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Airborne radar observations of rainband structure in Hurricane Ophelia (2005)

Date

2017

Authors

Razin, Naufal, author
Bell, Michael M., author

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Abstract

One of the mechanisms proposed for the spin-up of the tropical cyclone (TC) mean tangential (swirling) circulation is the convergence of absolute angular momentum above the boundary layer in the outer-core region, which results in the broadening of the TC wind field. Mid-level inflow associated with TC rainband stratiform precipitation may be instrumental in spinning up the broader circulation and may be important in the development of secondary eyewalls. This analysis shows the concurrent presence of an elevated tangential wind maximum and a distinct mid-level inflow in the stratiform region, consistent with the proposed mechanism for TC intensity change.

Description

Includes bibliographical references.

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Subject

hurricane
rainbands
convective
stratiform

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