A bin microphysics parcel model  investigation of secondary ice formation  in an idealised shallow convective cloud

James, Rachel L.; Crosier, Jonathan; Connolly, Paul J.

doi:https://doi.org/10.5194/acp-23-9099-2023

Articles | Volume 23, issue 16

https://doi.org/10.5194/acp-23-9099-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-23-9099-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 23, issue 16

Research article

|

17 Aug 2023

Research article |

| 17 Aug 2023

A bin microphysics parcel model investigation of secondary ice formation in an idealised shallow convective cloud

Rachel L. James, Jonathan Crosier, and Paul J. Connolly

Supplement

https://doi.org/10.5194/acp-23-9099-2023-supplement

Data sets

A bin-microphysics parcel model investigation of secondary ice formation in an idealised shallow convective cloud R. James, J. Crosier, and P. J. Connolly https://doi.org/10.48420/c.6238311.v2

Model code and software

Bin-microphysics Model P. J. Connolly https://github.com/UoM-maul1609/bin-microphysics-model

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Short summary

Secondary ice production (SIP) may significantly enhance the ice particle concentration in mixed-phase clouds. We present a systematic modelling study of secondary ice formation in idealised shallow convective clouds for various conditions. Our results suggest that the SIP mechanism of collisions of supercooled water drops with more massive ice particles may be a significant ice formation mechanism in shallow convective clouds outside the rime-splintering temperature range (−3 to −8 °C).