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Barotropic Vortex Stability to Perturbations from Axisymmetry
Publisher: American Meteorological Society
Abstract: Tropical cyclones and dynamically similar model vortices robustly maintain a near-axisymmetric horizontal structure where the vortex flow is strongly nonlinear in spite of persistent asymmetric forcing represented by ...
Observational Evidence for Predictions of Tropical Cyclone Propagation Relative to Environmental Steering
Publisher: American Meteorological Society
Abstract: Theories of vortex motion due to the variations of the Coriolis parameter and environmental vorticity are compared to observations of tropical cyclone motion relative to computed ?steering flows? using previously published ...
Northwestward-Propagating Wave Patterns over the Tropical Western North Pacific during Summer
Publisher: American Meteorological Society
Abstract: The possible relationship between northwestward-propagating wave disturbances and tropical cyclones over the tropical western North Pacific during summer is studied using data assimilated by the navy's global model during ...