice Data Center in Boulder, Colorado, in an email.

“Thus, while having temperatures exceed freezing during winter is not uncommon, but it may be becoming more common as the climate changes and the ice edge continues to retreat.”

Stroeve said that it’s not just summer and fall sea ice showing steep declines, but that this is occurring year round now. “What it shows us too is that the winter sea ice is now also starting to respond as every winter now for the past 4 winters has been more extreme than the year before in terms of record low sea ice,” she said….

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