Articles | Volume 23, issue 11
https://doi.org/10.5194/acp-23-6065-2023
https://doi.org/10.5194/acp-23-6065-2023
Research article
 | 
02 Jun 2023
Research article |  | 02 Jun 2023

Divergent convective outflow in large-eddy simulations

Edward Groot and Holger Tost

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Cited articles

Baumgart, M., Ghinassi, P., Wirth, V., Selz, T., Craig, G. C., and Riemer, M.: Quantitative View on the Processes Governing the Upscale Error Growth up to the Planetary Scale Using a Stochastic Convection Scheme, Mon. Weather Rev., 147, 1713–1731, https://doi.org/10.1175/mwr-d-18-0292.1, 2019. a, b, c, d, e, f
Bierdel, L., Selz, T., and Craig, G.: Theoretical aspects of upscale error growth through the mesoscales: an analytical model, Q. J. Roy. Meteor. Soc., 143, 3048–3059, https://doi.org/10.1002/qj.3160, 2017. a, b
Bierdel, L., Selz, T., and Craig, G. C.: Theoretical aspects of upscale error growth on the mesoscales: Idealized numerical simulations, Q. J. Roy. Meteor. Soc., 144, 682–694, https://doi.org/10.1002/qj.3236, 2018. a, b
Bretherton, C. S. and Smolarkiewicz, P. K.: Gravity Waves, Compensating Subsidence and Detrainment around Cumulus Clouds, J. Atmos. Sci., 46, 740–759, https://doi.org/10.1175/1520-0469(1989)046<0740:GWCSAD>2.0.CO;2, 1989. a, b, c, d, e, f, g, h, i, j, k, l
Bryan, G.: Cloud Model 1, Version 19.8/cm1r19.8, NCAR [code], https://www2.mmm.ucar.edu/people/bryan/cm1/ (last access: 10 January 2023), 2019. a, b
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Short summary
It is shown that the outflow from cumulonimbus clouds or thunderstorms in the upper troposphere and lower stratosphere in idealized high-resolution simulations (LESs) depends linearly on the net amount of latent heat released by the cloud for fixed geometry of the clouds. However, it is shown that, in more realistic situations, convective organization and aggregation (collecting mechanisms of cumulonimbus clouds) affect the amount of outflow non-linearly through non-idealized geometry.
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