Articles | Volume 20, issue 4
https://doi.org/10.5194/acp-20-1921-2020
https://doi.org/10.5194/acp-20-1921-2020
Research article
 | 
20 Feb 2020
Research article |  | 20 Feb 2020

The structure of turbulence and mixed-phase cloud microphysics in a highly supercooled altocumulus cloud

Paul A. Barrett, Alan Blyth, Philip R. A. Brown, and Steven J. Abel

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Cited articles

Abel, S., Cotton, R., Barrett, P., and Vance, A.: A comparison of ice water content measurement techniques on the FAAM BAe-146 aircraft, Atmos. Meas. Tech., 7, 3007–3022, https://doi.org/10.5194/amt-7-3007-2014, 2014. a
Abel, S. J., Boutle, I. A., Waite, K., Fox, S., Brown, P. R., Cotton, R., Lloyd, G., Chourlarton, T., and Bower, K. N.: The role of precipitation in controlling the transition from stratocumulus to cumulus clouds in a northern hemisphere cold-air outbreak, J. Atmos. Sci., 74, 2293–2314, https://doi.org/10.1175/JAS-D-16-0362.1, 2017. a, b
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Ansmann, A., Tesche, M., Seifert, P., Althausen, D., Englemann, R., Fruntke, J., Wandinger, U., Mattis, I., and Müller, D.: Evolution of the ice phase in tropical altocumulus: SAMUM lidar observations over Cape Verde, J. Geophys. Res., 114, 1–20, https://doi.org/10.1029/2008JD011658, 2009. a, b, c, d, e
Bailey, M. and Hallett, J.: A Comprehensive Habit Diagram for Atmospheric Ice Crystals: Confirmation from the Laboratory, AIRS II and Other Field Studies, J. Atmos. Sci., 66, 2888–2899, 2009. a
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Here we present new in situ observations from altocumulus clouds made with a research aircraft. By carefully measuring the cloud top height, we are able to study the turbulence and cloud properties in high vertical resolution, something not presented before. The clouds contain both ice particles and liquid drops, even though the temperature is −30 °C. These measurements will hopefully assist future developers of climate models to verify and assess the performance of simulations.
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