Environmental Graffiti

Flash Flood!

Suddenly, the raging torrent of water sweeps over land unprepared for its onslaught. A flash flood has begun. Often associated with severe storms, these extremely dangerous hazards occur when the ground becomes saturated with heavy rain that has fallen too quickly for the water to be absorbed. The rainfall can rip through riverbeds, streets or mountain canyons, surging rapidly downhill – as this sequence of pictures shows.

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