Articles | Volume 23, issue 11
https://doi.org/10.5194/acp-23-6409-2023
https://doi.org/10.5194/acp-23-6409-2023
Research article
 | 
12 Jun 2023
Research article |  | 12 Jun 2023

Aerosol–cloud–radiation interaction during Saharan dust episodes: the dusty cirrus puzzle

Axel Seifert, Vanessa Bachmann, Florian Filipitsch, Jochen Förstner, Christian M. Grams, Gholam Ali Hoshyaripour, Julian Quinting, Anika Rohde, Heike Vogel, Annette Wagner, and Bernhard Vogel

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Cited articles

Ansmann, A., Mamouri, R.-E., Bühl, J., Seifert, P., Engelmann, R., Hofer, J., Nisantzi, A., Atkinson, J. D., Kanji, Z. A., Sierau, B., Vrekoussis, M., and Sciare, J.: Ice-nucleating particle versus ice crystal number concentrationin altocumulus and cirrus layers embedded in Saharan dust:a closure study, Atmos. Chem. Phys., 19, 15087–15115, https://doi.org/10.5194/acp-19-15087-2019, 2019. a
Antonanzas, J., Osorio, N., Escobar, R., Urraca, R., de Pison, F. M., and Antonanzas-Torres, F.: Review of photovoltaic power forecasting, Sol. Energy, 136, 78–111, https://doi.org/10.1016/j.solener.2016.06.069, 2016. a
Baldauf, M., Seifert, A., Förstner, J., Majewski, D., Raschendorfer, M., and Reinhardt, T.: Operational convective-scale numerical weather prediction with the COSMO model: Description and sensitivities, Mon. Weather Rev., 139, 3887–3905, 2011. a
Bunn, P. T. W., Holmgren, W. F., Leuthold, M., and Castro, C. L.: Using GEOS-5 forecast products to represent aerosol optical depth in operational day-ahead solar irradiance forecasts for the southwest United States, J. Renew. Sustain. Ener., 12, 053702, https://doi.org/10.1063/5.0020785, 2020. a
Caffrey, P. F., Fromm, M. D., and Kablick III, G. P.: WRF-Chem simulation of an East Asian dust-infused baroclinic storm (DIBS), J. Geophys. Res., 123, 6880–6895, https://doi.org/10.1029/2017JD027848, 2018. a
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Short summary
We investigate how mineral dust can lead to the formation of cirrus clouds. Dusty cirrus clouds lead to a reduction in solar radiation at the surface and, hence, a reduced photovoltaic power generation. Current weather prediction systems are not able to predict this interaction between mineral dust and cirrus clouds. We have developed a new physical description of the formation of dusty cirrus clouds. Overall we can show a considerable improvement in the forecast quality of clouds and radiation.
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