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GCSE Geography · key term
Rainfall produced when moist air is forced to rise over high ground, cools and its water vapour condenses.
Used by Edexcel and OCR
Specification 1.14, 2.4 · Paper 1
Rainfall produced when moist air is forced over high ground, cools and condenses.
Revise: Location, Formation and Climate of a Glaciated LandscapeRising air cools, water vapour condenses into cloud droplets, and rainfall follows. This is relief rainfall, also called orographic rainfall.
Specification 7.1a · Paper 2, Paper 3
Rainfall caused when moist air is forced to rise over higher land, cools and condenses.
Revise: Physical and Human CharacteristicsRain can then fall on the windward slopes. This is relief rainfall. After losing some of its moisture, the air crosses the uplands, leaving a relatively dry rain shadow on the sheltered side.
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