opportunities for synergies between the observational community and modelers (reanalysis of the past 30 years is important to improve model prediction in the future).

During the final breakout group discussion session, participants noted the need for an ongoing and sustained conversation with stakeholders on what data they want, what they need, and what they can use coupled with a conversation of what forecasters might currently provide, what they might provide soon, and the associated challenges. The groups also noted the importance of changing ice conditions in the Arctic (e.g., the transition from multiyear ice to first-year ice), the need to improve observational capabilities to meet modeling needs, the issue of data continuity, and the opportunity to take advantage of new technologies and collaborations to increase our current understanding. Participants acknowledged that the Arctic is a complex, integrated system including ocean, ice, and atmospheric components and should be treated as an integrated whole.

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