David Smeed¹, Eleanor Frajka-Williams¹, William E Johns², Molly O'Neil Baringer³, Ben I Moat¹, Darren Rayner¹, Denis Volkov⁴ and Harry L Bryden⁵, (1)National Oceanography Centre, Southampton, United Kingdom, (2)Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, United States, (3)NOAA/AOML, Miami, FL, United States, (4)Cooperative Institute for Marine and Atmospheric Studies, University of Miami, Miami, FL, United States, (5)University of Southampton, United Kingdom