Does convection vary in different cloud disturbances?

書誌事項

公開日
2015-01-12
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/asl2.558
公開者
Wiley

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説明

<jats:title>Abstract</jats:title><jats:p>Deep moist convection is an element of cloud disturbances such as Madden‐Julian oscillation (<jats:styled-content style="fixed-case">MJO</jats:styled-content>), tropical cyclones (<jats:styled-content style="fixed-case">TCs</jats:styled-content>), mid‐latitudinal low depressions (<jats:styled-content style="fixed-case">MDL</jats:styled-content>), and fronts (<jats:styled-content style="fixed-case">FRT</jats:styled-content>). However, differences in convection characteristics in disturbances remain unclear. We first clarified the statistical features of the convection (structure, intensity, and environmental parameters) in various disturbances simulated by a global simulation with a sub‐kilometre grid spacing. The convection in <jats:styled-content style="fixed-case">MJO</jats:styled-content> (<jats:styled-content style="fixed-case">TC</jats:styled-content>) was tall with a strong (weak) upward motion, and was driven by large convective available potential energy (strong low‐level convergence). The convection in <jats:styled-content style="fixed-case">MDL</jats:styled-content> and <jats:styled-content style="fixed-case">FRT</jats:styled-content> was shorter and characterized by a strong vertical wind shear.</jats:p>

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