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TEST OF A TROPICAL LIMITED AREA NUMERICAL PREDIC-TION MODEL INCLUDING EFFECT OF REAL TOPOGRAPHY |
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| Authors: | Xue Jishan Wang Kangling Wang Zhiming Huang Minqiang Zhang Xuehong and Yuan Chongguang |
| Affiliation: | Guangdong Institute of Tropical and Marine Meteorology, Guangzhou,Guangdong Institute of Tropical and Marine Meteorology, Guangzhou,Guangdong Institute of Tropical and Marine Meteorology, Guangzhou,Guangdong Institute of Tropical and Marine Meteorology, Guangzhou,Institute of Atmospheric Physics, Academia Sinica, Beijing,Institute of Atmospheric Physics, Academia Sinica, Beijing |
| Abstract: | In this paper, a tropical limited numerical prediction p.e. model in sigma coordinate is developed. The predicted variables are deviations from a rest reference atmosphere. This transformation is of benefit in reducing truncation error and guarantees computational stability after the very steep real topography is introduced into the model. The numerical tests with this model show that the large-scale obstacle of the Tibetan Plateau is not negligible in forecasting tropical systems like the South China Sea typhoon. |
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