Why is the area to the east of the pacific mountain ranges classified as having a desert climate? cold air masses from canada constantly move in. the air loses much of its moisture as it moves from the pacific ocean eastward up the mountains. the air loses much of its moisture as it moves from the atlantic ocean westward up the mountains. the region has little groundwater because the rio grande evaporated
One of the main reasons why some areas to the east of the pacific mountain ranges are having a desert climate is that the "air loses much of its moisture as it moves from the pacific ocean eastward up the mountains." In addition, the significant influence of the Pacific Ocean proved to be a factor for desertification among these lands as it moderates temperature extremes.
