Subgrid-scale aerosol–cloud interaction in the atmospheric chemistry model CMA_Meso5.1/CUACE and its impacts on mesoscale meteorology prediction

Zhang, Wenjie; Wang, Hong; Zhang, Xiaoye; Peng, Yue; Liu, Zhaodong; Wang, Deying; Zhang, Da; Han, Chen; Zhao, Yang; Zhong, Junting; Jia, Wenxing; Ning, Huiqiong; Che, Huizheng

doi:https://doi.org/10.5194/acp-25-9005-2025

Articles | Volume 25, issue 16

https://doi.org/10.5194/acp-25-9005-2025

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

https://doi.org/10.5194/acp-25-9005-2025

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

Articles | Volume 25, issue 16

Research article

|

19 Aug 2025

Research article |

| 19 Aug 2025

Subgrid-scale aerosol–cloud interaction in the atmospheric chemistry model CMA_Meso5.1/CUACE and its impacts on mesoscale meteorology prediction

Wenjie Zhang, Hong Wang, Xiaoye Zhang, Yue Peng, Zhaodong Liu, Deying Wang, Da Zhang, Chen Han, Yang Zhao, Junting Zhong, Wenxing Jia, Huiqiong Ning, and Huizheng Che

Supplement

https://doi.org/10.5194/acp-25-9005-2025-supplement

Data sets

MERRA-2 tavg1_2d_aer_Nx: 2d,1-Hourly,Time-averaged,Single-Level,Assimilation,Aerosol Diagnostics V5.12.4 Global Modeling and Assimilation Office (GMAO) https://doi.org/10.5067/KLICLTZ8EM9D

VIIRS Atmosphere L3 Cloud Properties Product, Version-1.1 S. Platnick et al. https://doi.org/10.5067/VIIRS/CLDPROP_D3_VIIRS_SNPP.011

CERES and GEO-Enhanced TOA, Within-Atmosphere and Surface Fluxes, Clouds and Aerosols Daily Terra-NPP Edition1A NASA/LARC/SD/ASDC https://doi.org/10.5067/TERRA+NPP/CERES/SYN1DEG-DAY_L3.01A

GPM IMERG Final Precipitation L3 1 day 0.1 degree x 0.1 degree V07 (GPM_3IMERGDF) G. J. Huffman et al. https://doi.org/10.5067/GPM/IMERGDF/DAY/07

NCEP GDAS/FNL 0.25 Degree Global Tropospheric Analyses and Forecast Grids National Centers for Environmental Prediction/National Weather Service/NOAA/U.S. Department of Commerce https://doi.org/10.5065/D65Q4T4Z

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Short summary

This study achieves quantifiable subgrid-scale aerosol–cloud interaction in an atmospheric chemistry system, with better performance in terms of meteorology prediction, and further finds that subgrid-scale actual aerosol can somewhat improve overestimated cumulative precipitation during a typical heavy rainfall event, which helps us better understand the impact of subgrid-scale aerosol–cloud interaction on weather forecasts.