Articles | Volume 18, issue 5
https://doi.org/10.5194/acp-18-3619-2018
https://doi.org/10.5194/acp-18-3619-2018
Research article
 | 
13 Mar 2018
Research article |  | 13 Mar 2018

Model simulations with COSMO-SPECS: impact of heterogeneous freezing modes and ice nucleating particle types on ice formation and precipitation in a deep convective cloud

Karoline Diehl and Verena Grützun

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Latest update: 22 Nov 2024
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Short summary
In deep convective clouds reaching altitudes of 14 km, heavy rain is often formed involving the ice phase. Ice nucleating particles (INPs) are responsible for heterogeneous freezing at middle and lower altitudes. Cloud model simulations indicate that INPs may effect a gradual increase in precipitation at early cloud stages instead of a strong increase at later cloud stages. Simultaneously, the local distribution of precipitation is changed, with more precipitation in the cloud center.
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