New Distributions of Extreme Winds in the United States

by H. C. S. Thorn,

Serial Information: Journal of the Structural Division, 1968, Vol. 94, Issue 7, Pg. 1787-1802

Document Type: Journal Paper


Using methods previously reported, annual extreme wind speed data series were extended with recent records at airports and reduced to the standard 30-ft elevation. These were fitted by the Fisher-Tippett Type II (Fréchet) distribution by a logarithmic transformation of the Type I distribution. Maps are given for the 2 yr, 10 yr, 25 yr, 50 yr, and 100-yr mean recurrence intervals. A map for the 50-yr interval for Alaska is included as well as tabular data for Hawaii and Puerto Rico. Confidence limits on mean recurrence intervals are extended to the new record length and fixed interval probabilities are discussed. A nomogram for power law elevation-speed conversion for powers of 1/7, 1/5, and 1/3 is included.

Subject Headings: Wind engineering | Mapping | Wind power | Wind speed | Airports and airfields | Confidence intervals | Probability | United States | Alaska | Hawaii | Puerto Rico

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