Tongwen Wu¹, Aixue Hu², Feng Gao Miss³, Jie Zhang Dr.⁴ and Gerald A Meehl², (1)National Climate Center, Chinese Meteorological Administration, Beijing, China, (2)NCAR, Boulder, CO, United States, (3)China Meteorological Administration Training Centre, China Meteorological Administration, Beijing, China, (4)National Climate Center, China Meteorological Administration, Beijing, China