Articles | Volume 22, issue 6
Nat. Hazards Earth Syst. Sci., 22, 1795–1817, 2022
https://doi.org/10.5194/nhess-22-1795-2022
Nat. Hazards Earth Syst. Sci., 22, 1795–1817, 2022
https://doi.org/10.5194/nhess-22-1795-2022
Research article
02 Jun 2022
Research article | 02 Jun 2022

Idealized simulations of Mei-yu rainfall in Taiwan under uniform southwesterly flow using a cloud-resolving model

Chung-Chieh Wang et al.

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Cited articles

Akaeda, K., Reisner, J., and Parsons, D.: The role of mesoscale and topographically induced circulations in initiating a flash flood observed during the TAMEX project, Mon. Weather Rev., 123, 1720–1739, https://doi.org/10.1175/1520-0493(1995)123%3C1720:TROMAT%3E2.0.CO;2, 1995. 
Baines, P. G.: Topographic Effects in Stratified Flows, 1st edn., Cambridge University Press, Cambridge, England, UK, 1995. 
Banta, R. M.: The Role of Mountain Flows in Making Clouds, in: Atmospheric Processes over Complex Terrain, edited by: Blumen, W., Meteorological Monographs, 23, Am. Meteorol. Soc., Boston, Massachusetts, US, 229–284, https://doi.org/10.1007/978-1-935704-25-6_9, 1990. 
Bell, G. D. and Bosart, L. F.: Appalachian cold-air damming, Mon. Weather Rev., 116, 137–161, https://doi.org/10.1175/1520-0493(1988)116%3C0137:ACAD%3E2.0.CO;2, 1988. 
Chen, G. T.-J.: Observational aspects of the Mei-Yu phenomenon in subtropical China, J. Meteorol. Soc. Jpn., 61, 306–312, https://doi.org/10.2151/jmsj1965.61.2_306, 1983. 
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Short summary
In this study, cloud-resolving simulations are performed under idealized and uniform southwesterly flow direction and speed to investigate the rainfall regimes in the Mei-yu season and the role of complex mesoscale topography on rainfall without the influence of unwanted disturbances, including a low-Froude number regime where the thermodynamic effects and island circulation dominate, a high-Froude number regime where topographic rainfall in a flow-over scenario prevails, and a mixed regime.
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