"In British Columbia's case, there was an intense period of heavy rainfall — 10 to 15 millimetres per hour for 15 hours straight — that caused a runoff into the three watersheds that supply water for about two million people from the North Shore to Vancouver to Langley."
sorry, i'm finding this fascinating. cos we have a rainwater measure thingy in the dale and i'm used to bbb recording, y'know, 6ml here and there and getting very worried in summer. not 15ml an hour!
"Whistler-Blackcomb Mountain is opening a week earlier than scheduled after receiving 186 centimetres of snow so far."