Question

ddifference between convectional rainfall and orographic rainfall

Answer 1

Explanation:

Orographic rainfall: When moist air is lifted up the mountain range, the air rises and cools, orographic clouds are formed, and the moisture falls as rain. Rain is generally received on the windward side, and by the time the clouds reach the leeward side, the moisture is lost. This region is called rain-shadow region.

Conventional rainfall: When the land gets warmed up, the air above it get seated and the air rises and expand. As the air rises, it cools and condense and forms clouds and rain falls.

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Answer 2

Answer:

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.

(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.

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