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Parameterization of the Evaporation of Rainfall for Use in General Circulation Models
Publisher: American Meteorological Society
Abstract: A parameterization of evaporation losses below cloud base is presented for use in general circulation models to assist in quantification of water content in the hydrological cycle. The scheme is based on detailed model ...
Application of the Lognormal Raindrop Distribution to Differential Reflectivity Radar Measurement (ZDR)
Publisher: American Meteorological Society
Abstract: Use of the lognormal form of raindrop size distributions in simulations of differential reflectivity (ZDR) measurements is investigated. Using two remotely measured variables and an empirical relation, the three parameters ...
Modeling Mesoscale Cellular Structures and Drizzle in Marine Stratocumulus. Part II: The Microphysics and Dynamics of the Boundary Region between Open and Closed Cells
Publisher: American Meteorological Society
Abstract: This is the second of two companion papers on modeling of mesoscale cellular structures and drizzle in marine stratocumulus. In the first, aerosol?cloud?precipitation interactions and dynamical feedbacks were investigated ...
Modeling Mesoscale Cellular Structures and Drizzle in Marine Stratocumulus. Part I: Impact of Drizzle on the Formation and Evolution of Open Cells
Publisher: American Meteorological Society
Abstract: A new modeling framework is used to investigate aerosol?cloud?precipitation interactions and dynamical feedbacks at the mesoscale. The focus is on simulation of the formation and evolution of cellular structures that are ...
The Lognormal Fit to Raindrop Spectra from Frontal Convective Clouds in Israel
Publisher: American Meteorological Society
Abstract: Measurements of rain drop size spectra in Israel were carried out over a period of two years. It is shown that the size distribution can be best described by a lognormal distribution. With its parameters weighted by a ...
Large-Eddy Simulations of Trade Wind Cumuli: Investigation of Aerosol Indirect Effects
Publisher: American Meteorological Society
Abstract: The effects of aerosol on warm trade cumulus clouds are investigated using a large-eddy simulation with size-resolved cloud microphysics. It is shown that, as expected, increases in aerosols cause a reduction in precipitation ...
Impact of Local Convective Cloud Systems on Summer Daytime Shelter Temperature
Publisher: American Meteorological Society
Abstract: The potential impact of daytime local summer convective cloud systems on shelter air temperature is illustrated by numerical modeling and observations. Prolonged reductions in surface solar irradiance due to cloudiness ...
Entrainment and Mixing in Stratocumulus: Effects of a New Explicit Subgrid-Scale Scheme for Large-Eddy Simulations with Particle-Based Microphysics
Publisher: American Meteorological Society
Abstract: AbstractThe entrainment and mixing of free-tropospheric air is an essential component of the observed microphysical structure of stratocumulus clouds. Since the relevant scales involved in this process are usually smaller ...
Cloud Microphysical Implications for Marine Cloud Brightening: The Importance of the Seeded Particle Size Distribution
Publisher: American Meteorological Society
Evaluation of Pulse Aerosol Forcing on Marine Stratocumulus Clouds in the Context of Marine Cloud Brightening
Publisher: American Meteorological Society