Trends of daily peak wind gusts in Spain and Portugal, 1961–2014

Given the inconsistencies of wind gust trends under the widespread decline in near‐surface wind speed (stilling), our study aimed to assess trends of observed daily peak wind gusts (DPWG) across Spain and Portugal for 1961–2014 by analyzing trends of (i) the frequency (90th percentile) and (ii) the...

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Bibliographic Details
Published in:Journal of geophysical research. Atmospheres 2016-02, Vol.121 (3), p.1059-1078
Main Authors: Azorin‐Molina, Cesar, Guijarro, Jose‐A., McVicar, Tim R., Vicente‐Serrano, Sergio M., Chen, Deliang, Jerez, Sonia, Espírito‐Santo, Fátima
Format: Article
Language:English
Subjects:
atmospheric circulation
Autumn
Brackish
Construction accidents & safety
Correlation
daily peak wind gusts
Earth and Related Environmental Sciences
europe
field significance
Geophysics
Geovetenskap och miljövetenskap
Gusts
homogenization
iceland
long-term trends
Marine
maximum
Meteorology & Atmospheric Sciences
nao
netherlands
North Atlantic oscillation
period
Seasonal variations
Spain and Portugal
speed trends
storms
Summer
Trends
Wind speed
Winter
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Summary:Given the inconsistencies of wind gust trends under the widespread decline in near‐surface wind speed (stilling), our study aimed to assess trends of observed daily peak wind gusts (DPWG) across Spain and Portugal for 1961–2014 by analyzing trends of (i) the frequency (90th percentile) and (ii) the magnitude (wind speed maxima) of DPWG. Wind gust series were homogenized on a daily basis, using MM5‐simulated series as reference, resulting in 80 suitable station‐based data sets. The average DPWG 90th percentile frequency declined by −1.49 d decade−1 (p  0.10), with distinct seasonality: declining in winter (−0.168 m s−1 decade−1; p 
ISSN:2169-897X
2169-8996
DOI:10.1002/2015JD024485