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A Numerical Study of Nonlinear Nonhydrostatic Conditional Symmetric Instability in a Convectively Unstable Atmosphere
Publisher: American Meteorological Society
Abstract: Nonlinear nonhydrostatic conditional symmetric instability (CSI) is studied as an initial value problem using a two-dimensional (y, z)nonlinear, nonhydrostatic numerical mesoscale/cloud model. The initial atmosphere for ...
Evolution of Slantwise Vertical Motions in NCEP’s Mesoscale Eta Model
Publisher: American Meteorological Society
Abstract: Numerical forecasts from the National Centers for Environmental Prediction?s mesoscale version of the ? coordinate?based model, hereafter referred to as MESO, have been analyzed to study the roles of conditional symmetric ...
Three-Dimensional Cloud-System Modeling of GATE Convection
Publisher: American Meteorological Society
Abstract: Deep convection and its associated mesoscale circulations are modeled using a three-dimensional elastic model with bulk microphysics and interactive radiation for a composite easterly wave from the Global Atmospheric ...
An Evaluation of Alternatives to the Retrieval Methods Used in Processing FGGE Level II TIROS-N Soundings
Publisher: American Meteorological Society
Abstract: Alternatives to the retrieval techniques applied by NESDIS operations to derive the FGGF Level IIa soundings are examined. A physical iterative retrieval technique is compared to the operational statistical method, and the ...
An Observation of Banded Convective Development in the Presence of Weak Symmetric Stability
Publisher: American Meteorological Society
Abstract: Satellite imagery dramatically portrays a mesoscale organization of deep convection over the south central United States on 5 June 1986. Free convection was expected over the region. The rapid development and organization ...
A Cumulus Parameterization Including Mass Fluxes, Convective Vertical Velocities, and Mesoscale Effects: Thermodynamic and Hydrological Aspects in a General Circulation Model
Publisher: American Meteorological Society
Abstract: A cumulus parameterization based on mass fluxes, convective-scale vertical velocities, and mesoscale effects has been incorporated in an atmospheric general circulation model (GCM). Most contemporary cumulus parameterizations ...
The Dynamical Core, Physical Parameterizations, and Basic Simulation Characteristics of the Atmospheric Component AM3 of the GFDL Global Coupled Model CM3
Publisher: American Meteorological Society
Abstract: he Geophysical Fluid Dynamics Laboratory (GFDL) has developed a coupled general circulation model (CM3) for the atmosphere, oceans, land, and sea ice. The goal of CM3 is to address emerging issues in climate change, including ...