Precipitation-Virtual Constellation Committee on Earth Observation Satellites Precipitation-Virtual Constellation Co-chairs: Gail Skofronick-Jackson (NASA) and Riko Oki (JAXA) CEOS 2019 SIT Technical Workshop Session 5: Reports from Virtual Constellations: Topic 5.5 Fairbanks, Alaska, USA 11 – 12 September 2019

Background Information Status/Only newly updated listed Report: Status of P-VC Work Plan One P-VC CEOS 2018-2020 Work Plan Status action item has been completed in the last quarter: The next P-VC meeting will be held at the NASA Precipitation Measurements Science Team meeting 4 November 2019. There are no known P-VC items that need to be taken to Plenary. The Work Plan will be updated on the deliverables.ceos.org CEOS 2018-2020 Work Plan Item Est. Date Background Information Status/Only newly updated listed VC-17: Support to ECV precipitation parameters Q4 2018 Precipitation ECV support: Provide the CEOS Response to GCOS Action A-8; ensure continuity of satellite precipitation products through five deliverables. 2018-1: Reprocessing complete except for combined TRMM products. Completion expected end of October 2018. Delayed until Summer 2019 Completed August 16, 2019: IMERG for TRMM is available back to 2000. 2018-3: Complete Experimental production demonstrated. Operational production planned in Q4. 2018-5: Complete MetOp-C in launch campaign scheduled for November 6 launch.

CEOS operations in the global community Precipitation is a key Earth system component and is cross-cutting to several VCs and WGs including, for example: Atmospheric Composition-VC; Disasters WG; Agriculture WG; and Freshwater activities. Because precipitation is a global variable and linked to many Earth systems, P-VC encourages discussions among the various VCs, WGs, Ad Hoc Teams, etc. Other groups, mainly CGMS, also have a focus on precipitation, specifically the International Precipitation Working Group (IPWG) During the CEOS P-VC meeting in November we are inviting relevant IPWG co-chairs (past and present) to discuss potential synergies, recommendations, and joint activities. P-VC is keeping aware of potential future precipitation observations such as NASA’s Decadal Survey’s Aerosols, Cloud, Convection and Precipitation (ACCP) Designated Observable

Contributions to GEO SDG Target 15.3: “By 2030, combat desertification, restore degraded land and soil, including land affected by desertification, drought and floods, and strive to achieve a land- degradation neutral world” P-VC data can help with identifying drought and flood land areas, as can other elements within the WGDisasters, LSI-VC, others

Key Datasets for Science and Society Multi-satellite Merged Products: IMERG (NASA) & GSMaP (JAXA) IMERG rainfall accumulations from Hurricane Dorian Check out full article and updates of Hurricane Dorian at https://blogs.nasa.gov/hurricanes/tag/dorian-2019/

Precipitation-VC Questions?