A Three-Dimensional Tropical Cyclone Model with Release of Latent Heat by the Resolvable Scales
Open Access
- 1 May 1980
- journal article
- Published by American Meteorological Society in Journal of the Atmospheric Sciences
- Vol. 37 (5) , 930-938
- https://doi.org/10.1175/1520-0469(1980)037<0930:atdtcm>2.0.co;2
Abstract
Preliminary results are presented for a new three-dimensional tropical cyclone model that is unusual because the cumulus parameterization has been replaced by release of latent heat by scales of motion that are resolved by the grid. As a result, deep convective cells are formed in the model. Essentially all of the convective cells occur on the fine (10 km) mesh of a triply nested grid. These Cells form in clusters that propagate downwind. As the vortex grows, the clusters become organized into an eyewall and sometimes into spiral bands. Spiral bands without convection are also present. A model vortex is integrated from tropical storm strength to a mature hurricane. The maximum low-level wind is 82 m s−1 and the minimum sea level pressure is 880 mb in the mature stage.Keywords
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