中国气象局预报员专项CMAYBY2014-022;上海市科研计划项目14DZ1202904;上海市气象局科技开发项目No.MS201212 Supported by the Special Fund of the China Meteorological AdministrationCMAYBY2014-022;the Project of Science and Technology of Shanghai14DZ1202904;the Program of Shanghai Meteorological ServiceMS201212