This Summer's Great Arctic Cyclone Was ‘Unprecedented', Study Says

12/27/2012 05:22 pm ET
  • Climate Central

A study published in Geophysical Research Letters looks at no fewer than 19,625 Arctic storms and concludes that in terms of size, duration and several other of what the authors call “key cyclone properties,” the Great Cyclone was the most extreme summer storm, and the 13th most powerful storm -- summer or winter -- since modern satellite observations began in 1979.

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