Tiantian Yu^1,2, Hui Xiao^1,2, Huiling Yang¹, Minsong Huang¹ and Yue Sun^1,2, (1)Key Laboratory of Cloud Precipitation Physics and Severe Storms (LACS), & Center of Disaster Reduction, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, (2)University of Chinese Academy of Sciences, Beijing, China