Large-eddy simulation of organized precipitating trade wind cumulus clouds
Item
Title (Dublin Core)
Large-eddy simulation of organized precipitating trade wind cumulus clouds
Description (Dublin Core)
Trade wind cumulus clouds often organize in along-wind cloud streets and across-wind mesoscale arcs. We present a benchmark large-eddy simulation which resolves the individual clouds as well as the mesoscale organization on scales of O(10 km). Different methods to quantify organization of cloud fields are applied and discussed. Using perturbed physics large-eddy simulation experiments, the processes leading to the formation of cloud clusters and the mesoscale arcs are revealed. We find that both cold pools as well as the sub-cloud layer moisture field are crucial to understand the organization of precipitating shallow convection. Further sensitivity studies show that microphysical assumptions can have a pronounced impact on the onset of cloud organization.
Creator (Dublin Core)
Seifert, A.
Heus, T.
Date (Dublin Core)
2018-01-15
Type (Dublin Core)
Text
Format (Dublin Core)
application/pdf
Identifier (Dublin Core)
10.5194/acp-13-5631-2013
https://acp.copernicus.org/articles/13/5631/2013/
Source (Dublin Core)
eISSN: 1680-7324
Language (Dublin Core)
eng
