1. NASA Global Modeling and Assimilation Office, Goddard Space Flight Center, Greenbelt, Maryland
2. Earth System Science Interdisciplinary Center, University of Maryland, College Park, College Park, and NASA Global Modeling and Assimilation Office, Goddard Space Flight Center, Greenbelt, Maryland
3. NASA Marshall Space Flight Center, Huntsville, Alabama
4. Earth Systems Science Interdisciplinary Center, University of Maryland, College Park, College Park, and Goddard Space Flight Center, Greenbelt, Maryland