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RISOn the Use of Doppler Radar–Derived Wind Fields to Diagnose the Secondary Circulations of Tornadoes
Publisher: American Meteorological Society
Abstract: number of studies in recent years have used wind fields derived from portable Doppler radars in combination with the ground-based velocity track display (GBVTD) technique to diagnose the primary (tangential) and secondary ...
A New Scaling for Tornado-Like Vortices
Publisher: American Meteorological Society
Abstract: A new approach is presented for the nondimensionalization of the Navier?Stokes equations for tornado-like vortices. This scaling is based on the results of recent numerical simulations and physical reasoning. The method ...
Balanced and Radiating Wave Responses to Diurnal Heating in Tropical Cyclone–Like Vortices Using a Linear Nonhydrostatic Model
Publisher: American Meteorological Society
Abstract: AbstractThe diurnal cycle (DC) in the cirrus canopy of tropical cyclones (TCs) is a well-documented phenomenon. While early studies linked the DC in the area of the cirrus canopy to a DC in the strength of eyewall convection, ...
The Response of the Near-Surface Tropical Cyclone Wind Field to Inland Surface Roughness Length and Soil Moisture Content during and after Landfall
Publisher: American Meteorological Society
The Dynamic Response of the Hurricane Wind Field to Spiral Rainband Heating
Publisher: American Meteorological Society
Abstract: The response of the hurricane wind field to spiral rainband heating is examined by using a three-dimensional, nonhydrostatic, linear model of the vortex?anelastic equations. Diabatic heat sources, which are designed in ...
Linear Anelastic Equations for Atmospheric Vortices
Publisher: American Meteorological Society
Abstract: A linear anelastic-vortex model is derived using assumptions appropriate to waves on vortices with scales similar to tropical cyclones. The equation set is derived through application of a multiple-scaling technique, such ...
Do Gravity Waves Transport Angular Momentum away from Tropical Cyclones?
Publisher: American Meteorological Society
Abstract: Previous studies have suggested that gravity waves can transport a significantly large amount of angular momentum away from tropical cyclones, as much as 10% of the core angular momentum per hour. These previous studies ...
Spiral Rainbands in a Numerical Simulation of Hurricane Bill (2009). Part I: Structures and Comparisons to Observations
Publisher: American Meteorological Society
Abstract: his study examines spiral rainbands in a numerical simulation of Hurricane Bill (2009). This paper, the first part of the study, evaluates the structures of spiral rainbands and compares them to previous observations. Four ...
Spiral Rainbands in a Numerical Simulation of Hurricane Bill (2009). Part II: Propagation of Inner Rainbands
Publisher: American Meteorological Society
Abstract: his is the second part of a study that examines spiral rainbands in a numerical simulation of Hurricane Bill (2009). This paper evaluates whether the propagation of inner rainbands in the Hurricane Bill simulation is ...
The Influence of Oceanic Barrier Layers on Tropical Cyclone Intensity as Determined through Idealized, Coupled Numerical Simulations
Publisher: American Meteorological Society
Abstract: AbstractThe connection relating upper-ocean salinity stratification in the form of oceanic barrier layers to tropical cyclone (TC) intensification is investigated in this study. Previous works disagree on whether ocean ...