Does convection vary in different cloud disturbances? | Zendy

Miyamoto Yoshiaki | Zendy; Yoshida Ryuji | Zendy; Yamaura Tsuyoshi | Zendy; Yashiro Hisashi | Zendy; Tomita Hirofumi | Zendy; Kajikawa Yoshiyuki | Zendy

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Does convection vary in different cloud disturbances?

Author(s) -

Miyamoto Yoshiaki,

Yoshida Ryuji,

Yamaura Tsuyoshi,

Yashiro Hisashi,

Tomita Hirofumi,

Kajikawa Yoshiyuki

Publication year - 2015

Publication title -

atmospheric science letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.951

H-Index - 45

ISSN - 1530-261X

DOI - 10.1002/asl2.558

Subject(s) - madden–julian oscillation , convection , convective available potential energy , deep convection , wind shear , tropical cyclone , meteorology , geology , climatology , atmospheric sciences , oscillation (cell signaling) , environmental science , physics , wind speed , biology , genetics

Deep moist convection is an element of cloud disturbances such as Madden‐Julian oscillation ( MJO ), tropical cyclones ( TCs ), mid‐latitudinal low depressions ( MDL ), and fronts ( FRT ). 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 MJO ( TC ) was tall with a strong (weak) upward motion, and was driven by large convective available potential energy (strong low‐level convergence). The convection in MDL and FRT was shorter and characterized by a strong vertical wind shear.

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