Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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A Diagnostic Analysis on the Intensity Change of Typhoon NAKRI(0208)

태풍 나크리(0208)의 강도변화에 관한 진단적 분석

  • Kim, Baek-Jo (National Institute of Meteorological Research, Korea Meteorological Administration) ;
  • Kim, Kyung-Sik (Department of Physics, Pukyung National University) ;
  • Chang, Ki-Ho (National Typhoon Center, Korea Meteorological Administration) ;
  • Park, Jong-Kil (School of Environmental Sciences Engineering.AEI, Inje University)
  • 김백조 (국립기상연구소 정책연구과) ;
  • 김경식 (부경대학교 물리학과) ;
  • 장기호 (기상청 국가태풍센터) ;
  • 박종길 (인제대학교 환경공학부.대기환경정보연구센터)
  • Received : 2012.11.19
  • Accepted : 2013.02.22
  • Published : 2013.03.29
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Abstract

In this study, the cause of rapid intensity change of typhoon Nakri(0208) in view of point of a trough-typhoon interaction using diagnostic methods was examined based on 6-hourly GDAPS data from 10 to 13 July, 2002. At 0000 UTC 13 July, high PV(Potential Vorticity) region moved southeastward, reaching to the western edge of the Korean peninsula and near typhoon center at surface and there shows an increasing value of EFC(Eddy Momentum Flux Convergence). Also, as the trough and typhoon approach one another at the same time, the vertical shear(850-200 hPa) increases to more than 15 m/s. Thus, it might be concluded that the trough-typhoon interaction made intensified significantly, providing the fact that typhoon Nakri(0208) underwent substantial weakening while moving northward to around Jeju island.

Keywords

References

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