Articles | Volume 19, issue 7
Atmos. Chem. Phys., 19, 5111–5126, 2019
https://doi.org/10.5194/acp-19-5111-2019

Special issue: Arctic mixed-phase clouds as studied during the ACLOUD/PASCAL...

Atmos. Chem. Phys., 19, 5111–5126, 2019
https://doi.org/10.5194/acp-19-5111-2019

Research article 16 Apr 2019

Research article | 16 Apr 2019

Classification of Arctic multilayer clouds using radiosonde and radar data in Svalbard

Maiken Vassel et al.

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Subject: Clouds and Precipitation | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Andronache, C. (Ed.): Mixed-Phase Clouds, Elsevier, 1 Edn., the Netherlands, UK, USA, 2018. a
Avramov, A. and Harrington, J. Y.: Influence of parameterized ice habit on simulated mixed phase Arctic clouds, J. Geophys. Res.-Atmos., 115, D03205, https://doi.org/10.1029/2009JD012108, 2010. a
Barrett, A. I., Hogan, R. J., and Forbes, R. M.: Why are mixed-phase altocumulus clouds poorly predicted by large-scale models? Part 1. Physical processes, J. Geophys. Res.-Atmos., 122, 9903–9926, 2017a. a
Barrett, A. I., Hogan, R. J., and Forbes, R. M.: Why are mixed-phase altocumulus clouds poorly predicted by large-scale models? Part 2. Vertical resolution sensitivity and parameterization, J. Geophys. Res.-Atmos., 122, 9927–9944, 2017b. a
Christensen, M. W., Carrió, G. G., Stephens, G. L., and Cotton, W. R.: Radiative impacts of free-tropospheric clouds on the properties of marine stratocumulus, J. Atmos. Sci., 70, 3102–3118, 2013. a
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Multilayer clouds are coexisting clouds at different heights. We evaluate measurements and find that Arctic multilayer clouds occur in 29 % of the investigated days at Ny-Ålesund, Svalbard. Multilayer clouds can interact by ice crystals falling from the upper cloud into the lower cloud. This is possible in 23 % of the investigated days, and in 9 % it is not possible. Weather models are still error-prone in the Arctic and we suggest that multilayer clouds should be included more in future work.
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