Articles | Volume 16, issue 14
https://doi.org/10.5194/acp-16-8767-2016
https://doi.org/10.5194/acp-16-8767-2016
Research article
 | 
19 Jul 2016
Research article |  | 19 Jul 2016

Controls on phase composition and ice water content in a convection-permitting model simulation of a tropical mesoscale convective system

Charmaine N. Franklin, Alain Protat, Delphine Leroy, and Emmanuel Fontaine

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Short summary
Simulations of tropical convection are used to investigate the processes that control the phase composition of tropical clouds. It is shown that the growth of ice is less dependent on vertical velocity than is liquid water, with the control on ice water content being the ice sizes and available liquid water. Results show that in the purely ice region of convective updraughts, the buoyancy is controlled by the ice sizes, demonstrating the importance of microphysical processes on convective dynamics.
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