Department of Atmospheric Science Nanjing University of Information Science & Technology Nanjing 210044 P.R.China;
Xinchang Weather Bureau Xinchang 312500 P..R. China;
Zhejiang Provincial Climate Center Hangzhou 310017 P.R. China;
Division of Comprehensive Reform Development and Reform Commission of Zhejiang Province Hangzhou 310025 P.R. China;
College of Agriculture and Biotechnology Zhejiang University Hangzhou 310029 P.R.China;