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Arctic Ice Extents have more than doubled since the Sept. minimum and are now up to 10.4M km2. The last 30% of maximum will take until March, principally because several basins are frozen over and cannot add coverage. To date, Beaufort and CAA (Canadian Archipelago) are full, as are Laptev and East Siberian on the Russian side. Kara is 88% covered and the Central Arctic will add only 2% from here.
In the last nine days of November we can see Chukchi at the top adding ice up to 50% of maximum with Beaufort and East Siberian already frozen. On the left, Baffin and especially Hudson bay are now growing more strongly. On the right is Kara filling in with Barents freezing more slowly.
The graph compares extents over the first 25 days of November.
2017 has reached 10.4M km2, 2007 and 2012 nearly the…
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