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An Examination of Strong Wind Events Over the Last Half-Century at Five National Weather Service Stations near Coastal South Carolina by A. H. Weber, M.

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Presentation on theme: "An Examination of Strong Wind Events Over the Last Half-Century at Five National Weather Service Stations near Coastal South Carolina by A. H. Weber, M."— Presentation transcript:

1 An Examination of Strong Wind Events Over the Last Half-Century at Five National Weather Service Stations near Coastal South Carolina by A. H. Weber, M. J. Parker, and R. L. Buckley Savannah River National Laboratory

2 Beaufort Wind Scale

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4 Known Events with Significant Effects NameStart DateEnd DateS max (mph)Adjusted (mph) 1948 Winter Storm12 Feb. 194817 Feb. 194845NA Hurricane Gracie27 Sep. 195901 Oct. 195946NA 1965 Winter Storm23 Feb. 196528 Feb. 196531NA 1978 Winter Storm24 Jan. 197829 Jan. 197838NA Hurricane Hugo20 Sep. 198925 Sep. 19895268 1993 Winter Storm Storm of the Century 12 Mar. 199317 Mar. 199344NA Hurricane Floyd14 Sep. 199919 Sep. 199947NA Hurricane Gaston27 Aug. 200401 Sep. 200443NA

5 Stations Examined for This Study

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10 Periods Containing High Winds

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13 High Speeds for 1-hr Events

14 High Speeds for 3-hr Storms

15 High Speeds for 5-hr Storms

16 Hourly Wind Speeds for Return Periods

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19 Conclusions Meteorological data obtained from CHS, ILM, AGS, CAE, and SAV. Periods of > five hours with speeds > 25 mph were studied: February and March are worst, also August and September. Worst case: Category IV-V hurricane to strike just to the south of a target at a high forward speed.


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