1. Institute for Geophysics and Meteorology; University of Cologne; Cologne Germany
2. Laboratory for Climate and Ocean-Atmosphere Studies, Department of Atmospheric and Ocean Sciences, School of Physics; Peking University; Beijing China
3. Faculty of Engineering; Kagawa University; Takamatsu Japan
4. Meteorological Research Institute; Japan Meteorological Agency; Tsukuba Japan
5. Scientific Services Division, Office of Environment and Heritage, Department of Premier and Cabinet; Gunnedah New South Wales Australia