1. Laboratory for Atmospheres, NASA/ GSFC, Greenbelt, Maryland
2. Policy Analysis and Science Assistance Program, U.S. Geological Survey, Fort Collins, Colorado
3. Forecast Systems Laboratory, NOAA, Boulder, Colorado
4. Joint Center for Earth Systems Technology, University of Maryland, Baltimore County, Catonsville, Maryland, and NASA/GSFC, Greenbelt, Maryland
5. Science Systems and Applications, Inc. and NASA/ GSFC, Greenbelt, Maryland
6. Office of the Chief Scientist for Hydrology, U.S. Geological Survey, Reston, Virginia
7. U.S. Geological Survey, Denver, Colorado
8. EROS Data Center, U.S. Geological Survey, Sioux Falls, South Dakota
9. U.S. Geological Survey, Menlo Park, California