Question

Compare and contrast conventional and orographic rainfall​

Answer 1

Answer:

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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

Answer 2

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$\rm{\boxed{\huge{\underline{Comparison:-}}}}$

→ Rainfall is the most common form of precipitation.

→ Both orographic and convectional rains occur when moist air over the heated ground becomes warmers,expands,cools down and get saturated.

→ Further ascent leads to rainfall.

$\rm{\boxed{\huge{\underline{Contrasts:-}}}}$

$\bold{\boxed{Convectional\: Rainfall:}}$

• Convectional type of rainfall occurs when moist air over the heated ground becomes warmer than the surroundings air.

• And is forced to rise, expand, cool and yield some of its moisture.

• Convectional rainfall is common in lower latitudes and on summer days in interior part of the continent.

• It is always torrential accompanied by lightning and thunder.

• This type of rains mostly occur in the equatorial regions.

$\bold{\boxed{Orographic\: Rainfall:}}$

• Orographic rainfall occurs when moist wind is forced to rise over mountain ranges in its path.

• The wind ward sides of mountain ranges receive heavy rainfall.

• On the leeward side, as the dry air descends the mountain slopes, receives very little rain.

• This type of rains mostly occur along the western coast of India.

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