Recent Progress in the Fundamental Understanding of Tropical Cyclone Motion

  • Ito Kosuke
    Department of Physics and Earth Sciences, University of the Ryukyus
  • Wu Chun-Chieh
    Department of Atmospheric Sciences, National Taiwan University
  • Chan Kelvin T. F.
    School of Atmospheric Sciences, and Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Sun Yat-sen University Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)
  • Toumi Ralf
    Department of Physics, Imperial College
  • Davis Chris
    Mesoscale and Microscale Meteorology Laboratory, National Center for Atmospheric Research

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Other Title
  • 台風の移動についての基礎的な理解に関する近年の進展

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Abstract

<p>While the fundamental understanding of tropical cyclone (TC) movement is fairly mature, notable advancements are still being made. This paper summarizes new concepts and updates to the existing fundamental theories on TC movement obtained from simplified barotropic models, full-physics models, and data analysis, particularly since 2014. The scope includes recent works on the interaction between a TC and its environment, and the predictability related to TC movement. Although conventional concepts of steering flow, β-gyre, and diabatic heating remain important, a more complete understanding of TC movement governing mechanisms can provide an important basis for further track forecast improvements.</p>

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