Welcome to the new WMO Community Platform!

We are currently migrating all the content from the legacy system and you might find incomplete pages. The legacy system is still available here.

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Global Cryosphere Watch

The World Meteorological Organization's Global Cryosphere Watch (GCW)1 is an international mechanism for supporting all key cryospheric in-situ and remote sensing observations. To meet the needs of WMO Members and partners in delivering services to users, the media, public, decision and policy makers, GCW provides authoritative, clear, and useable data, information, and analyses on the past, current and future state of the cryosphere. GCW includes observation, monitoring, assessment, product development, prediction, and research. It provides the framework for reliable, comprehensive, sustained observing of the cryosphere through a coordinated and integrated approach on national to global scales to deliver quality-assured global and regional products and services. GCW organizes analyses and assessments of the cryosphere to support science, decision-making and environmental policy. To meet these objectives, GCW implementation encompasses:

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