Articles | Volume 21, issue 13
https://doi.org/10.5194/acp-21-10337-2021
https://doi.org/10.5194/acp-21-10337-2021
Research article
 | 
08 Jul 2021
Research article |  | 08 Jul 2021

Convective self–aggregation in a mean flow

Hyunju Jung, Ann Kristin Naumann, and Bjorn Stevens

Model code and software

UCLA Large-Eddy Simulation Code B. Stevens https://github.com/uclales/

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Short summary
We analyze the behavior of organized convection in a large-scale flow by imposing a mean flow to idealized simulations. In the mean flow, organized convection initially propagates slower than the mean wind speed and becomes stationary. The initial upstream and downstream difference in surface fluxes becomes symmetric as the surface momentum flux acts as a drag, resulting in the stationarity. Meanwhile, the surface enthalpy flux has a minor role in the propagation of the convection.
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