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RISModeling the Impact of Marine Stratocumulus on Boundary Layer Structure
Publisher: American Meteorological Society
Abstract: An ensemble-average closure model intended for mesoscale studies is applied to a marine stratocumulus-capped PBL. The intention is to test this model, in particular, for cases where cloud and subcloud layers are decoupled. ...
Numerical Simulations of the Response of the Marine Atmosphere to Ocean Forcing
Publisher: American Meteorological Society
Abstract: The effect of a stable internal boundary layer (IBL) on the cloud-capped marine boundary layer is investigated using a one-dimensional second-order closure model. A stable IBL forms if there is a reversal in the surface ...
Radiative Transfer and Turbulence in the Cloud-topped Marine Atmospheric Boundary Layer
Publisher: American Meteorological Society
Abstract: The effects of longwave and shortwave radiative heating on the coupling between stratocumulus clouds and the boundary layer is investigated using a one-dimensional second-moment turbulence-closure model. The decoupling of ...
Marine Atmospheric Boundary Layer Divergence and Clouds along California in June 1996
Publisher: American Meteorological Society
Abstract: The authors have performed a numerical experiment using Mesoscale Model 5 (MM5) with a horizontal resolution of 9 km to simulate hourly atmospheric dynamics and thermodynamics along the U.S. California coast for all of ...
Response of the Summer Marine Layer Flow to an Extreme California Coastal Bend
Publisher: American Meteorological Society
Abstract: A summer wind speed maximum extending more than 200 km occurs over water around Point Conception, California, the most extreme bend along the U.S. West Coast. The following several causes were investigated for this wind ...
A Method of Evaluating Atmospheric Models Using Tracer Measurements
Publisher: American Meteorological Society
Abstract: The authors have developed a method that uses tracer measurements as the basis for comparing and evaluating wind fields. An important advantage of the method is that the wind fields are evaluated from the tracer measurements ...
Day-Ahead Predictability of Complex Terrain Flows for Wind Resource Production: A Case Study of the Washoe Zephyr
Publisher: American Meteorological Society
Abstract: detailed description of the meteorological conditions of the Washoe Valley (Nevada) and simulations that examine the predictability of the westerly high wind event known as the Washoe Zephyr are presented. Numerical weather ...
Coastal Perturbations of Marine-Layer Winds, Wind Stress, and Wind Stress Curl along California and Baja California in June 1999
Publisher: American Meteorological Society
Abstract: Month-long simulations using the fifth-generation Pennsylvania State University?National Center for Atmospheric Research Mesoscale Model (MM5) with a horizontal resolution of 9 km have been used to investigate perturbations ...
Challenges in Mesoscale Prediction of a Nocturnal Stratocumulus-Topped Marine Boundary Layer and Implications for Operational Forecasting
Publisher: American Meteorological Society
Abstract: A numerical study using the fifth-generation Pennsylvania State University?National Center for Atmospheric Research Mesoscale Model (MM5) was performed to assess the impact of initial and boundary conditions, the ...