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2. Hurricane experience levels of coastal county population—Texas to Maine (technical memorandum No. NWS NHC 25);Herbert,1984
3. National Weather Service Climate Prediction Center. Available from: http://www.cpc.noaa.gov/products/outlooks/figure1.gif. Accessed December 9, 2004.
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5. National Weather Service Forecasts Office–Mobile/Pensacola. Powerful Hurricane Ivan Slams the US Central Gulf Coast as an Upper Category-3 Storm. Available from: www.srh.noaa.gov/mob/ivan_page/Ivan-main.htm. Accessed December 9, 2004.