An initial study on the relationship between urbanization and heavy rainfall in the urban area by observation and numerical analysis

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The relationship between urbanization process and heavy rainfall in the urban area was considered. Some cases of heavy rainfall in summer in Tokyo metropolitan area came up in the region where southerly sea breeze from Tokyo bay and easterly sea breeze from Kashimanada were converged. To investigate the effect of urbanization in Tokyo metropolitan area on property of the sea breeze from Tokyo bay, upper-air observation and numerical simulation were adopted