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RISNumerical Simulation of Airmass Transformation over the Gulf of Mexico
Publisher: American Meteorological Society
Abstract: A mesoscale numerical simulation (35 km) of a return-flow event over the Gulf of Mexico that occurred during the Gulf of Mexico Experiment (GUFMEX) is presented in order to examine the structure and the transformation of ...
Impact of Horizontal Resolution on the Numerical Simulation of a Midlatitude Squall Line: Implicit versus Explicit Condensation
Publisher: American Meteorological Society
Abstract: The relative roles of implicit and explicit condensation schemes in the numerical representation of a squall line that occurred on 7?8 May 1995 over the southern Great Plains are examined in this study using Mesoscale ...
Simulation of Snow on Arctic Sea Ice Using a Coupled Snow–Ice Model
Publisher: American Meteorological Society
Abstract: The new Recherche Prévision Numérique (NEW-RPN) model, a coupled system including a multilayer snow thermal model (SNTHERM) and the sea ice model currently used in the Meteorological Service of Canada (MSC) operational ...
Blowing Snow on Arctic Sea Ice: Results from an Improved Sea Ice–Snow–Blowing Snow Coupled System
Publisher: American Meteorological Society
Abstract: one-dimensional (1D) version of a blowing snow model, called PIEKTUK-D, has been incorporated into a snow?sea ice coupled system. Blowing snow results in sublimation of approximately 12 mm of snow water equivalent (SWE), ...
Numerical Prediction of the 10–11 June 1985 Squall Line with the Canadian Regional Finite-Element Model
Publisher: American Meteorological Society
Abstract: In an effort to improve operational forecasts of mesoscale convective systems (MCSs), a mesoscale version of the operational Canadian Regional Finite-Element (RFE) Model with a grid size of 25 km is used to predict an ...
Microscale Numerical Prediction over Montreal with the Canadian External Urban Modeling System
Publisher: American Meteorological Society
Abstract: he Canadian urban and land surface external modeling system (known as urban GEM-SURF) has been developed to provide surface and near-surface meteorological variables to improve numerical weather prediction and to become a ...
Subkilometer Numerical Weather Prediction in an Urban Coastal Area: A Case Study over the Vancouver Metropolitan Area
Publisher: American Meteorological Society
Abstract: umerical weather prediction is moving toward the representation of finescale processes such as the interactions between the sea-breeze flow and urban processes. This study investigates the ability and necessity of using ...
Boundary Layer and Shallow Cumulus Clouds in a Medium-Range Forecast of a Large-Scale Weather System
Publisher: American Meteorological Society
Abstract: The role and impact that boundary layer and shallow cumulus clouds have on the medium-range forecast of a large-scale weather system is discussed in this study. A mesoscale version of the Global Environmental Multiscale ...
Operational Implementation of the ISBA Land Surface Scheme in the Canadian Regional Weather Forecast Model. Part I: Warm Season Results
Publisher: American Meteorological Society
Abstract: The summertime improvement resulting from the operational implementation of a new surface modeling and assimilation strategy into the Canadian regional weather forecasting system is described in this study. The surface ...
Operational Implementation of the ISBA Land Surface Scheme in the Canadian Regional Weather Forecast Model. Part II: Cold Season Results
Publisher: American Meteorological Society
Abstract: The performance of a modified version of the snow scheme included in the Interactions between Surface?Biosphere?Atmosphere (ISBA) land surface scheme, which was operationally implemented into the regional weather forecast ...