WRF Hub-Height Wind Forecast Sensitivity to PBL Scheme, Grid Length, and Initial Condition Choice in Complex Terrain
13. Climate action
0202 electrical engineering, electronic engineering, information engineering
02 engineering and technology
DOI:
10.1175/waf-d-16-0120.1
Publication Date:
2016-12-29T20:29:20Z
AUTHORS (3)
ABSTRACT
Abstract This study evaluates the sensitivity of wind turbine hub-height speed forecasts to planetary boundary layer (PBL) scheme, grid length, and initial condition selection in Weather Research Forecasting (WRF) Model over complex terrain. Eight PBL schemes available for WRF-ARW dynamical core were tested with conditions sources from North American Mesoscale (NAM) model Global Forecast System (GFS) produce short-term forecasts. The largest improvements forecast accuracy primarily depended on length or scheme choice, although most important factor varied by location, season, time day, bias-correction application. Aggregated all locations, Asymmetric Convective Model, version 2 (ACM2) provided best accuracy, particularly 12-km length. Other lengths, however, did perform better than ACM2 individual seasons locations.
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