Winter ski race was held in Tarik Darreh ski resort of Hamedan. The various air currents of this region are: the north and north west winds of the spring and winter seasons, which are usually humid and bring rainfall. The west-east air currents that blow in the autumn, and the local winds that develop due to difference in air-pressure between the elevated areas and the plains, like the blind wind of the Asad Abad region.