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Forecasting Skill Limits of Nested, Limited-Area Models: A Perfect-Model Approach
Publisher: American Meteorological Society
Abstract: The fundamental hypothesis underlying the use of limited-area models (LAMs) is their ability to generate meaningful small-scale features from low-resolution information, provided as initial conditions and at their lateral ...
Spectral Decomposition of Two-Dimensional Atmospheric Fields on Limited-Area Domains Using the Discrete Cosine Transform (DCT)
Publisher: American Meteorological Society
Abstract: For most atmospheric fields, the larger part of the spatial variance is contained in the planetary scales. When examined over a limited area, these atmospheric fields exhibit an aperiodic structure, with large trends across ...
Development and Calibration of Seasonal Probabilistic Forecasts of Ice-Free Dates and Freeze-Up Dates
Publisher: American Meteorological Society
Predictability of a Nested Limited-Area Model
Publisher: American Meteorological Society
Abstract: This note investigates the nature of the extended predictability commonly attributed to high-resolution limited-area models (LAM) nested with low-resolution data at their lateral boundaries. LAM simulations are performed ...
GEPS-Based Monthly Prediction at the Canadian Meteorological Centre
Publisher: American Meteorological Society
Abstract: ynamical monthly prediction at the Canadian Meteorological Centre (CMC) was produced as part of the seasonal forecasting system over the past two decades. A new monthly forecasting system, which has been in operation since ...
Weather Services, Science Advances, and the Vancouver 2010 Olympic and Paralympic Winter Games
Publisher: American Meteorological Society
Abstract: The Olympics inspire greatness. "Swifter, Higher, Stronger" applies not only to the athletes but sets the tone for everyone associated with the games, including the weather service providers. The Winter Olympic and Paralympic ...
The Canadian Regional Data Assimilation and Forecasting System
Publisher: American Meteorological Society
Abstract: This paper describes the recent changes to the regional data assimilation and forecasting system at the Canadian Meteorological Center. A major aspect is the replacement of the currently operational global variable resolution ...
A Case Study of Processes Impacting Precipitation Phase and Intensity during the Vancouver 2010 Winter Olympics
Publisher: American Meteorological Society
Abstract: ccurate forecasting of precipitation phase and intensity was critical information for many of the Olympic venue managers during the Vancouver 2010 Olympic and Paralympic Winter Games. Precipitation forecasting was complicated ...
The North American Multimodel Ensemble: Phase-1 Seasonal-to-Interannual Prediction; Phase-2 toward Developing Intraseasonal Prediction
Publisher: American Meteorological Society
Abstract: t U.S. National Academies report, Assessment of Intraseasonal to Interannual Climate Prediction and Predictability, was unequivocal in recommending the need for the development of a North American Multimodel Ensemble (NMME) ...
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