Research and Operational Development of Numerical Weather Prediction in China,Journal of Meteorological Research

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Research and Operational Development of Numerical Weather Prediction in China
Journal of Meteorological Research ( IF 3.2 ) Pub Date : 2020-09-02 , DOI: 10.1007/s13351-020-9847-6
Xueshun Shen , Jianjie Wang , Zechun Li , Dehui Chen , Jiandong Gong

Numerical weather prediction (NWP) is a core technology in weather forecast and disaster mitigation. China’s NWP research and operational applications have been attached great importance by the meteorological community. Fundamental achievements have been made in the theories, methods, and NWP model development in China, which are of certain international impacts. In this paper, the scientific and technological progress of NWP in China since 1949 is summarized. The current status and recent progress of the domestically developed NWP system—GRAPES (Global/Regional Assimilation and PrEdiction System) are presented. Through independent research and development in the past 10 years, the operational GRAPES system has been established, which includes both regional and global deterministic and ensemble prediction models, with resolutions of 3–10 km for regional and 25–50 km for global forecasts. Major improvements include establishment of a new non-hydrostatic dynamic core, setup of four-dimensional variational data assimilation, and development of associated satellite application. As members of the GRAPES system, prediction models for atmospheric chemistry and air pollution, tropical cyclones, and ocean waves have also been developed and put into operational use. The GRAPES system has been an important milestone in NWP science and technology in China.

更新日期：2020-09-02

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