Articles | Volume 21, issue 19
https://doi.org/10.5194/acp-21-14557-2021
https://doi.org/10.5194/acp-21-14557-2021
Research article
 | 
01 Oct 2021
Research article |  | 01 Oct 2021

Contrasting characteristics of open- and closed-cellular stratocumulus cloud in the eastern North Atlantic

Michael P. Jensen, Virendra P. Ghate, Dié Wang, Diana K. Apoznanski, Mary J. Bartholomew, Scott E. Giangrande, Karen L. Johnson, and Mandana M. Thieman

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Cited articles

Albrecht, B. A., Jensen, M. P., and Syrett, W.J.: Marine boundary layer structure and fractional cloudiness, J. Geophys. Res., 100, 14209–14222, https://doi.org/10.1029/95JD00827,1995. 
Atmospheric Radiation Measurement (ARM) user facility: Balloon-borne Sounding System (SONDEWNPN). 2013-09-28 to 2020-12-07, updated hourly, Eastern North Atlantic (ENA) Graciosa Island, Azores, Portugal (C1), compiled by: Keeler, E., Coulter, R., Kyrouac, J., and Holdridge, D., ARM Data Center [data set], https://doi.org/10.5439/1021460, 2013. 
Atmospheric Radiation Measurement (ARM) user facility: MWR Retrievals with MWRRET Version 2 (MWRRET2TURN). 2014-05-01 to 2019-10-30, updated hourly, Eastern North Atlantic (ENA) Graciosa Island, Azores, Portugal (C1). ARM Data Center [data set], https://doi.org/10.5439/1393437, 2014a. 
Atmospheric Radiation Measurement (ARM) user facility: Video Disdrometer (VDISDROPS). 2014-10-31 to 2020-12-04, updated hourly, Eastern North Atlantic (ENA) Graciosa Island, Azores, Portugal (C1), compiled by: Wang, D., and Bartholomew, M., ARM Data Center [data set], https://doi.org/10.5439/1025316, 2014b. 
Atmospheric Radiation Measurement (ARM) user facility: Active Remote Sensing of Clouds (ARSCL) product using Ka-band ARM Zenith Radars, 2015-07-17 to 2019-12-19, updated hourly, Eastern North Atlantic (ENA) Graciosa Island, Azores, Portugal (C1), compiled by: Johnson, K., and Scott, T., ARM Data Center [data set], https://doi.org/10.5439/1393437, 2015. 
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Short summary
This work compares the large-scale meteorology, cloud, aerosol, precipitation, and thermodynamics of closed- and open-cell cloud organizations using long-term observations from the astern North Atlantic. Open-cell cases are associated with cold-air outbreaks and occur in deeper boundary layers, with stronger winds and higher rain rates compared to closed-cell cases. These results offer important benchmarks for model representation of boundary layer clouds in this climatically important region.
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