Simulations of Precipitation Induced by Reversal Flow in the Lee of Mountain
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Abstract:
The moist air current crossing over the higher mountains and the forming of the reversal flow at the lower layer in the lee of the mountain are investigated with the advanced regional prediction system (ARPS). The results show that the trend and elevation of the mountain range are the most important factors in the influence of terrains on weather and climate, and the mountain plays a positive role in the reversal flow weather. The effects of moisture are apparent on the forming of the blocked reversal flow in the upslope and the reversal flow in the lee of the mountain. It is suggested that the precipitation mechanism should include the lee precipitation mechanism for the lee reversal flow, except the upslope precipitation, especially for the moist airflow over higher mountain.