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RISOn the Impact of the Choice of Global Ensemble in Forcing a Regional Ensemble System
Publisher: American Meteorological Society
Abstract: t is quite common that in a regional ensemble system the large-scale initial condition (IC) perturbations and the lateral boundary condition (LBC) perturbations are taken from a global ensemble prediction system (EPS). The ...
Sting Jets in Simulations of a Real Cyclone by Two Mesoscale Models
Publisher: American Meteorological Society
Abstract: The existence of sting jets as a potential source of damaging surface winds during the passage of extratropical cyclones has recently been recognized. However, there are still very few published studies on the subject. ...
Evaluation of the Added Value of Regional Ensemble Forecasts on Global Ensemble Forecasts
Publisher: American Meteorological Society
Abstract: he regional single-model-based Aire Limitée Adaptation Dynamique Développement International?Limited Area Ensemble Forecasting (ALADIN-LAEF) ensemble prediction system (EPS) is evaluated and compared with the global ECMWF-EPS ...
A New Method for Generating Initial Condition Perturbations in a Regional Ensemble Prediction System: Blending
Publisher: American Meteorological Society
Abstract: blending method for generating initial condition (IC) perturbations in a regional ensemble prediction system is proposed. The blending is to combine the large-scale IC perturbations from a global ensemble prediction system ...