Articles | Volume 21, issue 12
https://doi.org/10.5194/acp-21-9289-2021
https://doi.org/10.5194/acp-21-9289-2021
Research article
 | 
17 Jun 2021
Research article |  | 17 Jun 2021

A large-eddy simulation study of deep-convection initiation through the collision of two sea-breeze fronts

Shizuo Fu, Richard Rotunno, Jinghua Chen, Xin Deng, and Huiwen Xue

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Subject: Clouds and Precipitation | Research Activity: Atmospheric Modelling and Data Analysis | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

American Meteorological Society: Dryline, Glossary of Meteorology, available at: http://glossary.ametsoc.org/wiki/dryline, last access: 20 December 2020a. 
American Meteorological Society: Gust front, Glossary of Meteorology, available at: http://glossary.ametsoc.org/wiki/gust_front, last access: 20 December 2020b. 
Antonelli, M. and Rotunno, R.: Large-eddy simulation of the onset of the sea breeze, J. Atmos. Sci., 64, 4445–4457, https://doi.org/10.1175/2007jas2261.1, 2007. 
Arnott, N. R., Richardson, Y. P., Wurman, J. M., and Rasmussen, E. M.: Relationship between a weakening cold front, misocyclones, and cloud development on 10 June 2002 during IHOP, Mon. Weather Rev., 134, 311–335, https://doi.org/10.1175/MWR3065.1, 2006. 
Bai, L., Meng, Z., Huang, Y., Zhang, Y., Niu, S., and Su, T.: Convection Initiation Resulting From the Interaction Between a Quasi-Stationary Dryline and Intersecting Gust Fronts: A Case Study, J. Geophys. Res.-Atmos., 124, 2379–2396, https://doi.org/10.1029/2018JD029832, 2019. 
Short summary
Deep-convection initiation (DCI) determines when and where deep convection develops and hence affects both weather and climate. However, our understanding of DCI is still limited. Here, we simulate DCI over a peninsula using large-eddy simulation and high-output frequency. We find that DCI is accomplished through the development of multiple generations of convection, and the earlier generation affects the later generation by producing downdrafts and cold pools.
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