What is the meaning of precipitation? Describe three types of rainfall with diagrams
Answers
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The process of conversion of water vapour into water is called precipitation.
When the water vapour rises, they start cooling. The water vapour condenses causing formation of droplets of water. When these droplets become too heavy to float in air , then they come down as precipitation in the form of snow, rain and sleet.
The three types of rainfalls are :
Relief rainfall - Relief rainfall is when the warm moist air from the sea (Atlantic Ocean) is forced to rise over mountains and as the moist air gets higher it gets colder so it gradually condenses and becomes water droplets and it rains/ prcipitates. Relief rainfall is common along the west side of Britain where there are more high lands.
Convectional rainfall - Convectional rainfall is when the sun comes out and heats up the land, this causes the air around it to become warm too. The warm air currents rise and as it rises it gets colder so it gradually condenses and the water vapour become water droplets and it rains/precipitates. Convectional rainfall is mostly common around towards the south of Britain in the summer.
Frontal rainfall - Frontal rainfall is when cold air and warm air meet, the warm, light air wants to get past the heavy cold air so it casually rises above it. Its rising makes it get colder which makes the warm air cold air, it condenses and guess what? It rains/ precipitates! Frontal rainfall is mostly common all over Britain especially in the winter.
hope it will help you...
Answer:
Precipitation is the process where the local air becomes saturated with vapor and it starts to pour as it no longer can maintain the water vapor in the gaseous form. There are various types of precipitation – Liquid, Freezing, and Frozen.
Rainfall can be defined as the precipitation in the liquid form. There are various types of rainfall based on the origin which are discussed in the article below.Types of Rainfall
Rainfall has been classified into three main types based on the origin –
Convectional rainfall
Orographic or relief rainfall
Cyclonic or frontal rainfall.