1. I. M. Systems Group at NOAA/NCEP/Environmental Modeling Center, College Park, Maryland
2. Hydrological Science Laboratory, NASA Goddard Space Flight Center, Greenbelt, Maryland
3. Pacific Northwest National Laboratory, Richland, Washington
4. Earth System Science Interdisciplinary Center, University of Maryland, College Park, College Park, Maryland
5. Prescient Weather Ltd., State College, Pennsylvania
6. Department of Civil and Environmental Engineering, Princeton University, Princeton, New Jersey
7. NOAA/NCEP/Environmental Modeling Center, College Park, Maryland