Plateau Meteorology

Plateau Meteorology >

2018 , Vol. 37 >Issue 2: 481 - 494

DOI: https://doi.org/10.7522/j.issn.1000-0534.2017.00026

Comparative Analysis of Single-Moment and Double-Moment Microphysics Schemes in WRF on the Torrential Rainfall Event in North China During 1921 July, 2016

  • KANG Yanzhen ,
  • JIN Shuanglong ,
  • PENG Xindong ,
  • YANG Xu ,
  • SHANG Kezheng ,
  • WANG Shigong
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  • College of Atmospheric Sciences, Lanzhou University/Key Laboratory of Arid Climate Change and Reducing Disaster of Gansu Province, Lanzhou 730020, Gansu, China;State Key Laboratory of Operation and Control of Renewable Energy and Storage Systems, China Electric Power Research Institute, Beijing 100192, China;College of Atmospheric Sciences, Chengdu University of Information Technology, Chengdu 610225, Sichuan, China;State Key Laboratory Of Severe Weather(LaSW), Chinese Academy of Meteorological Sciences, Beijing 100081, China

Received date: 2016-11-27

  Online published: 2018-04-28

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Abstract

Based on a general analysis, the torrential rainfall event in north China during 19-21 July 2016 is simulated by using the Weather Research Forecast modeling system. The effects of microphysics schemes, divided into two groups of nine single and seven double-moment schemes on rainfall area and intensity of precipitation were evaluated. The results show that the heavy rainfall event with low vortex characterized by high intensity, long duration and large amount. Simulation of most schemes present a rather good reproduction of rainfall. As time goes on, differenc-es between schemes are more obvious. The results of the double-moment schemes presented less simulation effect, compared to the results of the single-moment schemes in terms of rain mixing ratio, solid hydrometeor and vertical velocity. The double-moment schemes was much better than its contrary one. Overall, it was the SBU_YLin that provided the most successful simulation scheme on the torrential, and the simulation of rainfall area and intensity of the rainfall was close to the observations.

Key words： Microphysical scheme; single-moment; double-moment scheme; torrential rainfall; evaluate

Cite this article

KANG Yanzhen , JIN Shuanglong , PENG Xindong , YANG Xu , SHANG Kezheng , WANG Shigong . Comparative Analysis of Single-Moment and Double-Moment Microphysics Schemes in WRF on the Torrential Rainfall Event in North China During 1921 July, 2016[J]. Plateau Meteorology, 2018 , 37(2) : 481 -494 . DOI: 10.7522/j.issn.1000-0534.2017.00026

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