The present table was initially discussed at the PBSG meeting in Anchorage in June 2016. Discussions continued during late fall and early winter 2016, and the new table was finally agreed upon by the group early March 2017. This status table will be updated whenever there are new information available that is considered credible and valid by the group.
Explanations for sea ice metric method here.
Press the subpopulation hyperlink and more information will appear.