Big Chill in last Two Weeks
The major growth in ice extent came in the Russian basins (right side). The image above shows massive gains in ice extent in East Siberian and Laptev seas. East Siberian added 460k km2 for a total of 895, or 82% of last March maximum. Laptev was mostly open water in September, but added 600k km2 in the last two weeks for a total of 700k km2 or 78% of last March maximum. With the Canadian Arctic on the left already frozen over, the gains were smaller, limited to northern Hudson Bay (top left) and Baffin Bay filling in from the north.
The graph shows MASIE reporting ice extents totaling 8.2M km2 yesterday, 400k km2 below the 11 year average (2007 to 2017 inclusive). Note how 2018 started October on average, then went fairly flat the first week or so, falling 900k km2 below average. Recent…
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