Near-Surface Maximum Winds During the Landfall of Hurricane Harvey

Alford, A. Addison; Biggerstaff, Michael I.; Carrie, Gordon D.; Schroeder, John L.; Hirth, Brian D.; Waugh, Sean M.

doi:10.1029/2018GL080013

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i

Near-Surface Maximum Winds During the Landfall of Hurricane Harvey

2019
By Alford, A. Addison ; Biggerstaff, Michael I. ; Carrie, Gordon D. ; ...
Source: Geophysical Research Letters, 46, 973– 982

[PDF-1.42 MB]

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Journal Title:

Geophysical Research Letters
Personal Author:

Alford, A. Addison ; Biggerstaff, Michael I. ; Carrie, Gordon D. ; Schroeder, John L. ; Hirth, Brian D. ; ... More +

Alford, A. Addison ; Biggerstaff, Michael I. ; Carrie, Gordon D. ; Schroeder, John L. ; Hirth, Brian D. ; Waugh, Sean M. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; NSSL (National Severe Storms Laboratory) ; CIMSS (Cooperative Institute for Meteorological Satellite Studies)

OAR (Oceanic and Atmospheric Research) ; NSSL (National Severe Storms Laboratory) ; CIMSS (Cooperative Institute for Meteorological Satellite Studies) Less -
Description:

A mobile Shared Mobile Atmospheric Research and Teaching (SMART) radar was deployed in Hurricane Harvey and coordinated with the Corpus Christi, TX, WSR-88D radar to retrieve airflow during landfall. Aerodynamic surface roughness estimates and a logarithmic wind profile assumption were used to project the 500-m radar-derived maximum wind field to near the surface. The logarithmic wind assumption was justified using radiosonde soundings taken within the storm, while the radar wind estimates were validated against an array of StickNets. For the data examined here, the radar projections had root-mean-squared error of 3.9 m/s and a high bias of 2.3 m/s. Mesovorticies in Harvey's eyewall produced the strongest radar-observed winds. Given the wind analysis, Harvey was, at most, a Category 3 hurricane (50–58 m/s sustained winds) at landfall. This study demonstrates the utility of integrated remote and in situ observations in deriving spatiotemporal maps of wind maxima during hurricane landfalls.
Keywords:

[+]

Extremem Winds Hurricane Harvey Landfalling Hurricanes SMART Radar Wind Damamge
Source:

Geophysical Research Letters, 46, 973– 982
DOI:

https://doi.org/10.1029/2018GL080013
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Journal Article
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CC BY-NC-ND
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Submitted
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urn:sha256:226742e8021c702b74f84600ba14ff65d2d230b2e4aacf18c2b952e4a100fcbd
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https://repository.library.noaa.gov/view/noaa/32214/noaa_32214_DS1.pdf
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Near-Surface Maximum Winds During the Landfall of Hurricane Harvey

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