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Article >  Journal of Tropical Meteorology  > 1996 >  2(2): 148-154

DEVELOPMENT OF A TROPICAL CYCLONE IN BAROTROPIC ENVIRONMENTAL FLOWS

  • Department of Meteorology, University of Hawaii at Manoa, Honolulu, HI 96822, USA

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  • Development of a tropical cyclone in barotropic environmental flows is investigated with a shallow water model. It is found that the tropical cyclone develops only when it is embedded in an environmental now with a southward relative vorticity gradient. The related physical mechanism is explained by analyzing the kinetic energy conversion between the environmental flow and tropical cyclone circulation.
  • [1] Chan J C-L,Williams R T,1987. Analytical and numerical studies of the beta-effect in tropical cyclone motion. Part I:Zero mean flow. J. Atmos. Sci.,44:1257-1265.
    [2] Fiorino M,R L Elsberry, 1989. Some aspects of vortex structure related to tropical cyclone motion. J. Atmos. Sci.,46:975-990.
    [3] Holland G J,1983. Tropical cyclone motion:Environmental interaction plus a beta effect. J. Atmos. Sci.,40:328-342.
    [4] Li X,Wang B, 1994. Barotropic dynamics of the beta gyres and beta drift. J. Atmos. Sci.,51:746-756.
    [5] Li X,Wang B, 1996. Acceleration of hurricane beta drift by shear strain rate of the environmental flow,J. Atmos. Sci.,in press.
    [6] Wang B, Li X,1992. The beta-drift of three dimensional vortices:A numerical study. Mon. Wea. Rev.,120:579-593.
    [7] Wang B, Li X,1995. Propagation of a tropical cyclone in a meridionally-varying zonal flow:An energetics analysis. J. Atmos. Sci.,52:1421-1433.
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Li Xiaofan. DEVELOPMENT OF A TROPICAL CYCLONE IN BAROTROPIC ENVIRONMENTAL FLOWS [J]. Journal of Tropical Meteorology, 1996, 2(2): 148-154.
Li Xiaofan. DEVELOPMENT OF A TROPICAL CYCLONE IN BAROTROPIC ENVIRONMENTAL FLOWS [J]. Journal of Tropical Meteorology, 1996, 2(2): 148-154.
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    • Manuscript History

    Manuscript received: 19 September 1994
    Manuscript revised: 18 January 1995
    通讯作者: 陈斌, bchen63@163.com
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    DEVELOPMENT OF A TROPICAL CYCLONE IN BAROTROPIC ENVIRONMENTAL FLOWS

    • Department of Meteorology, University of Hawaii at Manoa, Honolulu, HI 96822, USA
    • Received Date: 1994-09-19
    • Rev Recd Date: 1995-01-18

    Abstract: Development of a tropical cyclone in barotropic environmental flows is investigated with a shallow water model. It is found that the tropical cyclone develops only when it is embedded in an environmental now with a southward relative vorticity gradient. The related physical mechanism is explained by analyzing the kinetic energy conversion between the environmental flow and tropical cyclone circulation.

    Li Xiaofan. DEVELOPMENT OF A TROPICAL CYCLONE IN BAROTROPIC ENVIRONMENTAL FLOWS [J]. Journal of Tropical Meteorology, 1996, 2(2): 148-154.
    Citation: Li Xiaofan. DEVELOPMENT OF A TROPICAL CYCLONE IN BAROTROPIC ENVIRONMENTAL FLOWS [J]. Journal of Tropical Meteorology, 1996, 2(2): 148-154.
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