Orographic rainfall occurs when _____________.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. saturated air mass comes across a mountain.
Orographic rainfall occurs when moist air rises up a mountain or hill, cools, and condenses into clouds, resulting in precipitation. Orographic rainfall is most common in hilly regions and on the windward side of mountains. Orographic rainfall can create lush landscapes on the windward side of mountains and arid conditions on the leeward side.