| contributor author | Terwey, Wesley D. | |
| contributor author | Montgomery, Michael T. | |
| date accessioned | 2017-06-09T14:37:49Z | |
| date available | 2017-06-09T14:37:49Z | |
| date copyright | 2002/08/01 | |
| date issued | 2002 | |
| identifier issn | 0022-4928 | |
| identifier other | ams-23160.pdf | |
| identifier uri | http://onlinelibrary.yabesh.ir/handle/yetl/4159691 | |
| description abstract | A recent study using a discrete three-region nondivergent approximation for the inner-core region of a mature hurricane-like vortex fails to catch wavenumber-2 azimuthal shear instabilities that are observed in experiments and predicted by similar continuous model representations. With hurricane applications in mind, a generalized version of a piecewise uniform three-region vortex model is presented. The necessary and sufficient criteria for wavenumber-2 and -m instabilities are derived and discussed. The peculiar dynamics of vortex Rossby waves on a discrete circular waveguide elucidate why wavenumber-2 instabilities have been difficult to find in previous analyses and also demonstrate some of the idiosyncrasies of the discrete model. The physical structure of the instabilities is also briefly examined. | |
| publisher | American Meteorological Society | |
| title | Wavenumber-2 and Wavenumber-m Vortex Rossby Wave Instabilities in a Generalized Three-Region Model | |
| type | Journal Paper | |
| journal volume | 59 | |
| journal issue | 16 | |
| journal title | Journal of the Atmospheric Sciences | |
| identifier doi | 10.1175/1520-0469(2002)059<2421:WAWMVR>2.0.CO;2 | |
| journal fristpage | 2421 | |
| journal lastpage | 2427 | |
| tree | Journal of the Atmospheric Sciences:;2002:;Volume( 059 ):;issue: 016 | |
| contenttype | Fulltext | |
