29 October 20093rd CEOS PC Workshop - Salt Lake City, Utah, USA 1 Update on IPWG for the CEOS PC Workshop International Precipitation Working Group Co-Chairs George J. Huffman Science Systems and Applications, Inc. and NASA Goddard Space Flight Center Greenbelt, MD USA Christian Klepp Univ. of Hamburg and Max-Planck Inst. for Meteorology Hamburg, Germany

29 October 20093rd CEOS PC Workshop - Salt Lake City, Utah, USA 2 Outline IPWG objectives Recent accomplishments IPWG actions related to CEOS PC Summary

29 October 20093rd CEOS PC Workshop - Salt Lake City, Utah, USA 3 IPWG was established under CGMS to: Promote standard operational procedures and common software for deriving precipitation estimates from satellites Establish standards for validation and independent verification of precipitation estimates Foster the exchange of data on inter-comparisons of operational precipitation estimates from satellites Stimulate increased international scientific research and development in this field Provide recommendations to national and international agencies regarding the utilization of current and future satellite instruments on both polar and geostationary platforms Encourage regular education and training activities IPWG Objectives

29 October 20093rd CEOS PC Workshop - Salt Lake City, Utah, USA 4 IPWG Objectives (cont.) We want to get better at turning this TRMM Sat-Gauge (mm/h) 00Z 01 March 2000 into this

29 October 20093rd CEOS PC Workshop - Salt Lake City, Utah, USA 5 Recent Accomplishments Maintain and update web page Membership update, promotion, and expansion Presentations at scientific forums EGU th GPM International Planning Workshop Joint GEWEX and ILEAPS Conf. Seminars at academic institutions IPWG-4 Preparation for IPWG-5 Interactions with ITWG, WGNE, GEO

29 October 20093rd CEOS PC Workshop - Salt Lake City, Utah, USA 6 IPWG Membership Update Anyone can participate! Original focus was operational agencies… Most recent workshop, about 50% research community ~30 nations are involved! North America – USA, Canada, Mexico Central America – Costa Rica Europe – Finland, France, Germany, Greece, Italy, Poland, Spain, Sweden, U.K. Asia – China, Indonesia, Japan, Nepal, S. Korea, Taiwan South America – Argentina, Brazil, Peru Africa – Nigeria, S. Africa Australia Interest from – Egypt, India, Mozambique, Russia, Turkey

29 October 20093rd CEOS PC Workshop - Salt Lake City, Utah, USA 7 Biennial IPWG Workshops IPWG-1:September 2002, INM, Madrid, Spain IPWG-2:October 2004, NRL, Monterey, US IPWG-3:October 2006, Bureau of Meteorology, Australia IPWG-4:October 2008, National Satellite Meteorological Center, Beijing, China IPWG-5:October 2010, Univ. of Hamburg and Max-Planck Inst. for Meteor., Hamburg, Germany program being developed –training activity in parallel announcement pending exact dates

29 October 20093rd CEOS PC Workshop - Salt Lake City, Utah, USA October 2008, Beijing, China National Satellite Meteorology Center, China Meteorological Agency 70 attendees from 20 countries Presentations and working group break-outs on research, applications, validation, new technologies All materials posted at ~30 papers submitted for a “special collection” in J. Appl. Meteor. and Climatol. 4th IPWG Workshop

29 October 20093rd CEOS PC Workshop - Salt Lake City, Utah, USA 9 Interactions with WGNE and GEO IPWG’s validation work is focused through the Program for the Evaluation of High Resolution Precipitation Products (PEHRPP) This includes long-term regional-scale efforts in Australia, Japan, South America, the U.S., Western Europe The Working Group on Numerical Experiments (WGNE) was invited to submit numerical model estimates for evaluation in PEHRPP and agreed Contributing Centers to date are ECMWF, JMA, Meto-France, NCEP, NRL; GMAO and BOM are expected Data are being released or not according to each Center’s policy IPWG is providing leadership for the GEO precip area CGMS recommended the IPWG Co-Chairs for this role Co-Chair George Huffman is the “point of contact” for WA-08-01d A first task plan was submitted Former Co-Chair Chris Kidd will represent IPWG at the GEO Water Cycle Integration workshop 21 November 2009, ESRIN, Frascati, Italy

29 October 20093rd CEOS PC Workshop - Salt Lake City, Utah, USA 10 IPWG Actions Relevant to CEOS PC (1/2) Facilitate activities related to CEOS PC that have gained broader IPWG support Standardization of MW radiometer calibration and inter-calibration measurements (ITWG interaction) Community radiative transfer models Community cloud resolving model data sets Common retrieval algorithms Common validation methodologies and data sets (WGNE interaction) Promote necessary actions required from space agencies via CGMS to improve satellite precipitation retrievals L0 sensor information and history Free and open data exchanges Future mission plans; can we help with precipitation requirements?

29 October 20093rd CEOS PC Workshop - Salt Lake City, Utah, USA 11 Provide forum to improve precipitation retrievals, their validation and applications Algorithm intercomparisons (e.g., PEHRPP) Standard validation template, expansion of routinely available data, and open participation to algorithm providers Promote application needs and applications Interaction with JCSDA and WGNE Develop training for and encourage new advances in current and emerging space- based precipitation work IPWG web page for algorithms, data set information, etc. Sponsor workshops and training activities Participate at relevant meetings Encourage broader international participation Define linkages between IPWG and CEOS IPWG Actions Relevant to CEOS PC (2/2)

29 October 20093rd CEOS PC Workshop - Salt Lake City, Utah, USA 12 Final Comments The IPWG strongly endorses the activities of the CEOS PC Concur with philosophy in the CEOS (PC) Work Plans and CEOS PC Implementation Plan IPWG is open to stronger linkages that enhance the success of the PC