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RISDiurnal Cycle of Convective Instability around the Central Mountains in Japan during the Warm Season
Publisher: American Meteorological Society
Abstract: Convective rainfall often shows a clear diurnal cycle. The nighttime peak of convective activity prevails in various regions near the world's mountains. The influence of the water vapor and convective instability upon ...
Thermally Induced Wind Passing from Plain to Basin over a Mountain Range
Publisher: American Meteorological Society
Abstract: A new concept of a thermally induced local circulation is presented by numerical and observational studies. This wind system transports a low-level air mass from a plain to a basin, passing over a mountain ridge. The ...
Estimation of Sensible and Latent Heat Fluxes from Soil Surface Temperature Using a Linear Air-Land Heat Transfer Model
Publisher: American Meteorological Society
Abstract: The authors present a linearized model of the heat transfer between the soil layer and the atmosphere. Using this model, the moisture availability at the surface can be estimated from the diurnal variations of the soil ...
Horizontal Heat Fluxes over Complex Terrain Computed Using a Simple Mixed-Layer Model and a Numerical Model
Publisher: American Meteorological Society
Abstract: The thermally induced local circulation over a periodic valley is simulated by a two-dimensional numerical model that does not include condensational processes. During the daytime of a clear, calm day, heat is transported ...
How Does the Tibetan Plateau Affect the Transition of Indian Monsoon Rainfall?
Publisher: American Meteorological Society
Abstract: The roles of the Tibetan Plateau (TP) upon the transition of precipitation in the south Asian summer monsoon are investigated using a simplified regional climate model. Before the onset of the south Asian monsoon, descending ...
Daytime Boundary Layer Evolution in a Deep Valley. Part II: Numerical Simulation of the Cross-Valley Circulation
Publisher: American Meteorological Society
Abstract: The thermally induced circulation in a deep valley during fair weather and weak synoptic wind conditions is simulated by a two-dimensional numerical model, in order to investigate the daytime planetary boundary layer ...
A Two-Dimensional Numerical Study on Diurnal Cycle of Mountain Lee Precipitation
Publisher: American Meteorological Society
Abstract: Simple numerical experiments using a two-dimensional model were conducted to investigate the diurnal variation of water vapor in the lee of a mountain range, which strongly affects nighttime precipitation. In the daytime, ...
Formation Mechanism of the Simulated SPCZ and Baiu Front Using a Regional Climate Model
Publisher: American Meteorological Society
Abstract: The formation mechanisms of both the South Pacific convergence zone (SPCZ) and the baiu front are investigated using a regional climate model. Some idealistic numerical experiments are carried out assuming zonally uniform ...
Thermal Effects of Urban Canyon Structure on the Nocturnal Heat Island: Numerical Experiment Using a Mesoscale Model Coupled with an Urban Canopy Model
Publisher: American Meteorological Society
Abstract: A single-layer urban canopy model is incorporated into a simple two-dimensional atmospheric model in order to examine the individual impacts of anthropogenic heating, a large heat capacity, and a small sky-view factor on ...
Morning Precipitation Peak over the Strait of Malacca under a Calm Condition
Publisher: American Meteorological Society
Abstract: This paper describes the formation mechanism of morning maximum in the diurnal cycle of precipitation, at the Strait of Malacca under a calm condition, with a nonhydrostatic mesoscale numerical model and ship-based ...