On the Ekman Layer in a circular Vortex
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This article is published in Journal of the Meteorological Society of Japan.The article was published on 1971-01-01 and is currently open access. It has received 88 citations till now. The article focuses on the topics: Ekman layer & Vortex ring.read more
Citations
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The extratropical transition of tropical cyclones : forecast challenges, current understanding, and future directions
Sarah C. Jones,Patrick A. Harr,Jim Abraham,Lance F. Bosart,Peter J. Bowyer,Jenni L. Evans,Deborah E. Hanley,Barry N. Hanstrum,Robert E. Hart,François Lalaurette,Mark R. Sinclair,Robert K. Smith,Chris D. Thorncroft +12 more
TL;DR: In this article, the challenges associated with forecasting extratropical transition are described in terms of the forecast variables (track, intensity, surface winds, precipitation) and their impacts (flooding, bush fires, ocean response).
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Tropical cyclogenesis in a tropical wave critical layer: easterly waves
TL;DR: In this paper, the development of tropical depression within tropical waves over the Atlantic and eastern Pacific is usually preceded by a "surface low along the wave" as if to suggest a hybrid wave-vortex structure in which flow streamlines not only undulate with the waves, but form a closed circulation in the lower troposphere surrounding the low.
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The Dynamics of Boundary Layer Jets within the Tropical Cyclone Core. Part I: Linear Theory
TL;DR: In this article, a linear analytical model of the boundary layer flow in a translating tropical cyclone is presented, which is an extension of the classical Ekman boundary layer model, as well as of earlier w...
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Tropical Cyclone Intensification from Asymmetric Convection: Energetics and Efficiency
TL;DR: In this paper, the linear response to asymmetric heating of a balanced vortex is approximated by computing the purely symmetric response to the azimuthally averaged heating, and the model equations have been changed to be more consistent with the anelastic approximation, but valid for a radially varying reference state.
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On the Characteristic Height Scales of the Hurricane Boundary Layer
TL;DR: In this article, data from 794 GPS dropsondes deployed by research aircraft in 13 hurricanes are analyzed to study the characteristic heightscales of the hurricane boundary layer, and the results show that there is a clear separation of the thermodynamical and dynamical boundary layer heights.
References
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Numerical Simulation of the Life Cycle of Tropical Cyclones
TL;DR: In this paper, the basic mechanism of tropical cyclones was investigated by constructing a numerical-dynamical model on such a model, and the model showed that the energy required for driving the vortex comes from the latent heat of condensation released by tall convective clouds around the center, and that the frictionally induced inflow in the vortex plays a major role in supporting the continued activity of convective cloud.
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On a time-dependent motion of a rotating fluid
H. P. Greenspan,L. N. Howard +1 more
TL;DR: In this article, the authors consider the way in which the state of rigid rotation of a contained viscous fluid is established, and they find that the motion consists of three distinct phases, namely, the development of the Ekman layer, the inviscid fluid spin-up, and the viscous decay of residual oscillations.
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Skin Friction of the Wind on the Earth's Surface
TL;DR: In this paper, it was shown that the tangential force exerted by the wind as it blows over a large tract of land, it should be equal to the skin friction on a similar small surface when subjected to the action of the very high wind which would correspond with the same value of l V/v.
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Numerical Simulation of Tropical Cyclone Development with the Use of Primitive Equations
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A circularly symmetric primitive equation model of tropical cyclone development containing an explicit water vapor cycle
TL;DR: In this article, the tropical cyclone model described in previous reports is extended to include an explicit water vapor cycle, and experiments that examine effects due to initial humidity conditions, radial resolution, and the finite-difference scheme are discussed.