Friday 4 May 2012

Types of rain

Convectional rain

Convectional rain happens in places of the world that are hot and wet. Sometimes, it also takes place in tropical deserts and  inland areas during summer, when temperatures are hot. During the day, the sun makes the ground very hot. Air near the ground surface is heated by conduction. The heated air expands, becoming less dense and rises in a strong upwards air current. When the temperature of the rising air falls to the dew point, water vapor shrinks into thick clouds and forms convection rain. Depending on the temperature it may fall as sleet or snow.

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