ABSTRACT

Liu, X.; Wang, Q.; Liu, C.; He, C.; Wang, S.; Hou, P.; Zhu, X., and Wu, Z., 2020. Wind field reconstruction and analysis of super typhoon Mangkhut (1822). In: Zheng, C.W.; Wang, Q.; Zhan, C., and Yang, S.B. (eds.), Air-Sea Interaction and Coastal Environments of the Maritime and Polar Silk Roads. Journal of Coastal Research, Special Issue No. 99, pp. 151–157. Coconut Creek (Florida), ISSN 0749-0208.

This paper reports the research conducted on wind field reconstruction for super typhoon Mangkhut (1822), which occurred in 2018/09. The performances of two common methods, i.e., the parametric typhoon model and CCMP reanalysis data, for the hindcasting of typhoon wind fields are examined, and an improved method is then proposed, which avoids the radius effect in the traditional superposition method. The proposed method relies on a combination of CCMP reanalysis data and parametric wind field results and directly evaluates the maximum wind speed. Moreover, the central difference method is employed to smooth the transitional area. This method notably improves the hindcasting of typhoon wind fields, and its capability is calibrated by field data from buoy platforms in the Pearl River Estuary. Finally, certain typical parameters, such as the wind field, wind speed and wind stress curl, during super typhoon Mangkhut are determined and analyzed.

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