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The optical thickness increases when the cloud grows thicker and is filled with liquid or frozen water. It is more difficult for solar radiation to pass through the cloud, so it appears dark on the bottom.

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15y ago

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What is dark rain?

Dark rain Clouds are clouds that are black when it rains


What is rain cloud?

Dark rain Clouds are clouds that are black when it rains


What is an example of an educated theory?

If there is is dark clouds outside you could theorize that it is going to rain because of the dark clouds.


What kind of clouds show it is going to rain?

dark ones


Why even when it's foreshadowing a big storm with dark black clouds of heaven and after a few raindrops the clouds depart and no rain?

Clouds are dark without rain when they do not reach their dew point, the temperature at which water condenses to create rain.


What does 'Its a bit black over bill's mothers' mean?

It means it looks like it's going to rain Literally "There are dark clouds in the distance"


What is dark rain clouds?

Dark rain clouds are dense, heavily laden clouds that indicate the presence of a significant amount of moisture in the atmosphere. These clouds are often associated with precipitation, typically in the form of rain, due to the condensation of water vapor within the cloud. The dark coloration is a result of the cloud's ability to absorb and scatter light, blocking out sunlight and creating a gloomy appearance in the sky.


What are black clouds in the sky called?

A dark rain cloud is called a nimbus. These clouds produce rain and snow as they are filled with compact and frozen moisture.


Why the rainy clouds are black?

Rain clouds appear dark in color because of their overall density. As water droplets accumulate, their high concentration absorbs light instead of scattering it, resulting in the appearance of dark rain clouds.


What kind of clouds are rain clouds?

All clouds are rain clouds. You just have to know when the rain will rall out of them. When a clou is really grey the rain in that cloud is going to fall soon. If the cloud is white it is NOT going to rain!There You Go!AnswerAll clouds are rain clouds. You just have to know when the rain will rall out of them. When a clou is really grey the rain in that cloud is going to fall soon. If the cloud is white it is NOT going to rain!There You Go!NO NO NO!!!!!!! u have it all wrong!A cumulusnimbus cloud is a rain cloud!Well, at least that's what my science teacher said


What normally happens when there are dark black clouds in the sky?

When there are dark clouds in the sky, it is a sign that a rain shower is eminent. Clouds full of precipitation are much more dense than other clouds and as a result less sunlight can shine through causing the clouds to appear black.


What clouds make a dark day?

rain clouds