1. Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California, USA;
2. NASA Langley Research Center, Hampton, Virginia, USA;
3. Universities Space Research Association, Columbia, Maryland, USA;
4. NorthWest Research Associates, Redmond, Washington, USA;
5. Centre National de Recherches Météorologiques, Météo-France/CNRS, UMR 3589, Toulouse, France;
6. National Center for Atmospheric Research, Boulder, Colorado, USA;
7. Colorado State University, Fort Collins, Colorado, USA;
8. University of Colorado, Boulder, Colorado, USA