When the Earth surface is heated by the sun, the AIR above the surface is also warm. The warm air rises, and when it rises it cools down. Then it condenses and form clouds. And then it rains. (If the air rises very quickly cumulonimbus clouds can form) So the simple answer, Convectional Rainfall: Water forces to rise by heat.
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Convectional rainfall occurs when the sun heats the Earth's surface, causing the air near the surface to become warm and rise. As the warm air rises, it cools and condenses into clouds. Eventually, the water droplets within the clouds combine and fall as rainfall.
Convectional rainfall occurs when the land warms up and heats the air above it. The air will expand and rise and then cool and condense into a cloud and then rains. It can occur almost anywhere.
Convectional rain fall happens in very hot parts of the country where air can be heated by a very hot ground and forced to rise due to this.
The Earth's precipitation occurs through convectional, orographic, or frontal mechanisms. Convectional precipitation happens when warm air rises, cools, and forms clouds. Orographic precipitation occurs when moist air is forced to rise over a mountain, leading to cooling and rainfall. Finally, frontal precipitation happens at the boundary of two air masses with different temperatures and moisture levels, causing the warm air to rise and condense into precipitation.
The type of rain that occurs when heating causes air to rise is called convective rainfall. This happens when warm air at the surface heats up and rises, cools down as it reaches higher altitudes, and eventually condenses to form raindrops.
The Amazon rainforest receives a lot of rainfall due to its location near the equator, where warm air rises causing convectional rainfall. The abundance of trees and vegetation in the rainforest contributes to the recycling of moisture through transpiration, which also helps maintain the high levels of rainfall in the region.
Relief rainfall occurs when moist air is forced to rise over topographic barriers such as mountains. As the air rises, it cools, condenses, and forms clouds, leading to rainfall on the windward side of the mountain. This phenomenon is common in areas with mountain ranges, such as the western coast of North and South America.
The heaviest rainfall in Africa typically occurs in regions near the equator, such as the Congo Basin and parts of West Africa. These areas receive high levels of precipitation due to their proximity to the Intertropical Convergence Zone, which is a belt of low pressure where warm, moist air rises and produces heavy rainfall.