Weather Radar Data Requirements for Climate Monitoring - GCOS-223

World Meteorological Organization ; United Nations Environment Programme ; International Council for Science ; United Nations Educational, Scientific and Cultural Organization, Intergovernmental Oceanographic Commission (2019)

Action A24 of the GCOS Implementation Plan (GCOS-200), calls for the implementation of an archive for radar reflectivities. The Commission for Basic Systems (CBS) at its Sixteenth session (WMO-1183) endorsed the GCOS Implementation Plan and “Decides to support Members, as appropriate, in the implementation of the actions identified in the GCOS Implementation Plan”. EC-69 (WMO, 2017 - WMO, 1196) invited members “To work towards the full implementation of the Global Climate Observing System (GCOS) implementation plan.” At the 22nd Session of the GCOS/WCRP Atmospheric Observation Panel for Climate (AOPC-22, Exeter, UK, March 2017), AOPC agreed on the creation of a dedicated task-team to work on a proposal on how best to proceed on the use of radar data for climate studies. The Task Team was established jointly with the Commission of Climatology (CCl). The Executive Council in 2018 was informed that AOPC had taken the lead to explore how to use radar to compliment precipitation climatology and requested that the work be undertaken in collaboration with CCl. The report of the first meeting of the task team was made available. The Task Team has worked closely with the Commission for Instruments and Methods of Observation (CIMO) Inter-Programme Expert Team on Operational Weather Radars (IPET-OWR). This report summarizes the recommendations of the task team. Further work should be carried on in collaboration with the WMO Integrated Global Observing System (WIGOS), CIMO IPET-OWR and CCl.

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