Raffaele Bernardello¹, Valentina Sicardi², Pablo Ortega², Virginie Guemas^2,3 and Francisco J. Doblas-Reyes^4,5, (1)Barcelona Supercomputing Centre, Climate prediction, Barcelona, Spain, (2)Barcelona Supercomputing Center, Earth Sciences, Barcelona, Spain, (3)CNRM, Météo-France, Toulouse, France, (4)Institució Catalana de Recerca i Estudis Avançats, Barcelona, Spain, (5)Barcelona Supercomputing Center, Barcelona, Spain