Listen to this articleEstimated 2 minutesThe audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results.Parts of B.C. are expected to get heavy rain beginning Thursday afternoon. (David Donnelly/CBC)Social SharingThe British Columbia coast is set to be struck by a potent storm that could bring as much as 120 millimetres of rain to some areas.