1. Joint Institute for the Study of the Atmosphere and OceanUniversity of Washington Seattle Washington USA
2. Now at Department of Earth SciencesDartmouth College Hanover New Hampshire USA
3. Department of Atmospheric SciencesUniversity of Washington Seattle Washington USA
4. College of Earth, Ocean, and Atmospheric SciencesOregon State University Corvallis Oregon USA
5. Cooperative Institute for Research in Environmental Sciences and Department of Atmospheric and Oceanic SciencesUniversity of Colorado Boulder Boulder Colorado USA
6. Now at NASA Goddard Institute for Space Studies New York New York USA