Raffaele Marino, CNRS, École Centrale de Lyon, Paris Cedex 16, France, Gyeongseob Song, École Centrale de Lyon, Lyon, France, Fabio Feraco, École Centrale de Lyon, Ecully, France, Alain Pumir, Ecole Normale Supérieure Lyon, Lyon, France, Jorge Luis Chau, Leibniz Institute of Atmospheric Physics at the University of Rostock, Kühlungsborn, Germany, Pablo D. Mininni, University of Buenos Aires, Departamento de Fisica, FCEN, Buenos Aires, Argentina, Annick Pouquet, National Center for Atmospheric Research, Boulder, United States and Duane L. Rosenberg, Colorado State University, Cooperative Institute for Research in the Atmosphere, Fort Collins, United States