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RISEffects of Vertical Shears and Midlevel Dry Air on Tropical Cyclone Developments
Publisher: American Meteorological Society
Abstract: set of idealized experiments using the Weather Research and Forecasting model (WRF) were designed to investigate the impacts of a midlevel dry air layer, vertical shear, and their combined effects on tropical cyclone (TC) ...
Cyclogenesis Simulation of Typhoon Prapiroon (2000) Associated with Rossby Wave Energy Dispersion
Publisher: American Meteorological Society
Abstract: The genesis of Typhoon Prapiroon (2000), in the western North Pacific, is simulated to understand the role of Rossby wave energy dispersion of a preexisting tropical cyclone (TC) in the subsequent genesis event. Two ...
Impact of Secondary Eyewall Heating on Tropical Cyclone Intensity Change
Publisher: American Meteorological Society
Abstract: The primary goal of this study is to explore the factors that might influence the intensity change of tropical cyclones (TCs) associated with secondary eyewall replacement. Concentric eyewall structures in TCs with and ...
Tropical Cyclogenesis Associated with Rossby Wave Energy Dispersion of a Preexisting Typhoon. Part II: Numerical Simulations
Publisher: American Meteorological Society
Abstract: The cyclogenesis events associated with the tropical cyclone (TC) energy dispersion are simulated in a 3D model. A new TC with realistic dynamic and thermodynamic structures forms in the wake of a preexisting TC when a ...
Performance of a Dynamic Initialization Scheme in the Coupled Ocean–Atmosphere Mesoscale Prediction System for Tropical Cyclones (COAMPS-TC)
Publisher: American Meteorological Society
Abstract: dynamic initialization scheme for tropical cyclone structure and intensity in numerical prediction systems is described and tested. The procedure involves the removal of the analyzed vortex and, then, insertion of a new ...
Importance of the Vertical Resolution in Simulating SST Diurnal and Intraseasonal Variability in an Oceanic General Circulation Model
Publisher: American Meteorological Society
Abstract: n this paper, the influence of high vertical resolution near the surface in an oceanic general circulation model in simulating the observed sea surface temperature (SST) variability is investigated. In situ observations ...
Monsoonal Influence on Typhoon Morakot (2009). Part II: Numerical Study
Publisher: American Meteorological Society
Abstract: n the second part of this study, numerical experiments are conducted to investigate the influences of multi-time-scale monsoonal flows on the track change of Typhoon Morakot (2009). While the control simulation captures ...
Tropical Cyclone Energy Dispersion in a Three-Dimensional Primitive Equation Model: Upper-Tropospheric Influence
Publisher: American Meteorological Society
Abstract: The three-dimensional (3D) Rossby wave energy dispersion of a tropical cyclone (TC) is studied using a baroclinic primitive equation model. The model is initialized with a symmetric vortex on a beta plane in an environment ...
A 3DVAR-Based Dynamical Initialization Scheme for Tropical Cyclone Predictions
Publisher: American Meteorological Society
Abstract: combined tropical cyclone dynamic initialization?three-dimensional variational data assimilation scheme (TCDI?3DVAR) is proposed. The specific procedure for the new initialization scheme is described as follows. First, a ...
Sensitivity of Tropical Cyclone Track to the Vertical Structure of a Nearby Monsoon Gyre
Publisher: American Meteorological Society
Abstract: AbstractThe impact of different vertical structures of a nearby monsoon gyre (MG) on a tropical cyclone (TC) track is investigated using idealized numerical simulations. In the experiment with a relatively deeper MG, the ...