Radiative Effects on Precipitation: A South China Storm Case Study

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  • ZHOU Guanqiang
    Shanghai Typhoon Institute/Chinese Meteorological Administration, Shanghai Department of Atmospheric Science, School of Physics, Peking University, Beijing
  • ZHAO Chunsheng
    Department of Atmospheric Science, School of Physics, Peking University, Beijing
  • DUAN Ying
    Hebei Meteorological Bureau
  • QIN Yu
    Department of Atmospheric Science, School of Physics, Peking University, Beijing

書誌事項

公開日
2006
DOI
  • 10.2151/jmsj.84.691
公開者
公益社団法人 日本気象学会

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説明

In this paper the effects of radiation on a meso-scale precipitating system is investigated during a severe storm in South China on June 8, 1998. This was done by using the Pennsylvania State University (PSU)/National Center for Atmospheric Research (NCAR)/Meso-scale Model 5 Version 3 (MM5_V3) after the introduction of radiative transfer schemes that are able to treat water clouds, ice crystals, snow, and groupel. The results suggest that the rainfall patterns do not differ too much for the various radiation schemes used in the numerical calculations, but rather influence the rainfall intensity in the central areas. The radiative effects on precipitation are more significant during daytime, as compared to nighttime. The diurnal variation of rainfall is enhanced by the radiative processes. Computed precipitation intensities, and radiative cooling/heating rates, are dependent on the specific radiative transfer scheme used. The results suggest that model improvement of daytime cloud radiative processes is crucial for a better representation of such effects on meso-scale precipitating system.

収録刊行物

  • 気象集誌. 第2輯

    気象集誌. 第2輯 84 (4), 691-704, 2006

    公益社団法人 日本気象学会

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