1. Institute for Geosciences and Meteorology at the University of Bonn, Auf dem Huegel 20, 53121 Bonn, Germany
2. Department of Atmospheric and Oceanic Sciences & Institute of Atmospheric Sciences, Fudan University, 200438 Shanghai, China
3. Cloud and Precipitation Exploration Laboratory (CPEX-Lab) of Geoverbund ABC/J, JülichGermany
4. Department of Water Resources, Faculty of Geo-Information Science and Earth Observation (ITC), University of Twente, P.O. Box 217, 7500AE, Enschede, Netherlands
5. The Plateau Atmosphere and Environment Key Laboratory of Sichuan Province, Chengdu University of Information Technology, Chengdu, 610225 Sichuan, China