Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 24, issue 20
Articles | Volume 24, issue 20
https://doi.org/10.5194/acp-24-11849-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-11849-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 24, issue 20
Research article
 | 
24 Oct 2024
Research article |  | 24 Oct 2024

High ice water content in tropical mesoscale convective systems (a conceptual model)

Alexei Korolev, Zhipeng Qu, Jason Milbrandt, Ivan Heckman, Mélissa Cholette, Mengistu Wolde, Cuong Nguyen, Greg M. McFarquhar, Paul Lawson, and Ann M. Fridlind

Supplement

https://doi.org/10.5194/acp-24-11849-2024-supplement

Data sets

Cayenne NRC Convair 1D Data Alexei Korolev and Ivan Heckman https://doi.org/10.26023/PSC2-TTQS-390A

Model code and software

The Global Environmental Multiscale Model (GEM) (version 5.1.0-rc3) Environment and Climate Change Canada https://github.com/ECCC-ASTD-MRD/gem/tree/5.1.0-rc3icrophysics

The Predicted Particle Properties (P3) bulk microphysics scheme Environment and Climate Change Canada and National Center for Atmospheric Research https://github.com/P3-microphysics/P3-microphysics

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Short summary
The phenomenon of high ice water content (HIWC) occurs in mesoscale convective systems (MCSs) when a large number of small ice particles with typical sizes of a few hundred micrometers is found at high altitudes. It was found that secondary ice production in the vicinity of the melting layer plays a key role in the formation and maintenance of HIWC. This study presents a conceptual model of the formation of HIWC in tropical MCSs based on in situ observations and numerical simulation. 
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