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Interaction of a cumulus cloud ensemble with the large-scale environment. IA theory of the interaction of a cumulus cloud ensemble with the large-scale environment is developed. In this theory, the large-scale environment is divided into the subcloud mixed layer and the region above. The time changes of the environment are governed by the heat and moisture budget equations for the subcloud mixed layer and for the region above, and by a prognostic equation for the depth of the mixed layer. In the environment above the mixed layer, the cumulus convection affects the temperature and moisture fields through cumulus-induced subsidence and detrainment of saturated air containing liquid water which evaporates in the environment. In the subcloud mixed layer, the cumulus convection does not act directly on the temperature and moisture fields, but it affects the depth of the mixed layer through cumulus-induced subsidence.
Document ID
19740045802
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Arakawa, A.
Schuber, W. H.
(California, University Los Angeles, Calif., United States)
Date Acquired
August 7, 2013
Publication Date
April 1, 1974
Publication Information
Publication: Journal of the Atmospheric Sciences
Volume: 31
Subject Category
Meteorology
Accession Number
74A28552
Funding Number(s)
CONTRACT_GRANT: NGR-05-007-328
CONTRACT_GRANT: NSF GA-34306
Distribution Limits
Public
Copyright
Other

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