Abhishek Chatterjee, NASA Goddard Space Flight Center, GMAO, Greenbelt, MD, United States, Andrew R Jacobson, NOAA Boulder, Boulder, CO, United States, David Baker, NOAA, Boulder, United States, Sourish Basu, NOAA, ESRL/GMD, Boulder, CO, United States, Frédéric Chevallier, LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France, David Crisp, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, Sean Crowell, University of Oklahoma, Norman, OK, United States, Annmarie Eldering, NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, Liang Feng, University of Edinburgh, NCEO, Edinburgh, EH9, United Kingdom, Michael R Gunson, Jet Propulsion Lab, Pasadena, CA, United States, Junjie Liu, Jet Propulsion Laboratory, Pasadena, CA, United States, Chris O'Dell, Cooperative Institute for Research in the Atmosphere, Fort Collins, CO, United States, Lesley E Ott, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Paul I Palmer, University of Edinburgh, School of Geosciences, Edinburgh, United Kingdom, Andrew E Schuh, Colorado State University, CIRA, Fort Collins, CO, United States, Britton B Stephens, National Center for Atmospheric Research, Earth Observing Laboratory, Boulder, CO, United States, Brad Weir, NASA Goddard Space Flight Center, Global Modeling and Assimilation Office, Greenbelt, MD, United States and David Schimel, NASA Jet Propulsion Laboratory, Pasadena, CA, United States