Chao Liu¹, Cong Hua¹, Hengde Zhang², Bihui Zhang³, Gang Wang⁴, Wenhui Zhu⁵ and Ran Xu¹, (1)National Meteorological Centre, Beijing, China, (2)National Meteorological Center, Chinese Meteorological Administration, Department of Weather Forecast, Beijing, China, (3)National Meteorological Center, Chinese Meteorological Administration, Environmental Meteorological Center, Beijing, China, (4)State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, China, (5)Nanjing University of Information Science and Technology, Nanjing, China