Tropical cyclogenesis: Controlling factors and physical mechanisms

In this review, advances in the understanding of the controlling factors and physical mechanisms of tropical cyclogenesis (TCG) are summarized from recent (2018-2022) research on TCG, as presented in the Tenth International Workshop on Tropical Cyclones (IWTC-10). Observational, theoretical, and numerical modeling studies published in recent years have advanced our knowledge on the influence of large-scale environmental factors on TCG. Furthermore, studies have shown clearly that appropriate convective coupling with tropical equatorial waves enhances the development chances of TCG. More recently, illuminating research has been carried out on analyzing the mechanisms by which oscillations and teleconnections (El Nin similar to o Southern Oscillation (ENSO) in particular) modulate TCG globally, in association with changes in the sea surface temperature (SST). In addition to this, recent research has diligently addressed different aspects of TCG. Multiple studies have reported the applicability of unified theories and physical mechanisms of TCG in different ocean basins. Recently, research has been carried out on TCG under different flow pattern regimes, dry air intrusion, importance of marsupial pouch, genesis of Medicanes, wind shear, convection and vertical structure. Furthermore, studies have discussed the possibility of near equatorial TCG provided that there is enough supply of background vertical vorticity and relatively low vertical wind shear. Progress has been made to understand the role of climate change on global and regional TCG. However, there are still significant gaps which need to be addressed in order to better understand TCG prediction.

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(c) 2023 The Shanghai Typhoon Institute of China Meteorological Administration. Publishing services by Elsevier B.V. on behalf of KeAi Communication Co. Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).


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Author Rajasree, V.
Cao, X.
Ramsay, H.
Núñez Ocasio, Kelly M.
Kilroy, G.
Alvey, G. R.
Chang, M.
Nam, C. C.
Fudeyasu, H.
Teng, Hsu-Feng
Yu, H.
Publisher UCAR/NCAR - Library
Publication Date 2023-09-01T00:00:00
Digital Object Identifier (DOI) Not Assigned
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Topic Category geoscientificInformation
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Metadata Date 2025-07-11T15:15:11.997344
Metadata Record Identifier edu.ucar.opensky::articles:26869
Metadata Language eng; USA
Suggested Citation Rajasree, V., Cao, X., Ramsay, H., Núñez Ocasio, Kelly M., Kilroy, G., Alvey, G. R., Chang, M., Nam, C. C., Fudeyasu, H., Teng, Hsu-Feng, Yu, H.. (2023). Tropical cyclogenesis: Controlling factors and physical mechanisms. UCAR/NCAR - Library. https://n2t.org/ark:/85065/d7833x39. Accessed 01 August 2025.

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