Progress in Joint OSSEs A new nature run and international collaboration

Michiko Masutani, Erik Andersson, Joe Terry, Oreste Reale, Juan Carlos Jusem, Lars Peter Riishojgaard, Tom Schlatter, Ad Stoffelen, Jack Woollen, Steve Lord, Zoltan Toth, Yucheng Song, Daryl Kleist, Yuanfu Xie, Nikki Prive, Emily Liu, Haibing Sun, Dave Emmitt, Steve Greco, Sid A. Wood, Gert-Jan Marseille, Ron Errico, Runhua Yang, Gail McConaughy, Dezso Devenyi, Steve Weygandt, Adrian Tompkins, Thomas Jung, Valentine Anantharaj, Chris Hill, Pat Fitzpatrick, Fuzhong Weng, Tong Zhu, Sid Boukabara NOAA/NWS/NCEP/EMC, Camp Springs, MD NASA/GSFC, Greenbelt, MD NOAA/NESDIS/ORA, Camp Springs, MD European Centre for Medium-Range Weather Forecasts (ECMWF), Reading, UK NOAA/Earth System Research Laboratory, Boulder, CO Simpson Weather Associates (SWA), Charlottesville, VA Royal Dutch Meteorological Institute (KNMI), DeBilt, Netherlands 8Mississippi State University/GRI, MS RS Information Systems (RSIS), VA Science Applications International Corporation (SAIC) $Goddard Earth Science and Technology Center, University of Maryland, Baltimore, MD QSS Group, Inc. *I. M. Systems Group, Inc. (IMSG) &Science Systems and Applications Inc (SSAI). MD @Cooperative Institute for Research in the Atmosphere (CIRA)/CSU