Answer:
forced uplift due to the presence of a physical barrier
Explanation:
Orographic lifting is phenomenon in which when mass of air moves near mountains they are forced to rise from low elevation to high elevation due to the barrier of mountains. As it does so, with increasing altitude air it starts cooling which raises the humidity up to the saturation point. At this stage, the water vapor in air starts condensing and there is formation of cloud. The cloud developed by this process is called orographic cloud.
