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Costa Rica experiences hot weather and this brings heavy convectional rainfall. As the Sun heats the surface of the land, the air above the ground gets hot and rises. The warm, moist, rising air cools and condensation occurs. As water droplets become larger, they fall as heavy rain. Convectional rainfall is also experienced in Europe during the summer.
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First broadcast:
21 February 2008

Classroom Ideas

Can be used during a module on weather and climate. Students should explain why locals in Costa Rica have the saying 'the hotter it is, the harder it will rain'. They should construct a simple diagram to help illustrate their ideas.

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