How does 10 inches of rainfall cause extreme flooding like what we are seeing in Kentucky?
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Water can only be absorbed into soil at a certain rate. The variables here are soil composition, ground cover, current soil water content, and others.
When the rate of rainfall exceeds soil absorption limit, the water runs over the surface downhill.
Often this flowing water reaches a place where it is impeded and builds up to levels that are dangerous to people and property.
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