Weather slope

In the same natural belt, the windward slope is higher than the leeward slope, so the windward slope is higher than the leeward slope in the same natural belt.

The main characteristics of windward slope and leeward slope: on windward slope, due to the blocking of warm and humid airflow by topography, it is forced to rise and cool down, which is easy to form clouds and cause rainfall. This kind of rain is called topographic precipitation, and there is a lot of precipitation. On the leeward slope, the airflow heats up due to sinking, so it is not easy to form clouds and cause rainfall, and the precipitation is less.

The diurnal temperature range of windward slope and annual range are smaller than leeward slope. Due to the rainy weather on the windward slope, the atmosphere has a strong weakening effect on solar radiation during the day, and the temperature will not rise excessively. At night, the atmosphere has a strong heat preservation effect on the ground, and the temperature will not drop excessively. The leeward slope is the opposite.

Extended data:

If the mountain lifts the airflow excessively, the windward slope and the leeward slope even present completely different natural landscapes. For example, on both sides of the westerly belt of the Andes in southern South America, the windward slope on the west side is a temperate deciduous forest belt, and the leeward slope on the east side is a temperate desert belt.

The snow line is different in height. Snow lines on windward slopes are distributed at lower altitudes, while leeward slopes are distributed at higher altitudes. Because there is more precipitation on the windward slope, it is easier to snow and the water cycle is more active. The airflow on the leeward slope sinks, heats up and dries up, and the snow is easier to melt and evaporate, while there is less precipitation and less snow.

References:

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