On the Stability of a Moist Atmosphere in the Presence of a Background Wind

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  • 1 Dept. of Mechanical Engineering Sciences, Wayne State University, Detroit, Mich. 48202
  • | 2 Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder 80302
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Abstract

Sufficient conditions for the stability of a moist atmosphere, with possible condensation occurring, in the presence of a background wind are given. The atmosphere is assumed saturated at all heights, and only frequencies below the audible range are considered. It is shown that the effect of condensation is essentially that of reducing the Brunt-Väisälä frequency and hence of decreasing the stability of the system.

Abstract

Sufficient conditions for the stability of a moist atmosphere, with possible condensation occurring, in the presence of a background wind are given. The atmosphere is assumed saturated at all heights, and only frequencies below the audible range are considered. It is shown that the effect of condensation is essentially that of reducing the Brunt-Väisälä frequency and hence of decreasing the stability of the system.

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