Ethan Davis, University Corporation for Atmospheric Research, Boulder, CO, United States, Guilherme P Castelao, Scripps Institution of Oceanography, La Jolla, United States, David Hassell, University of Reading, Reading, United Kingdom, Jessica Hausman, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, Aleksandar Jelenak, HDF Group, Champaign, IL, United States, Daniel Lee, EUMETSAT, Darmstadt, Germany and Kevin O'Brien, NOAA/PMEL UW Joint Institute for the Study of the Atmosphere and Ocean, Seattle, WA, United States