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Thermally Driven Gap Winds into the Mexico City Basin
Publisher: American Meteorological Society
Abstract: A southeasterly flow in the form of a low-level jet that enters the Mexico City basin through a mountain gap in the southeast corner of the basin developed consistently in the afternoons or early evenings during a four-week ...
Regional Drainage Flows in the Pacific Northwest
Publisher: American Meteorological Society
Abstract: An analysis of regional drainage flows in the Pacific Northwest is presented using results from a network of surface observations and a series of simulations carried out with a nested mesoscale model. The flows, which occur ...
A Study of the Effects of Spatially Varying Fluxes on Cloud Formation and Boundary Layer Properties Using Data from the Southern Great Plains Cloud and Radiation Testbed
Publisher: American Meteorological Society
Abstract: Measurements from the Southern Great Plains Cloud and Radiation Testbed site, which is situated in Oklahoma and Kansas and extends over an area approximately 300 km ? 350 km in extent, are combined with results from a ...
An Evaluation of the Importance of Surface Flux Variability on GCM-Scale Boundary-Layer Characteristics Using Realistic Meteorological and Surface Forcing
Publisher: American Meteorological Society
Abstract: Modifications to the properties of the boundary layer arising from surface flux variations over an area of 105 km2 are simulated with a mesoscale model using realistic meteorology and distributions of surface fluxes. The ...
Variations in Mixed-Layer Depths Arising from Inhomogeneous Surface Conditions
Publisher: American Meteorological Society
Abstract: Current approaches to parameterizations of sub-grid-scale variability in surface sensible heat fluxes in general circulation models normally neglect the associated variability in mixed-layer depths. Observations and a ...
Cold Pools in the Columbia Basin
Publisher: American Meteorological Society
Abstract: Persistent midwinter cold air pools produce multiday periods of cold, dreary weather in basins and valleys. Persistent stable stratification leads to the buildup of pollutants and moisture in the pool. Because the pool ...
Prediction of Overtopping-Induced Breach Process of Cohesive Dams
Publisher: American Society of Civil Engineers
Abstract: Based upon large-scale model tests conducted at Nanjing Hydraulic Research Institute, China, the surface erosion and intermittent mass failure along a dam’s axis and the formation of headcut and its migration in the ...