Next Article in Journal
Climate and the Global Spread and Impact of Bananas’ Black Leaf Sigatoka Disease
Next Article in Special Issue
Five-Year Climatology of Local Convections in the Dabie Mountains
Previous Article in Journal
Numerical Simulation Analysis of the Impact of Urbanization on an Extreme Precipitation Event over Beijing–Tianjin–Hebei, China
Previous Article in Special Issue
Seasonal Variability of Lightning Activity in Yakutia in 2009–2019
Open AccessArticle

Initiation and Organization Mechanisms of Mesoscale Convective Systems in a Warm-Sector Torrential Rainfall Event over Beijing

by 1,2, 1,2,*, 2,3, 4 and 5
1
Zhejiang Early Warning Center, Zhejiang Meteorological Bureau, Hangzhou 310002, China
2
Key Laboratory of Cloud-Precipitation Physics and Severe Storms, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
3
School of Remote Sensing & Geomatics Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China
4
Department of Earth Sciences, Zhejiang University, Hangzhou 310027, China
5
Zhejiang Institute of Meteorological Sciences, Zhejiang Meteorological Bureau, Hangzhou 310002, China
*
Author to whom correspondence should be addressed.
Atmosphere 2020, 11(9), 946; https://doi.org/10.3390/atmos11090946
Received: 6 July 2020 / Revised: 21 August 2020 / Accepted: 25 August 2020 / Published: 4 September 2020
A torrential rainfall that occurred in Beijing during the period of 21–22 July 2012 is simulated by the Weather Research and Forecasting Model in order to investigate the probable mechanisms for the initiation and organization of warm-sector mesoscale convective systems (MCSs). The simulated results show that the cyclone, which formed in Hetao area, Inner Mongolia and moved eastward slowly, played a key role in the formation and development of warm-sector precipitation, although the favorable atmospheric environment and the configuration of weather systems are also important, which caused the trigger and organization of convective cells along Taihang Mountains. It is the interaction of the local terrain convergence line and the southerly airflows of Hetao cyclone that cause the continuous trigger of convective cells along Taihang Mountains. While, the triggers of convective cells in the plains are caused by the gravity waves, which is related to the development and eastward movement of Hetao cyclone. It must be pointed out that the merging and coupling between the cells that triggered in Taihang Mountains and moved southwesterly and the cells that triggered in plains and moved northeasterly are the key factors for the formation and development of MCSs during the warm-sector precipitation. In addition, the back-building processes and the cold pool forcing are also important for the formation and development of MCSs in this study. View Full-Text
Keywords: warm-sector precipitation; convective initiation; convective organization warm-sector precipitation; convective initiation; convective organization
Show Figures

Figure 1

MDPI and ACS Style

Yin, L.; Mao, J.; Ping, F.; Li, X.; Wang, N. Initiation and Organization Mechanisms of Mesoscale Convective Systems in a Warm-Sector Torrential Rainfall Event over Beijing. Atmosphere 2020, 11, 946. https://doi.org/10.3390/atmos11090946

AMA Style

Yin L, Mao J, Ping F, Li X, Wang N. Initiation and Organization Mechanisms of Mesoscale Convective Systems in a Warm-Sector Torrential Rainfall Event over Beijing. Atmosphere. 2020; 11(9):946. https://doi.org/10.3390/atmos11090946

Chicago/Turabian Style

Yin, Lei; Mao, Jiahua; Ping, Fan; Li, Xiaofan; Wang, Ning. 2020. "Initiation and Organization Mechanisms of Mesoscale Convective Systems in a Warm-Sector Torrential Rainfall Event over Beijing" Atmosphere 11, no. 9: 946. https://doi.org/10.3390/atmos11090946

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Search more from Scilit
 
Search
Back to TopTop