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http://dx.doi.org/10.5467/JKESS.2015.36.2.158

Evaluation of Surface Wind Forecast over the Gangwon Province using the Mesoscale WRF Model  

Seo, Beom-Keun (Applied Meteorological Research Division, National Institute of Meteorological Research)
Byon, Jae-Young (Global Environment System Research Division, National Institute of Meteorological Research)
Lim, Yoon-Jin (Applied Meteorological Research Division, National Institute of Meteorological Research)
Choi, Byoung-Choel (Forecast Research Division, National Institute of Meteorological Research)
Publication Information
Journal of the Korean earth science society / v.36, no.2, 2015 , pp. 158-170 More about this Journal
Abstract
This study evaluates the wind speed forecast near the surface layer using the Weather Research Forecasting with Large Eddy Simulation (WRF-LES) model in order to compare the planetary boundary layer (PBL) parameterization with the LES model in terms of different spatial resolution. A numerical simulation is conducted with 1-km and 333-m horizontal resolution over the Gangwon Province including complex mountains and coastal region. The numerical experiments with 1-km and 333-m horizontal resolution employ PBL parameterization and LES, respectively. The wind speed forecast in mountainous region shows a better forecast performance in 333-m experiment than in 1-km, while wind speed in coastal region is similar to the observation in 1-km spatial resolution experiment. Therefore, LES experiment, which directly simulates the turbulence process near the surface layer, contributes to more accurate forecast of surface wind speed in mountainous regions.
Keywords
numerical model; WRF-LES; planetary boundary layer; wind speed forecast; surface layer;
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Times Cited By KSCI : 4  (Citation Analysis)
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