Andrew F Thompson, California Institute of Technology, Physical Oceanography, Pasadena, CA, United States, Xiaozhou Ruan, Massachusetts Institute of Technology, Cambridge, United States, Kevin Speer, Geophysical Fluid Dynamics Institute, Tallahassee, FL, United States, Lena M. Schulze Chretien, Jacksonville University, Marine Science Research Institute, Jacksonville, FL, United States, Karen J. Heywood, University of East Anglia, Norwich, NR4, United Kingdom and Ria Oelerich, University of East Anglia, Norwich, United Kingdom