K. Emma Knowland, Universities Space Research Association Columbia, Columbia, United States; NASA Goddard Space Flight Center, Global Modeling and Assimilation Office, Greenbelt, United States, Christoph Andrea Keller, NASA Goddard Space Flight Center,, Global Modeling and Assimilation Office, Greenbelt, MD, United States; Universities Space Research Association Columbia, Columbia, MD, United States, Bryan N Duncan, NASA GSFC, Greenbelt, MD, United States and Steven Pawson, NASA Goddard Space Flight Center, Greenbelt, MD, United States