Flash floods have hit Canada recently, including in Coquitlam, B-C, where an atmospheric river triggered a mudslide that killed a teacher in October and in Toronto, where torrential rain overwhelmed drainage last July, causing nearly a billion dollars in insured losses.

<p>Flash floods have hit Canada recently, including in Coquitlam, B-C, where an atmospheric river triggered a mudslide that killed a teacher in October and in Toronto, where torrential rain overwhelmed drainage last July, causing nearly a billion dollars in insured losses.</p>

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