Arin Nelson, University of Colorado at Boulder, Atmospheric and Ocean Sciences, Boulder, CO, United States, Brian K Arbic, University of Michigan, Earth and Environmental Sciences, Ann Arbor, MI, United States, Dimitris Menemenlis, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, W Richard Peltier, Univ Toronto, Toronto, ON, Canada, Matthew H Alford, Univ Washington, Seattle, WA, United States, Nicolas Grisouard, University of Toronto, Physics, Toronto, ON, Canada, Jody M Klymak, University of Victoria, Victoria, BC, Canada and Yulin Pan, University of Michigan Ann Arbor, Ann Arbor, United States