Observed characteristics of tropical cyclone vertical wind profiles

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

doi:10.12989/was.2012.15.1.065

Observed characteristics of tropical cyclone vertical wind profiles

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

Geosciences

Research output: Contribution to journal › Article › peer-review

29 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 language	English
Pages (from-to)	65-86
Number of pages	22
Journal	Wind and Structures, An International Journal
Volume	15
Issue number	1
DOIs	https://doi.org/10.12989/was.2012.15.1.065
State	Published - Jan 2012

Keywords

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

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10.12989/was.2012.15.1.065

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title = "Observed characteristics of tropical cyclone vertical wind profiles",

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.",

keywords = "GPS dropwindsonde, Low-level jets, Profiles, Radar, Tropical cyclones, Velocity azimuth display, Wind",

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AB - 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.

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KW - Low-level jets

KW - Profiles

KW - Radar

KW - Tropical cyclones

KW - Velocity azimuth display

KW - Wind

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Observed characteristics of tropical cyclone vertical wind profiles

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