This insights note examines how success in Early Warning Systems (EWS) is commonly defined and why prevailing metrics often fail to reflect community realities. Drawing on a multi-stakeholder workshop with community organisations, innovators, and funders, it highlights gaps between technical performance and lived experience. The report argues for re-centering EWS success around how warnings are understood, trusted, and acted upon, and invites the adaptation ecosystem to expand what counts as valid evidence of success by foregrounding community perspectives.

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