Kunihiko Kodera, Meteorological Research Institute, Ibaraki, Japan, Nawo Eguchi, Kyushu University, Research Institute for Applied Mechanics, Fukuoka, Japan, Rei Ueyama, NASA Ames Research Center, Moffett Field, CA, United States, Leonhard Pfister, NASA, Moffett Field, CA, United States, Beatraiz M. Funatsu, Université Rennes 2, LETG-Rennes COSTEL, Rennes, France and Chantal Claud, Ecole Polytechnique, Laboratoire de Meteorologie Dynamique, Palaiseau, France