A weather scientist can explain the raining physics.Please explain in your own words/understanding, do not give any reference or website to search.
Dear Radheshyam Muduli,
Clouds contain huge numbers of tiny droplets of moisture. Raindrops are formed when these tiny droplets are enlarged, first by moisture from the surrounding air condensing on them and then by coalescing with other droplets during their descent. Raindrops vary in size from about 0.02 in. (0.5 mm) to as much as 0.33 in. (8 mm) in thunderstorms. From the time they leave the bottom of the cloud, evaporation takes place and, if the cloud is high, the air warm and dry, and the raindrops small, so that they fall slowly, they may evaporate completely before they reach the earth. If they do so, the drops are called virga.
I hope it helps.
Good luck !
Dear Radheshyam Muduli,
Clouds contain huge numbers of tiny droplets of moisture. Raindrops are formed when these tiny droplets are enlarged, first by moisture from the surrounding air condensing on them and then by coalescing with other droplets during their descent. Raindrops vary in size from about 0.02 in. (0.5 mm) to as much as 0.33 in. (8 mm) in thunderstorms. From the time they leave the bottom of the cloud, evaporation takes place and, if the cloud is high, the air warm and dry, and the raindrops small, so that they fall slowly, they may evaporate completely before they reach the earth. If they do so, the drops are called virga.
I hope it helps.
Good luck !
Thank you, Mr. Swain, your concept is very clear. Up to what level(height in meters) in atmosphere, we can expect rain clouds are present and generally formation of rain drops takes place?Do rain drops initiate from a nucleus taking a bacteria or dust particles at centre to start with?Also please explain the characteristics of black coloured clouds those rain more than white clouds. When we see a patch of black cloud,over the sky, we are sure that there will be some rain.
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