Bogus vortex

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bogus vortex

A representation of a tropical vortex based on a blend of observed surface winds and typical tropical storm wind profiles.

Because of limited observations and coarse model resolution for the production of background fields, tropical cyclones are often poorly resolved in operational analyses. To alleviate this problem, a bogus vortex can be used in the analysis of tropical cyclones both in global data assimilation systems and for initial conditions of limited area, high-resolution hurricane models.


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