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GCSE Geography · key term
An area where atmospheric pressure is higher than in surrounding areas, usually associated with descending air and relatively settled weather.
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Specification 5.2.1 · Component 2
Revise: High-Pressure Hazards: Patterns and Located Case StudyHigh-pressure systems usually bring settled weather because air descends. As it sinks, it warms, making cloud formation less likely. Clear skies allow strong sunshine to heat the ground during summer.
Specification 2.3.4 · Component 1, Component 2
An area where atmospheric pressure is higher than in surrounding areas. Sinking air usually limits cloud formation and rainfall.
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The European heatwave of August 2003, focusing on France and other countries outside the UK, was associated with a dominant, long-lasting high-pressure system. Typhoon Haiyan, which struck the Philippines on 8 November 2013, was an intense low-pressure system. These cases contrast in their causes, the damage they produced and the responses they required.
