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Inertial and Frictional Effects on Stratified Hydrostatic Airflow past an Isolated Heat Source
Publisher: American Meteorological Society
Abstract: Inertial and frictional effects on stratified hydrostatic airflow past an isolated warm region are investigated by linear theories. For an inviscid quasi-geostrophic flow, there exists in the lower layer upward motion ...
A Theory of Cyclogenesis Forced by Diabatic Heating. Part II: A Semigeostrophic Approach
Publisher: American Meteorological Society
Abstract: A linear quasi-geostrophic theory of coastal cyclogenesis proposed by Lin has been extended by a semigeostrophic model. The response of an east?west backsheared, quasi-geostrophic baroclinic flow over an isolated heat ...
A Theory of Cyclogenesis Forced by Diabatic Heating. Part I: A Quasi-geostrophic Approach
Publisher: American Meteorological Society
Abstract: A quasi-geostrophic theory of cyclogenesis forced by a low-level diabatic heating in a backsheared baroclinic flow is proposed. Existence of wind reversal in one direction of the basic flow is an essential criterion to ...
Two-Dimensional Response of a Stably Stratified Shear Flow to Diabatic Heating
Publisher: American Meteorological Society
Abstract: A two-dimensional, linearized problem in a stratified shell flow with either isolated heating or differential heating is investigated. In response to isolated heating with the heating top below the wind reversal height, ...
Calculation of Airflow over an Isolated Heat Source with Application to the Dynamics of V-Shaped Clouds
Publisher: American Meteorological Society
Abstract: The stably stratified airflow over a three-dimensional elevated heat source is investigated using the linearized equations of motion. A low-level upward motion can be produced for airflow over a prescribed, isolated heat ...
Three-Dimensional Response of a Shear Flow to Elevated Heating
Publisher: American Meteorological Society
Abstract: The three-dimensional response of a shear flow to elevated heating is investigated using linear theory. The basic wind profile is allowed to reverse directions at a certain height. Effects of shear, evaporative cooling, ...
Dynamical and Physical Processes Associated with Orographic Precipitation in a Conditionally Unstable Uniform Flow: Variation in Basic Wind Speed
Publisher: American Meteorological Society
Abstract: series of systematic two- and three-dimensional (2D and 3D, respectively) idealized numerical experiments were conducted to investigate the combined effects of dynamical and physical processes on orographic precipitation ...
A Numerical Study of Stratified Airflow over Mesoscale Heat Sources with Application to Carolina Coastal Frontogenesis
Publisher: American Meteorological Society
Abstract: This paper presents the results from a numerical investigation of the responses of stratified airflow to prescribed near-surface mesoscale axisymmetric (circular) and elongated (elliptical) heat sources under uniform basic ...
Numerical Modeling of an Orographically Enhanced Precipitation Event Associated with Tropical Storm Rachel over Taiwan
Publisher: American Meteorological Society
Abstract: An orographic rainfall event that occurred on 6?7 August 1999 during the passage of Tropical Storm (TS) Rachel over Taiwan is investigated by performing triply nested, nonhydrostatic numerical simulations using the Naval ...
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