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The full report and highlights are available at:

The organizers thank the groups and individuals that contributed to the 2017 Sea Ice Outlook; there were a total of 106 submissions of pan-Arctic September extent forecasts, with 33 in June, 36 in July, and 37 in August (a new record number of contributions). This year organizers collected Alaska regional forecasts (the combined Chukchi, Bering and Beaufort seas) for the second year in a row and included forecasts of the Antarctic maxima for the first time.

The post-season report was developed the SIPN Leadership Team (, led by Julienne Stroeve, and with input provided to an earlier draft of the post-season report via circulation on the SIPN mailing list (

The 2017 Sea Ice Outlook post-season report includes reviews of the 2017 Arctic conditions, the melt season, contributions to the 2017 SIO monthly reports, as well as discussions of the statistical methods and local-scale analysis of 2017 Sea Ice Outlooks. The report also includes discussion of contributions to the call for forecasts of the Antarctic maxima and discussion of the beginning of the Sea Ice Drift Forecast Experiment (SIDFEx), which is a contribution to the Year of Polar Prediction (YOPP). (

The SIO will continue under Phase 2 of the Sea Ice Prediction Network (SIPN2) project, which was recently funded by the National Science Foundation and other contributors.

Further information is available on SIPN website at:

For questions, please contact Betsy Turner-Bogren via email at .