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The Sensitivity of Simulated Hurricane Development to Cumulus Parameterization Details

Stanley L. RosenthalNational Hurricane and Experimental Meteorology Laboratory, NOAA, Coral Gables, FL 33124

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Abstract

Numerical experiments with an axisymmetric model of the tropical cyclone are described. The model contains a cumulus parameterization of the type proposed by Ooyama (1971). It is shown that the growth of the hurricane scale is significantly affected when the cloud model and the form of the cloud spectrum are altered. The growth of the hurricane is also strongly affected by the manner in which resolvable supersaturation is treated.

Abstract

Numerical experiments with an axisymmetric model of the tropical cyclone are described. The model contains a cumulus parameterization of the type proposed by Ooyama (1971). It is shown that the growth of the hurricane scale is significantly affected when the cloud model and the form of the cloud spectrum are altered. The growth of the hurricane is also strongly affected by the manner in which resolvable supersaturation is treated.

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