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Comments on “Dynamics of Upper-Level Frontogenesis in Baroclinic Waves”
Publisher: American Meteorological Society
Abstract: AbstractA recent paper by Mak et al. grants the opportunity to discuss two different definitions of the frontogenetical function proposed in the literature to study the formation and evolution of upper-level fronts. This ...
Baroclinic Waves in a Shallow Saturated Layer
Publisher: American Meteorological Society
Abstract: Humidity stratification may affect baroclinic wave growth by inducing vertical confinement in the layer where small amplitude updrafts are saturated. By means of a two-dimensional numerical model the authors show that small ...
Numerical Simulations of the 1994 Piedmont Flood: Role of Orography and Moist Processes
Publisher: American Meteorological Society
Abstract: The intense precipitation event that occurred between 3 and 6 November 1994 and caused extensive flooding over Piedmont in northwestern Italy is simulated and tested with respect to various physical aspects, using a ...
The Meteorological Global Model GLOBO at the ISAC-CNR of Italy Assessment of 1.5 Yr of Experimental Use for Medium-Range Weather Forecasts
Publisher: American Meteorological Society
Abstract: ince August 2009, the GLOBO atmospheric general circulation model has been running experimentally at the Institute of Atmospheric Sciences and Climate (ISAC) of the National Council of Research of Italy. GLOBO is derived ...
Internal Frontogenesis: A Two-Dimensional Model in Isentropic, Semi-Geostrophic Coordinates
Publisher: American Meteorological Society
Abstract: A two-dimensional semi-geostrophic model in isentropic coordinates is applied to the study of internal frontogenesis induced by a geostrophic deformation field. A continuous potential vorticity distribution is considered ...
A Method to Reduce the Adverse Impact that Inhomogeneous Station Distributions Have on Spatial Interpolation
Publisher: American Meteorological Society
Abstract: We describe a simple and economic method for reducing the errors that can result from the irregular distribution of data points in linear interpolation schemes that use prescribed, isotropic weighting (IW) functions. The ...
A Regional Model Intercomparison Using a Case of Explosive Oceanic Cyclogenesis
Publisher: American Meteorological Society
Abstract: The authors evaluate the performance of current regional models in an intercomparison project for a case of explosive secondary marine cyclogenesis occurring during the Canadian Atlantic Storms Project and the Genesis of ...
MAP D-PHASE: Real-Time Demonstration of Weather Forecast Quality in the Alpine Region
Publisher: American Meteorological Society
Abstract: Demonstration of probabilistic hydrological and atmospheric simulation of flood events in the Alpine region (D-PHASE) is made by the Forecast Demonstration Project in connection with the Mesoscale Alpine Programme (MAP). ...