Anna-Lena Deppenmeier, University of Liverpool, Department of Earth, Ocean and Ecological Sciences, Liverpool, United Kingdom, Frank Bryan, National Center for Atmospheric Research, Climate and Global Dynamics, Boulder, United States, William S. Kessler, NOAA/PMEL/OCRD, Seattle, United States, LuAnne Thompson, University of Washington, Oceanography, Seattle, United States and Jofia Joseph, National Center for Atmospheric Research, Boulder, United States