Using the information in the table, estimate how many hurricanes the

Washington, D.C. area is likely to experience in an average decade? (See
sidebar for hint.) What will be an ideal response?


Metropolitan area Area population (2004) Landfall probability (%) Risk ranking
Boston 4,400,000 18 4
Houston 5,200,000 24 3
Miami 5,400,000 42 1
New Orleans 1,300,000 36 2
New York 18,700,000 18 4
Washington, D.C. 5,100,000 12 5


In an average decade, the Washington, D.C. area can expect to experience one hurricane.
(10 years × 0.12 = 1.2 hurricanes , rounded off = 1)

Environmental & Atmospheric Sciences

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