A Numerical Study on Impact of Taiwan Island Surface Heat Flux on Super Typhoon Haitang (2005)

Three to four tropical cyclones (TCs) by average usually impact Taiwan every year. This study, using the Developmental Tested Center (DTC) version of the Hurricane WRF (HWRF) model, examines the effects of Taiwan’s island surface heat fluxes on typhoon structure, intensity, track, and its rainfall o...

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Main Author: Hongxiong Xu
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Advances in Meteorology
Online Access:http://dx.doi.org/10.1155/2015/710348
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author Hongxiong Xu
author_facet Hongxiong Xu
author_sort Hongxiong Xu
collection DOAJ
description Three to four tropical cyclones (TCs) by average usually impact Taiwan every year. This study, using the Developmental Tested Center (DTC) version of the Hurricane WRF (HWRF) model, examines the effects of Taiwan’s island surface heat fluxes on typhoon structure, intensity, track, and its rainfall over the island. The numerical simulation successfully reproduced the structure and intensity of super Typhoon Haitang. The model, especially, reproduced the looped path and landfall at nearly the right position. Sensitive experiments indicated that Taiwan’s surface heat fluxes have significant influence on the super Typhoon Haitang. Compared to sensible heat (SH) fluxes, latent heat (LH) is the dominant factor affecting the intensity and rainfall, but they showed opposite effects on intensity and rainfall. LH (SH) flux of Taiwan Island intensified (weakened) Typhoon Haitang’s intensity and structure by transferring more energy from (to) surface. However, only LH played a major role in the looped path before the landfall of the Typhoon Haitang.
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institution Kabale University
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spelling doaj-art-5f835533334a4c8bad7fa4d8fe748b9d2025-08-20T03:34:22ZengWileyAdvances in Meteorology1687-93091687-93172015-01-01201510.1155/2015/710348710348A Numerical Study on Impact of Taiwan Island Surface Heat Flux on Super Typhoon Haitang (2005)Hongxiong Xu0State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081, ChinaThree to four tropical cyclones (TCs) by average usually impact Taiwan every year. This study, using the Developmental Tested Center (DTC) version of the Hurricane WRF (HWRF) model, examines the effects of Taiwan’s island surface heat fluxes on typhoon structure, intensity, track, and its rainfall over the island. The numerical simulation successfully reproduced the structure and intensity of super Typhoon Haitang. The model, especially, reproduced the looped path and landfall at nearly the right position. Sensitive experiments indicated that Taiwan’s surface heat fluxes have significant influence on the super Typhoon Haitang. Compared to sensible heat (SH) fluxes, latent heat (LH) is the dominant factor affecting the intensity and rainfall, but they showed opposite effects on intensity and rainfall. LH (SH) flux of Taiwan Island intensified (weakened) Typhoon Haitang’s intensity and structure by transferring more energy from (to) surface. However, only LH played a major role in the looped path before the landfall of the Typhoon Haitang.http://dx.doi.org/10.1155/2015/710348
spellingShingle Hongxiong Xu
A Numerical Study on Impact of Taiwan Island Surface Heat Flux on Super Typhoon Haitang (2005)
Advances in Meteorology
title A Numerical Study on Impact of Taiwan Island Surface Heat Flux on Super Typhoon Haitang (2005)
title_full A Numerical Study on Impact of Taiwan Island Surface Heat Flux on Super Typhoon Haitang (2005)
title_fullStr A Numerical Study on Impact of Taiwan Island Surface Heat Flux on Super Typhoon Haitang (2005)
title_full_unstemmed A Numerical Study on Impact of Taiwan Island Surface Heat Flux on Super Typhoon Haitang (2005)
title_short A Numerical Study on Impact of Taiwan Island Surface Heat Flux on Super Typhoon Haitang (2005)
title_sort numerical study on impact of taiwan island surface heat flux on super typhoon haitang 2005
url http://dx.doi.org/10.1155/2015/710348
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AT hongxiongxu numericalstudyonimpactoftaiwanislandsurfaceheatfluxonsupertyphoonhaitang2005