dation 2.1). This section summarizes a number of activities from which such a partnership can grow.

NOAA-NASA GPM Research and Operations Group

The need for a NOAA-NASA partnership on GPM was acknowledged in a 2002 NOAA workshop report (NOAA, 2002). Also in 2002, NOAA and NASA expressed a mutual desire to collaborate on GPM. This resulted in the formation of the NASA-NOAA GPM Ad Hoc Working Group. The group defined partnering opportunities between the two agencies in a white paper, “NOAA Cooperation with NASA on the Global Precipitation Mission” (see Appendix A). Through its involvement in this group, NOAA participated in GPM workshops and planning meetings, design reviews, and other events. In addition, NOAA contributed to a white paper that helped secure the inclusion of high-frequency channels on the GPM Microwave Imager. The ad hoc group is now known as the NOAA-NASA GPM Research and Operations Group and is developing a “capability implementation plan” for GPM based on NOAA requirements. This plan will define short-, mid-, and long-term goals for GPM from NASA and NOAA perspectives (Appendix B).

In parallel with this targeted GPM collaboration and in response to a recommendation from the National Research Council (NRC, 2003), NASA and NOAA established the Joint Working Group (JWG) on Research and Operations in 2004.2 The JWG identified global precipitation as one of five initial capabilities for which to prepare a research-to-operations plan. The NOAA-NASA GPM Research and Operations Group functions as a subgroup of the JWG to help develop the research-to-operations plan.

NASA’s Precipitation Measurement Missions Science Team

Over the past 3 years, NASA has selected NOAA scientists (four at present) to serve on the Precipitation Measurement Missions science team. Support for NOAA scientists on the science team is term-limited and up for a recompetition in fiscal year (FY) 2006 under NASA’s formal process for Research Opportunities in Space and Earth Sciences. At the time of writing, NOAA does not directly fund its employees’ participation on this science team (Ferraro, 2006). Consequently, NOAA’s involvement in the science team is not guaranteed, especially since NASA’s proposed FY 2007 budget has been cut.3


The JWG is mandated in NASA’s Reauthorization Bill (section 306) (see Appendix C).


In an effort to formalize NOAA’s contributions to GPM planning, NOAA personnel have participated in the last two exercises of the NOAA Planning, Programming, Budgeting, and Execution System. A GPM Program element has been established and possible funding vehicles (e.g., National Polar-orbiting Environmental Satellite System Data Exploitation) are being explored to help support this element.

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