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RISThe Usefulness of Piecewise Potential Vorticity Inversion
Publisher: American Meteorological Society
Abstract: t is today widely accepted that potential vorticity (PV) thinking is a highly useful approach for understanding important aspects of dynamic meteorology and for validation of output from state-of-the-art numerical weather ...
Reply to “Comments on ‘The Usefulness of Piecewise Potential Vorticity Inversion’”
Publisher: American Meteorological Society
Numerical Weather Simulations with Different Formulations for the Advection of Humidity and Cloud Water
Publisher: American Meteorological Society
Abstract: This study investigates the effect on short-range weather prediction of using different numerical advection schemes for humidity and cloud water. Comparisons are made between predictions using the basic centered and upstream ...
Aerosol Influence on Mixed-Phase Clouds in CAM-Oslo
Publisher: American Meteorological Society
Abstract: A new treatment of mixed-phase cloud microphysics has been implemented in the general circulation model, Community Atmosphere Model (CAM)-Oslo, which combines the NCAR CAM2.0.1 and a detailed aerosol module. The new treatment ...
Condensation and Cloud Parameterization Studies with a Mesoscale Numerical Weather Prediction Model
Publisher: American Meteorological Society
Abstract: This paper presents the implementation of a parameterization scheme for convective and stratiform condensation (with cloud water as a prognostic variable) into a fine mesh numerical weather prediction model. The results ...
Contrasting Influences of Recent Aerosol Changes on Clouds and Precipitation in Europe and East Asia
Publisher: American Meteorological Society
Abstract: ver the last few decades, aerosol loadings have increased greatly over Southeast Asia, while Europe and North America have experienced huge reductions. Previous studies have suggested that these changes may have influenced ...
Prediction of In-Cloud Icing Conditions at Ground Level Using the WRF Model
Publisher: American Meteorological Society
Abstract: n-cloud icing on aircraft and ground structures can be observed every winter in many countries. In extreme cases ice can cause accidents and damage to infrastructure such as power transmission lines, telecommunication ...
Flow in the Lee of Idealized Mountains and Greenland
Publisher: American Meteorological Society
Abstract: A series of idealized simulations of flow impinging on large mountains is conducted to investigate the impact of the mountain on the flow far downstream and to shed some light on the effects that Greenland may have on ...
A Classical-Theory-Based Parameterization of Heterogeneous Ice Nucleation by Mineral Dust, Soot, and Biological Particles in a Global Climate Model
Publisher: American Meteorological Society
Abstract: An ice nucleation parameterization based on classical nucleation theory, with aerosol-specific parameters derived from experiments, has been implemented into a global climate model?the Community Atmosphere Model (CAM)-Oslo. ...
A Diagnostic Study of the Flateyri Avalanche Cyclone, 24–26 October 1995, Using Potential Vorticity Inversion
Publisher: American Meteorological Society
Abstract: The evolution of a deep North Atlantic cyclone, which caused devastating avalanches in northwest (NW) Iceland in October 1995, was investigated. As the main tool for this investigation, potential vorticity analysis was ...