Xin-Zhong Liang, University of Maryland College Park, Department of Atmospheric & Oceanic Science, College Park, MD, United States; University of Maryland College Park, Earth System Science Interdisciplinary Center, College Park, MD, United States and Haoran Xu, Nanjing University of Information Science and Technology, College of Atmospheric Science, Nanjing, China; University of Maryland College Park, Earth System Science Interdisciplinary Center, College Park, United States