Christian Page¹, Wim Som de Cerff², Maarten Plieger², Alessandro Spinuso², Ernst de Vreede² and Niels Drost³, (1)CERFACS European Centre for Research and Advanced Training in Scientific Computation, Toulouse Cedex 01, France, (2)Royal Netherlands Meteorological Institute, De Bilt, Netherlands, (3)Netherlands eScience Center, Amsterdam, Netherlands