Licchavi Lyceum

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Licchavi Lyceum

Types of Rainfall : Cyclonic, Convectional & Orographic

Rainfall is a vital component of the Earth’s water cycle, providing water for plants, animals, and human consumption. Rainfall occurs in various forms, ranging from light drizzle to heavy downpours. In this article, we will discuss the different types of rainfall.

Types of Rainfall

Rainfall is an important part of the Earth’s water cycle and has a significant impact on the environment and human activities. There are several different types of rainfall, each with its own unique characteristics and causes.

Convectional rainfall

Convectional rainfall occurs when the sun heats the ground, causing the air above it to rise and cool, leading to the formation of clouds and rainfall.

Convectional Rainfall
Convectional Rainfall

Orographic Rainfall

Orographic rainfall occurs when moist air is forced up over mountains or other topographic features, causing it to cool and condense, resulting in rainfall on the windward side of the mountain. Frontal rainfall occurs when a warm air mass and a cold air mass meet, causing the warm air to rise over the cold air, leading to the formation of clouds and rainfall.

Fohn
Fohn

Cyclonic Rainfall

Cyclonic rainfall occurs in areas of low pressure, where converging winds cause moist air to rise and cool, leading to the formation of clouds and rainfall. The low-pressure system causes the air to rise, and the moisture in it condenses to form clouds. The clouds release their moisture as rain, causing heavy rainfall and flooding in some areas.

Condition for Development of Tropical Cyclone
Condition for Development of Tropical Cyclone