1. Joint Center of Data Assimilation for Research and Application, Nanjing University of Information and Science & Technology, Nanjing 211544, China
2. Department of Earth, Ocean & Atmospheric Sciences, Florida State University, Tallahassee, FL 32304, USA
3. State Key Laboratory of Numerical Modelling for Atmospheric Sciences and Geophysical Fluid Dynamics (LASG), Institute of Atmospheric Physics (IAP), Chinese Academy of Sciences (CAS), Beijing 100029, China
4. School of Atmospheric Sciences, Nanjing University, Nanjing 210023, China