Differenfe between Relief Rainfall and Convectional Rainfall

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Relief Rainfall (Orographic)

(i) Relief rainfall is caused when the mountain forces the air to rise along the up slopes of the mountain.

(ii) It takes place on the wind­ward side of the mountain and the leeward side gets very less rain and is known as the rain shadow area.

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(iii) It takes place in the mountain­ous region, e.g., Western Ghats. High pressure belt to the sub polar low pressure belt.

Convectional Rainfall (Noon Rain)

(i) Rainfall is caused by verti­cal ascent (convection) of heated air.

(ii) It is in the form of heavy downpour and is accompa­nied with thunder and light­ening. It is for a short time.

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(iii) It takes place in the equato­rial region daily and in the interiors of the continents in summer.

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