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Keywords from Image Description:
Front occlus hivernal fr. en Diagram made after saw freak thunder snow in the plains fr Schma d'un front occlus qui donnent des orages la rencontre de deux masses d'air froid et dont les prcipitations tombent sous forme de neige Un orage relativement rare mais n'ayant aucune diffrence avec un autre orage sinon le type de prcipitations