Atlanta Storms - Part 3

This chart shows the occurrences of defects in trees that failed (or broke in some way) during the April storms. These findings are from my own casual research:

Defect Visible - this refers to the trees that had a visible problem that indicated the tree was a risk

Defect Discoverable - these trees had a visible problem, but the problem was only identifiable through a full inspection and risk assessment

Defect Not Visible - these trees had a serious problem that predisposed them to failure, but the problem would not have been easily discovered, even by a professional. This includes problems such as root decay below the surface, or internal wood decay without external symptoms.

No Defect - this indicates that the tree did not have a predisposing defect that is normally associated with failure.

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