Ivenis Pita, University of Miami, Miami, United States, Shane Elipot, University of Miami, Rosenstiel School of Marine, Atmospheric, and Earth Science, Miami, United States, William E Johns, Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, United States, David Smeed, National Oceanography Center, Soton, Southampton, United Kingdom and Ben I Moat, National Oceanography Centre, Southampton, United Kingdom