Intensity of thunderstorm-generated turbulence revealed by large-eddy simulation

Thunderstorms are characterized by turbulent processes that constitute an important aviation hazard and cause vertical transport of atmospheric constituents. Turbulence occurs within cloud and in the surrounding clear air, but, despite its importance, the characteristics of thunderstorm-generated turbulence and its spatial distribution are poorly understood, especially outside of cloud. Here we use large-eddy simulation to characterize turbulence generated by a canonical thunderstorm. The simulation identifies regions of notable three-dimensional anisotropic turbulence more than 5 km above the storm, in a shallow layer above the storm's anvil, and a horizontally asymmetric pattern of weaker turbulence that extends more than 50 km horizontally away from the cloud. Our results provide the first continuous estimate of turbulence intensity in and around thunderstorms and represent a major step toward improved turbulence avoidance methods. The results have broader implications for understanding the fundamental aspects of how thunderstorms affect their environment through vertical exchange processes.

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Copyright 2014 American Geophysical Union.


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Author Lane, T.
Sharman, Robert D.
Publisher UCAR/NCAR - Library
Publication Date 2014-03-28T00:00:00
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Topic Category geoscientificInformation
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Metadata Date 2025-07-12T00:09:35.607490
Metadata Record Identifier edu.ucar.opensky::articles:14034
Metadata Language eng; USA
Suggested Citation Lane, T., Sharman, Robert D.. (2014). Intensity of thunderstorm-generated turbulence revealed by large-eddy simulation. UCAR/NCAR - Library. https://n2t.org/ark:/85065/d7qj7j7k. Accessed 15 August 2025.

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