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New generation of multi-scale NWP system (GRAPES): general scientific design

  • Articles/Atmospheric Sciences
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Chinese Science Bulletin

Abstract

A new generation of numerical prediction system GRAPES (a short form of Global/Regional Assimilation and PrEdiction System) was set up in China Meteorological Administration (CMA). This paper focuses on the scientific design and preliminary results of the numerical prediction model in GRAPES, including basic idea and strategy of the general scientific design, multi-scale dynamic core, physical package configuration, architecture and parallelization of the codes. A series of numerical experiments using the real data with horizontal resolutions from 10 to 280 km and idealized experiments with very high resolution up to 100 m are conducted, giving encouraging results supporting the multi-scale application of GRAPES. The results of operational implementation of GRAPES model in some NWP centers are also presented with stress at evaluations of the capability to predict the main features of precipitation in China. Finally the issues to be dealt with for further development are discussed.

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Author information

Authors and Affiliations

  1. State Key Laboratory of Server Weather, Chinese Academy of Meteorological Sciences, Beijing, 100081, China

    DeHui Chen, JiShan Xue, XueSheng Yang, HongLiang Zhang, XueShun Shen & JiangLin Hu

  2. National Meteorological Center, Beijing, 100081, China

    Yu Wang

  3. Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100089, China

    LiRen Ji & JiaBin Chen

Authors
  1. DeHui Chen
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  2. JiShan Xue
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  3. XueSheng Yang
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  4. HongLiang Zhang
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  5. XueShun Shen
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  6. JiangLin Hu
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  7. Yu Wang
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  8. LiRen Ji
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  9. JiaBin Chen
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Corresponding author

Correspondence to DeHui Chen.

Additional information

Supported by Key Technologies Research and Development Program (Grant No. 2001BA607B02), National Key Technology Research and Development Program (Grant No. 2006BAC02B03), and National Natural Science Foundation of China (Grant No. 40575050)

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Chen, D., Xue, J., Yang, X. et al. New generation of multi-scale NWP system (GRAPES): general scientific design. Chin. Sci. Bull. 53, 3433–3445 (2008). https://doi.org/10.1007/s11434-008-0494-z

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  • DOI: https://doi.org/10.1007/s11434-008-0494-z

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