Hurricane Bonnie wind flow characteristics as determined from WEMITE

John L. Schroeder, Douglas A. Smith

Research output: Contribution to journalArticlepeer-review

87 Scopus citations

Abstract

The Wind Engineering Mobile Instrumented Tower Experiment (WEMITE) successfully gathered high-resolution wind speed data from within Hurricane Bonnie as it made landfall near Wilmington, North Carolina, on 27 August 1998, at 04:00 UTC. This data is used to inspect the variations in turbulent characteristics of the wind during the passage of the storm. Specifically, turbulence intensities, integral scales, gust factors and power spectral densities are evaluated. Results indicate there is general agreement with the Krayer/Marshall gust factor curve, additional low-frequency energy in the longitudinal power spectral density compared to various model spectra, and a wide variation in integral scales even within the same roughness regime.

Original languageEnglish
Pages (from-to)767-789
Number of pages23
JournalJournal of Wind Engineering and Industrial Aerodynamics
Volume91
Issue number6
DOIs
StatePublished - May 2003

Keywords

  • Gust factors
  • Hurricanes
  • Integral scales
  • Power spectral densities
  • Turbulence intensities
  • Wind speeds

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