A rain shadow is a dry region on the leeward side of a mountain range, where the mountains block the passage of rain-producing weather systems, casting a 'shadow' of dryness behind them. This phenomenon leads to significant differences in climate and vegetation between the windward and leeward sides of the mountain.

Rain Shadow

rain shadow

dry region

The leeward side of a geographical feature, like a mountain, is the side sheltered from the prevailing wind, often resulting in drier conditions due to the rain shadow effect. This phenomenon significantly influences local climate, vegetation, and human settlement patterns in the region.

leeward side

mountain range

rain-producing weather systems

Shadow of dryness

significant differences in climate

vegetation between the windward and leeward sides

The windward side of a mountain or island is the side that faces the prevailing winds, receiving more precipitation due to the orographic effect. This results in lush vegetation and a wetter climate compared to the leeward side, which is sheltered from the wind and typically drier.

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