Double Jeopardy: Building Codes May Underestimate Risks Due to Multiple Hazards (1 of 2) (IMAGE)

National Institute of Standards and Technology (NIST)

Double Jeopardy: Building Codes May Underestimate Risks Due to Multiple Hazards (1 of 2)

Caption

This wind zone map shows how the frequency and strength of extreme windstorms vary across the United States. Wind speeds in Zone IV (red), where the risk of extreme windstorms is greatest, can be as high as 250 miles per hour.

Credit

Federal Emergency Management Agency

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