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#38B Severe Rainfall and Flooding

Severe rainfall, or heavy rain, generally refers to an amount of rain that substantially exceeds what is normal for a particular area. An atmospheric river is a long, narrow band of concentrated water vapour in the atmosphere — like a river in the sky. These weather systems travel from the tropics toward the poles and hit the west coast of North America.

Atmospheric rivers and slow-moving thunderstorms can result in flooding or flash flooding. Flash flooding can occur within a few minutes or hours of heavy rain.

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Actsafe Safety Association would like to acknowledge and honour that our workplace and classrooms are located on the traditional, ancestral and unceded territory of the Qayqayt, S’ólh Téméxw (Stó:lō), Hul’qumi’num Treaty Group, səl̓ilwətaɁɬ təməxʷ (Tsleil-Waututh), šxʷməθkʷəy̓əmaɁɬ təməxʷ (Musqueam), and Stz’uminus peoples.


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