/kloc-the ground weather at a certain time in 0/month, 20 1 kloc-0/65438 (unit: hectopascals). Read and answer the questions. (1) At this time, the weather system that controls a place is _
(2) southwest wind; small
(3) The first stage: sunny, warmer and less windy. The second stage: there is precipitation (rain and snow), the temperature drops and the wind increases. The third stage: the weather turns fine, the temperature is low and there is wind.
(4) Topographic features: The plateau is the main terrain, which is high in the west and low in the east. The karst landform is widely distributed and the surface is rugged. Causes: internal force extrusion uplift and running water scouring.
(5) High terrain and low ground temperature; Affected by warm and humid airflow, water vapor is rich; Multi-terrain precipitation with abundant rainfall; The quasi-static leading edge control time is long. (The influence of quasi-static front must appear in the answer, and others can be selected. )