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Horizontal asymmetries in a numerical model of a hurricane
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1971
[PDF-9.80 MB]
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Description:Statistical techniques are employed to investigate the development and structure of horizontal asymmetries in the numerical model of a hurricane developed by Anthes et al. (1971a). Strong asymmetries in the momentum and temperature fields develop in the outflow layer at approximately 120 hours. Weaker asymmetries also develop in the inflow layer at this time. Harmonic analyses are used to determine the predominant scale of asymmetries. Detailed spatial analyses are carried out for the momentum and temperature fields in the mature asymmetric stage of the model. The analyses are compared to observational data compiled by Black and Anthes (1971). The results show that the model reproduces many observed features of a three-dimensional tropical cyclone.
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Rights Information:CC0 Public Domain
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