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Original Articles

MC2 Model Performance during the Beaufort and Arctic Storm Experiment

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Pages 221-244 | Received 20 May 1995, Published online: 26 Jul 2011
 

ABSTRACT

A special operational forecasting guidance was produced during the field phase of the Beaufort and Arctic Storms Experiment (BASE) with the mesoscale compressible community model (MC2). After a brief description of the model, its performance during BASE is compared to observations. The in-house numerical database assembled at RPN especially for the BASE model is described briefly. Based on the 26 September 1994 precipitation bands event at Tuktoyaktuk, a case study shows the model sensitivity to the ice extent in the Beaufort Sea. Some applications of the MC2 model and its two-dimensional variant are mentioned to show the versatility of the model.

RÉSUMÉ

On a fourni, durant la phase sur le terrain de BASE (Expérience des tempêtes sur la mer de Beaufort et l'océan Arctique), une assistance spéciale pour la prévision en temps réel basée sur le modèle de mésoéchelle compressible communautaire (MC2). On décrit brièvement le modèle et compare ses résultats aux observations durant BASE. La base de données numériques maison assemblée au RPN spécialement pour le modèle BASE est aussi décrite. Une étude de cas, utilisant les bandes de précipitation du 24 septembre 1994 sur Tuktoyaktuk, montre que le modèle est sensible à l'étendue de glace sur la mer de Beaufort. Quelques applications du modèle MC2 et sa variante à deux dimensions sont mentionnées pour en montrer la flexibilité.

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