Seems to be lots of finger pointing going on already about why the flow rate wasn't increased sooner but the circumstances are reminding me of what we went through in June/2013 here in Calgary/Southern Alberta. We had much higher than usual rainfall in the mountains but the real problem was the snowpack being melted and the ground still being frozen enough that the mountains simply couldn't absorb enough of it. What seemed to be a higher than normal spring run-off situation quickly escalated out of control. I believe it worked out to a 500-year flood event.
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