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An Improved Modeling Scheme for Freezing Precipitation Forecasts
Publisher: American Meteorological Society
Abstract: To improve forecasts of various weather elements (snow, rain, and freezing precipitation) in numerical weather prediction models, a new mixed-phase cloud scheme has been developed. The scheme is based on a single prognostic ...
Comparison of Three Cloud Schemes in Winter Storm Forecasts
Publisher: American Meteorological Society
Abstract: To improve cloud and precipitation forecasts in the Canadian numerical weather prediction system, three cloud schemes with various degrees of complexity are evaluated. Several winter cases are simulated and mesoscale ...
Mesoscale Modeling of Boundary Layer Refractivity and Atmospheric Ducting
Publisher: American Meteorological Society
Abstract: In this study four mesoscale forecasting systems were used to investigate the four-dimensional structure of atmospheric refractivity and ducting layers that occur within evolving synoptic conditions over the eastern seaboard ...
An Intercomparison of Mesoscale Forecasts of Aircraft Icing Using SSM/I Retrievals
Publisher: American Meteorological Society
Abstract: A technique for the detection of supercooled liquid water (SLW) from Special Sensor Microwave/ (SSM/I) data is discussed. For this study, these SLW retrievals depict areas of icing that are used to compare against different ...
Improvements of a Mixed-Phase Cloud Scheme Using Aircraft Observations
Publisher: American Meteorological Society
Abstract: To improve the quality of forecasts of mixed-phase clouds in winter storms, some aspects of a cloud scheme are examined in detail. Modifications to the basic formalism and specification of selected parameters of the cloud ...
The Pan-Canadian High Resolution (2.5 km) Deterministic Prediction System
Publisher: American Meteorological Society
Abstract: ince November 2014, the Meteorological Services of Canada (MSC) has been running a real-time numerical weather prediction system that provides deterministic forecasts on a regional domain with a 2.5-km horizontal grid ...