Gerald Meehl¹, Aixue Hu², Susan C Bates¹, Nan A Rosenbloom³, Gokhan Danabasoglu¹, Frederic S Castruccio¹, Julie Arblaster⁴, Matthew H England⁵, Shang-Ping Xie⁶ and Shayne McGregor⁷, (1)National Center for Atmospheric Research, Boulder, CO, United States, (2)NCAR, Boulder, CO, United States, (3)NCAR/CGD, Boulder, CO, United States, (4)Bureau of Meteorology, Melbourne, Australia, (5)Univ New South Wales, Sydney, Australia, (6)Scripps Institution of Oceanography, La Jolla, CA, United States, (7)University of New South Wales, Sydney, NSW, Australia