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On the Global Variation of Precipitating Layer Clouds
Publisher: American Meteorological Society
Abstract: The aim of the Global Energy and Water Cycle Experiment Cloud System Study (GCSS) is to promote the description and understanding of key cloud system processes, with the aim of developing and improving the representation ...
A Numerical Study of the Nature of the Glaciation Process
Publisher: American Meteorological Society
Abstract: A model is presented which simulates the glaciation of a cloud. In this model both vapor transfer and accretion processes are computed, the latter being treated stochastically. Two model clouds have been examined, one a ...
Growth of Drops by Coalescence: The Effect of Different Collection Kernels and of Additional Growth by Condensation
Publisher: American Meteorological Society
Abstract: It is shown that the recent theoretical collection efficiencies derived by Klett and Davis imply a more effective coalescence process than those previously used. The effect of vertical shear on coalescence is examined and ...
The Structure of Ice Grown in Bulk Supercooled Water
Publisher: American Meteorological Society
Abstract: The structure of ice grown in water supercooled to temperatures between ?2C and ?7.5C has been studied and recorded by flash photography. The ice structures formed below ?3C are not co-planar with the basal plants of the ...
The Australian Summertime Cool Change. Part III: Subsynoptic and Mesoscale Model
Publisher: American Meteorological Society
Abstract: Observations of the Australian summertime cool change have ranged over both the subsynoptic scale (200?2000 km) and the mesoscale (20?200 km). In this paper, the final in a series of three, a conceptual subsynoptic and ...
A Comparison between a Steady-State Downdraft Model and Observations Behind Squall Lines
Publisher: American Meteorological Society
Abstract: A simple parcel model has been used to examine the possibility that observed profiles of ?e following the passage of a squall line are produced by air originating in middle-level clouds and descending in steady rain. The ...
Modification of the Thermodynamic Structure of the Lower Troposphere by the Evaporation of Precipitation: A GEWEX Cloud System Study
Publisher: American Meteorological Society
Abstract: The importance of subcloud evaporation to the thermodynamics and movement of cold fronts is investigated through inclusion of an explicit cloud scheme within a 30-km resolution limited-area model. Two cases are examined: ...
Midlatitude Frontal Clouds: GCM-Scale Modeling Implications
Publisher: American Meteorological Society
Abstract: The importance of subgrid-scale processes for the simulation of midlatitude frontal clouds by global models is investigated. The case chosen is a frontal cloud associated with a cool change crossing the southern Australian ...
A Wide Rainband in a Developing Tropical Cyclone
Publisher: American Meteorological Society
Abstract: On 18 January 1987 the three aircraft from the Equatorial Mesoscale Experiment (EMEX) completed a mission designed to identify the mesoscale reflectivity, kinematic, and thermodynamic structure of a convectively active ...
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