1. Institute for Terrestrial and Planetary Atmospheres, Marine Sciences Research Center, State University of New York, Stony Brook, NY 11794, USA.
2. Atmospheric Sciences Division, NASA Langley Research Center, Hampton, VA 23665, USA.
3. Program for Climate Model Diagnosis and Intercomparison, Lawrence Livermore National Laboratory, Livermore, CA 94550, USA.
4. Climate Monitoring and Diagnostics Laboratory, Environmental Research Laboratories-National Oceanic and Atmospheric Association, Boulder, CO 80303, USA.
5. Bureau of Meteorology, G.P.O. Box 1298K, Melbourne, 3001 Victoria, Australia
6. Lockheed Engineering and Science Company, Hampton, VA 23666, USA.
7. National Center for Atmospheric Research, Boulder, CO 80307, USA.
8. Department of Meteorology, Pennsylvania State University, University Park, PA 16802, USA.
9. European Centre for Medium-Range Weather Forecasts, Reading, Berkshire RG29AX, UK.
10. Center for Clouds, Chemistry and Climate, Scripps Institution of Oceanography, University of California at San Diego, La Jolla, CA 92126, USA.