1. Department of Climate and Space Science and Engineering, University of Michigan, Ann Arbor, Michigan
2. Department of Atmospheric Sciences, University Of Washington, Seattle, Washington
3. Program in Atmospheric and Oceanic Sciences, Princeton University, Princeton, New Jersey
4. NOAA/Geophysical Fluid Dynamics Laboratory, Princeton, New Jersey
5. NASA Goddard Institute for Space Studies, and Lamont-Doherty Earth Observatory, Columbia University, New York, New York