Observed characteristics of tropical cyclone vertical wind profiles

Ian M. Giammanco, John L. Schroeder, Mark D. Powell

Research output: Contribution to journalArticle

23 Scopus citations

Abstract

Over the last decade substantial improvements have been made in our ability to observe the tropical cyclone boundary layer. Low-level wind speed maxima have been frequently observed in Global Positioning System dropwindsonde (GPS sonde) profiles. Data from GPS sondes and coastal Doppler radars were employed to evaluate the characteristics of tropical cyclone vertical wind profiles in open ocean conditions and at landfall. Changes to the mean vertical wind profile were observed azimuthally and with decreasing radial distance toward the cyclone center. Wind profiles within the hurricane boundary layer exhibited a logarithmic increase with height up to the depth of the wind maximum.

Original languageEnglish
Pages (from-to)65-86
Number of pages22
JournalWind and Structures, An International Journal
Volume15
Issue number1
DOIs
StatePublished - Jan 2012

Keywords

  • GPS dropwindsonde
  • Low-level jets
  • Profiles
  • Radar
  • Tropical cyclones
  • Velocity azimuth display
  • Wind

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