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RISA Mixed Spectral Finite-Difference 3D Model of Neutral Planetary Boundary-Layer Flow over Topography
Publisher: American Meteorological Society
Abstract: A simple three-dimensional linear model of planetary boundary-layer flow is developed based on the Mixed Spectral Finite-Difference model of Beljaars et al. using the full second-order turbulence closure of Launder et al. ...
A Model for the Correction of Surface Wind Data for Sheltering by Upwind Obstacles
Publisher: American Meteorological Society
Abstract: Wakes behind 2D fences and 3D obstacles are reviewed with special emphasis on reduced mean wind speeds and sheltering effects. Based partly on Perera's study of wakes behind 2D fences, and assuming a Gaussian spread for ...
Initiation of Convective Storms at Low-Level Mesoscale Boundaries in Southwestern Ontario
Publisher: American Meteorological Society
Abstract: AbstractThe relationship between low-level mesoscale boundaries and convective storm initiation was investigated in southwestern Ontario, Canada. The influence of lake-breeze fronts, a type of boundary that frequently ...
On Sudbury-Area Wind Speeds—A Tale of Forest Regeneration
Publisher: American Meteorological Society
Abstract: A 34% reduction in 10-m wind speeds at Sudbury Airport in Ontario, Canada, over the period 1975?95 appears to be a result of significant changes in the surface roughness of the surrounding area that are due to land restoration ...
Visibility during Blowing Snow Events over Arctic Sea Ice
Publisher: American Meteorological Society
Abstract: A field study on visibility during Arctic blowing snow events over sea ice in Franklin Bay, Northwest Territories, Canada, was carried out from mid-January to early April 2004 during the Canadian Arctic Shelf Exchange Study ...