Strategy for the Prediction of Typhoon Wind and Storm Surge Height Using the Parametric Typhoon Model: Case Study for Hinnamnor in 2022
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Title
- Strategy for the Prediction of Typhoon Wind and Storm Surge Height Using the Parametric Typhoon Model: Case Study for Hinnamnor in 2022
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Author(s)
- Son, Jun Hyeok; Kim, Hojin; Heo, Ki Young; Kwon, Jae Il; Jeong, Sang Hun; Choi, Jin Yong; Chun, Je Yun; Kwon, Yeong Yeon; Choi, Jung Woon
- KIOST Author(s)
- Kim, Ho Jin(김호진); Heo, Ki Young(허기영); Kwon, Jae Il(권재일); Jeong, Sang Hun(정상훈); Choi, Jin Yong(최진용); Chun, Je Yun(전재윤); Kwon, Yeong Yeon(권영연); Choi, Jung Woon(최정운)
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Alternative Author(s)
- 손준혁; 김호진; 허기영; 권재일; 정상훈; 최진용; 전재윤; 권영연; 최정운
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Publication Year
- 2023-01
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Abstract
- The parametric typhoon model is a powerful typhoon prediction and reproduction tool with advantages in accuracy, and computational speed. To simulate typhoons’ horizontal features, the longitude and latitude of the typhoon center, central pressure, radius of maximum wind speed (Rmax), and background states (such as surface air pressure and wind speed) are required. When a typhoon approaches or is predicted to affect Korea, the Korea Meteorological Agency (KMA) notifies the above-mentioned parameters, except for the Rmax and background state. The contribution of background wind and pressure is not very significant; however, Rmax is essential for calculating typhoon winds. Therefore, the optimized Rmax for the typhoons over the past five years was estimated at each time step compared with the in situ wind observation record. After that, a fifth-order polynomial fitting was performed between the estimated Rmax and the radius of strong wind (RSW; >15 m/s) provided by the KMA. Finally, the Rmax was calculated from the RSW via the empirical equation, and the horizontal fields of typhoon Hinnamnor (2211) were reproduced using a parametric model. Furthermore, the ocean storm surge height was adequately simulated in the surge model.
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ISSN
- 2073-4433
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/43676
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DOI
- 10.3390/atmos14010082
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Bibliographic Citation
- Atmosphere, v.14, no.1, 2023
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Publisher
- Rotoweb Cantelli
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Keywords
- typhoon; parametric typhoon model; storm surge; radius of maximum wind speed; Hinnamnor
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Type
- Article
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Language
- English
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Document Type
- Article
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