With a view to assessing the validity of current probabilistic approaches to the definition of design wind speeds, a study was undertaken of extreme wind speeds based on records taken at 21 U.S. weather stations. For the purpose of analyzing extreme value data, a computer program was developed, which is described herein. The following results were obtained: (1) The assumption that a single probability distribution is universally applicable to all extreme wind data sets in a given type of climate was not confirmed, and (2) predictions of 100-year wind speeds based on overlapping 20-year sets of data taken at the same station differed between themselves by as much as 100%. Similar predictions for 1000-year winds differed by as much as a few hundred %. Since wind pressures are proportional to the square of the wind speeds, errors of such magnitude are unacceptably high for structural design purposes.
Document Citations
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Chicago
National Institute of Standards and Technology (NIST), Commerce Department. "Statistical Analysis of Extreme Winds". Government. Commerce Department, January 1, 1975. https://www.govinfo.gov/app/details/GOVPUB-C13-415fc91b46e5b7d06ec2ee0b8e936ed9
APA
National Institute of Standards and Technology (NIST), Commerce Department. (1975, January 1). Statistical Analysis of Extreme Winds. [Government]. Commerce Department. https://www.govinfo.gov/app/details/GOVPUB-C13-415fc91b46e5b7d06ec2ee0b8e936ed9
MLA
National Institute of Standards and Technology (NIST), Commerce Department. Statistical Analysis of Extreme Winds. Commerce Department, (1 Jan 1975), https://www.govinfo.gov/app/details/GOVPUB-C13-415fc91b46e5b7d06ec2ee0b8e936ed9
Bluebook
National Institute of Standards and Technology (NIST), Commerce Department, Statistical Analysis of Extreme Winds, GovInfo, (January 1, 1975), https://www.govinfo.gov/app/details/GOVPUB-C13-415fc91b46e5b7d06ec2ee0b8e936ed9
