Articles | Volume 23, issue 11
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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Divergent convective outflow in ICON deep convection-permitting and parameterised deep convection simulations
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Evolution of squall line variability and error growth in an ensemble of large eddy simulations
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Analysis of variability in divergence and turn-over induced by three idealized convective systems with a 3D cloud resolving model
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Subject: Dynamics | Research Activity: Atmospheric Modelling and Data Analysis | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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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,, 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,, 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,, 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,<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], (last access: 10 January 2023), 2019. a, b
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.
Final-revised paper