Tesfaye Adugna, Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology, China; Wenbo Xu, 1) School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu. 2) Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China., China; Jinlong Fan, National Satellite Meteorological Center, China Meteorological Administration, Beijing 100081, China., China