国家公益性行业气象专项项目No.GYHY201106034;国家自然科学基金项目No.41075103;中央高校科研项目No.lzujbky-2013-m03;国家级大学生创新创业No.201310730122;Supported by the National Public Sector meteorology Project No.GYHY201106034,the National Natural Science Foundation of China No.41075103,the Central University Scientific Research Project No.lzujbky-2013-m03and the National Training Programs of Innovation and Entrepreneurship for Undergraduates No.201310730122