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Midlevel Ventilation’s Constraint on Tropical Cyclone Intensity
Publisher: American Meteorological Society
Abstract: Midlevel ventilation, or the flux of low-entropy air into the inner core of a tropical cyclone (TC), is a hypothesized mechanism by which environmental vertical wind shear can constrain a tropical cyclone?s intensity. An ...
Coupled Dynamic-Thermodynamic Forcings during Tropical Cyclogenesis: Part II. Axisymmetric Experiments
Publisher: American Meteorological Society
Abstract: n ensemble of axisymmetric model experiments with simplified physics is used to evaluate the diagnostic framework presented in Part I. The central piece of the framework is understanding what causes decreases in the ratio ...
Coupled Dynamic-Thermodynamic Forcings during Tropical Cyclogenesis: Part I. Diagnostic Framework
Publisher: American Meteorological Society
Abstract: diagnostic framework to investigate the role of processes around and during tropical cyclogenesis is presented. The key framework metric is the ratio of bulk differences of moist entropy over differences of angular momentum ...
Sensitivity of Tropical Cyclone Intensity to Ventilation in an Axisymmetric Model
Publisher: American Meteorological Society
Abstract: he sensitivity of tropical cyclone intensity to ventilation of cooler, drier air into the inner core is examined using an axisymmetric tropical cyclone model with parameterized ventilation. Sufficiently strong ventilation ...
A Ventilation Index for Tropical Cyclones
Publisher: American Meteorological Society
Abstract: ant environmental control of both tropical cyclone intensity and genesis is vertical wind shear. One hypothesized pathway by which vertical shear affects tropical cyclones is midlevel ventilation?or the flux of low-entropy ...
Adopting Model Uncertainties for Tropical Cyclone Intensity Prediction
Publisher: American Meteorological Society
Abstract: uantifying and reducing the uncertainty of model parameterizations using observations is evaluated for tropical cyclone (TC) intensity prediction. This is accomplished using a nonlinear inverse modeling technique that ...
Point Downscaling of Surface Wind Speed for Forecast Applications
Publisher: American Meteorological Society
Abstract: AbstractA statistical downscaling algorithm is introduced to forecast surface wind speed at a location. The downscaling algorithm consists of resolved and unresolved components to yield a time series of synthetic wind ...
Diverging Behaviors of Simulated Tropical Cyclones in Moderate Vertical Wind Shear
Publisher: American Meteorological Society
Tropical Cyclone Tilt and Precession in Moderate Shear: Precession Hiatus in a Critical Shear Regime
Publisher: American Meteorological Society
Tropical Cyclone Boundary Layer Asymmetries in a Tilt-Following Perspective
Publisher: American Meteorological Society
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