1. Key Laboratory of Mesoscale Severe Weather Ministry of Education and School of Atmospheric Sciences Nanjing University Nanjing China
2. Meteorological Center Northwest Air Traffic Management Bureau Civil Aviation Administration of China Xi'an China
3. Center for Analysis and Prediction of Storms and School of Meteorology University of Oklahoma Norman OK USA
4. Key Laboratory of Transportation Meteorology of China Meteorological Administration Nanjing Joint Institute for Atmospheric Sciences Nanjing China