... NTC winds, then combining them in to one and design wind speeds could be predicted. In this study, we shall discuss in turn following aspects: choosing and processing wind data for analysis, ... 11th International Conference on Wind Engineering, Lubbock, Texas, 2761- 2772, 2003. 16. L. Gomes and B. J. Vickery, Extreme Wind Speeds in Mixed Wind Climates, J. Wind Eng. Ind. Aerodyn. ... factors including averaging time used in records, the height above ground and the roughness of surrounding terrain. Incidentally, steps 1 to 3 of Japan’s procedure showed how to obtain wind data...