Nefeli Makrygianni¹, Segolene Berthou², Juan Manuel Castillo², David L.A. Flack¹, Huw Lewis³, Cindy Lebeaupin Brossier⁴, Diego Bruciaferri⁵, Jonathan Beuvier⁶, Emiliano Renzi⁷, Clare O'Neill¹ and Frederic Dias⁸, (1)Met Office, Exeter, United Kingdom, (2)Met Office Hadley center for Climate Change, Exeter, United Kingdom, (3)Met Office, UK, Exeter, United Kingdom, (4)Météo France, Toulouse, France, (5)Plymouth University, Faculty of Science and Engineering, Plymouth, United Kingdom, (6)Météo-France Toulouse, Toulouse Cedex 01, France, (7)Northumbria University, School of Engineering, Physics and Mathematics, Newcastle-upon-Tyne, United Kingdom, (8)University College Dublin, Dublin, Ireland