Arctic sea ice grew at a “fairly average” rate through November, according to the US National Snow and Ice Data Center (NSIDC). Arctic sea ice extent for November averaged 10.4 million km2 which is 6 per cent or some 630,000km2 below the long run average for November over the period from 1981 to 2010…New research this year from Japanese scientists (Mori et al., 2014) provides support for the hypothesis, put forward by Jennifer Francis of Rutgers University and Steve Vavrus of the University of Wisconsin, that the warming Arctic is contributing to an increasing waviness of the jet stream with the potential for more extreme weather events, including cold outbreaks in the lower 48 U.S. and Eurasia that have been seen in recent years.
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