[1] Gansu Key Laboratory of Arid Climatic Change and Reducing Disaster, Key Laboratory of Arid Climatic Change and Disaster Reduction, Lanzhou Institute of Arid Meteorology of China Meteorology Administration, Lanzhou,730020, China
[2] College of Meteorology, Lanzhou Resources & Environment Vocational-Technical College, Lanzhou,730021, China
[3] Hubei Key Laboratory for Heavy Rain Monitoring and Warning Research, Institute of Heavy Rain, China Meteorological Administration, Wuhan,430205, China