1. CIRES, University of Colorado Boulder, and NOAA/Physical Sciences Laboratory Boulder, Colorado;
2. NOAA/National Centers for Environmental Information, Asheville, North Carolina;
3. CISESS, North Carolina State University, Asheville, North Carolina;
4. NOAA/Geophysical Fluid Dynamics Laboratory, Princeton, New Jersey;
5. NOAA/Physical Sciences Laboratory, Boulder, Colorado;
6. NOAA/National Centers for Environmental Prediction, College Park, Maryland;
7. NOAA/National Centers for Environmental Prediction, and ESSIC, University of Maryland, College Park, College Park, Maryland