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ACP | Articles | Volume 19, issue 15
Atmos. Chem. Phys., 19, 9769–9786, 2019
https://doi.org/10.5194/acp-19-9769-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 19, 9769–9786, 2019
https://doi.org/10.5194/acp-19-9769-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 02 Aug 2019

Research article | 02 Aug 2019

Subsiding shells and the distribution of up- and downdraughts in warm cumulus clouds over land

Christian Mallaun et al.

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Cited articles

Abma, D., Heus, T., and Mellado, J. P.: Direct Numerical Simulation of Evaporative Cooling at the Lateral Boundary of Shallow Cumulus Clouds, J. Atmos. Sci., 70, 2088–2102, https://doi.org/10.1175/JAS-D-12-0230.1, 2013. a, b
Blyth, A. M., Lasher-Trapp, S. G., and Cooper, W. A.: A study of thermals in cumulus clouds, Q. J. Roy. Meteor. Soc., 131, 1171–1190, https://doi.org/10.1256/qj.03.180, 2005. a, b
Buck, A. L.: the variable-path Lyman-alpha hygrometer and its operating characteristics, B. Am. Meteorol. Soc., 57, 1113–1119, https://doi.org/10.1175/1520-0477(1976)057<1113:tvplah>2.0.co;2, 1976. a
Efron, B.: Bootstrap Methods: Another Look at the Jackknife, Ann. Statist., 7, 1–26, available at: https://projecteuclid.org:443/euclid.aos/1176344552 (last access: 23 July 2019), 1979. a
Heus, T. and Jonker, H. J. J.: Subsiding Shells around Shallow Cumulus Clouds, J. Atmos. Sci., 65, 1003–1018, https://doi.org/10.1175/2007JAS2322.1, 2008. a, b, c, d, e, f, g, h
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This study presents airborne measurements in shallow convection over land to investigate the dynamic properties of clouds focusing on possible narrow downdraughts in the surrounding of the clouds. A characteristic narrow downdraught region (subsiding shell) is found directly outside the cloud borders for the mean vertical wind distribution. The subsiding shell results from the distribution of the highly variable updraughts and downdraughts in the near vicinity of the cloud.
This study presents airborne measurements in shallow convection over land to investigate the...
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