1. Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA 92093
2. Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, Frankfurt, 60438, Germany
3. Department of Atmospheric Sciences, University of Wyoming, Laramie, WY 82071
4. Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL 33149
5. Cooperative Programs for the Advancement of Earth System Science, University Corporation for Atmospheric Research, Boulder, CO 80307