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GCSE Geography · key term
A prolonged shortage of rainfall compared with the amount normally expected in an area.
Used by Edexcel and OCR
Specification 2.7 · Paper 1
Revise: Causes of DroughtMeteorological drought begins when an area receives less rainfall than usual. A high-pressure system can persist and block the arrival of low-pressure, rain-bearing weather systems. Descending air also discourages cloud formation, so little rain falls.
Specification 1.1a · Paper 1, Paper 3
A drought in which rainfall is below the average for the region.
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Meteorological drought concerns below-average rainfall.