N. Penny Holliday¹, Manfred Bersch², Bee Berx³, Leon Chafik⁴, Hjálmar Hátún⁵, William E Johns⁶, Simon A Josey⁷, Karin Margretha Husgard Larsen⁵, Marilena Oltmanns^8,9, Gilles P Reverdin¹⁰, H. Thomas Rossby¹¹, Virginie Thierry¹² and Hedinn Valdimarsson¹³, (1)National Oceanography Centre Southampton, United Kingdom, (2)University of Hamburg, Hamburg, Germany, (3)Marine Scotland Science, Aberdeen, United Kingdom, (4)Stockholm University, Department of Meteorology, Stockholm, Sweden, (5)Faroe Marine Research Institute, Tórshavn, Faroe Islands, (6)Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, United States, (7)National Oceanography Center, Southampton, United Kingdom, (8)WHOI, Woods Hole, MA, United States, (9)GEOMAR Helmholtz Centre for Ocean Research, Kiel, Kiel, Germany, (10)Sorbonne Université - CNRS/IRD/MNHN, LOCEAN, Paris, France, (11)Univ Rhode Island, Narragansett, RI, United States, (12)Ifremer, LOPS, France, (13)Marine Research Institute, Reykjavik, Iceland