Deserts may or may not remain as today, as the prevailing Westerlies will change direction, bringing moisture laden air from a different direction.

沙漠不会想今天一样存留下来，因为盛行的西风会转向，从不同方向带来充满湿气的空气。

youdao

The warm, moisture-laden air brings heavy rainfall and flash flooding to Peru's northern coast, killing villagers and causing havoc to the fragile soils of the desert and of the arid Andean foothills.

ECONOMIST: The unkind child