How the representation of microphysical processes affects tropical condensate in the global storm-resolving model ICON

Naumann, Ann Kristin; Esch, Monika; Stevens, Bjorn

doi:https://doi.org/10.5194/acp-25-6429-2025

Articles | Volume 25, issue 12

https://doi.org/10.5194/acp-25-6429-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-25-6429-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 25, issue 12

Research article

|

27 Jun 2025

Research article |

| 27 Jun 2025

How the representation of microphysical processes affects tropical condensate in the global storm-resolving model ICON

Ann Kristin Naumann, Monika Esch, and Bjorn Stevens

Model code and software

Code for Naumann et al. "How the representation of microphysical processes affects tropical condensate in a global storm-resolving model" Ann Kristin Naumann https://doi.org/10.17617/3.OD9NTK

Short summary

This study explores how uncertainties in the representation of microphysical processes affect the tropical condensate distribution in the global storm-resolving model ICON. The results point to the importance of the fall speed of hydrometeor particles and to a simple relationship: the faster a condensate falls, the less there is of it. Implications for the energy balance and precipitation properties are discussed.