Why do clouds turn dark when it about to rain?

What does it mean when the clouds are dark?

They are gray because of their thickness or height. Basically, clouds look gray when they block out sunlight. A cloud gets thicker as it gathers more water droplets and ice crystals. The thicker a cloud gets, the less light can pass through it.

What do clouds do before it rains?

Within a cloud, water droplets condense onto one another, causing the droplets to grow. When these water droplets get too heavy to stay suspended in the cloud, they fall to Earth as rain. … Water vapor turns into clouds when it cools and condenses—that is, turns back into liquid water or ice.

What is a dark rain cloud called?

The Latin word nimbus means “dark cloud” or “rain storm,” and meteorologists use it to classify two of the major types of rain-bearing clouds: nimbostratus, layered rain clouds that don’t produce lightning, and cumulonimbus, deep cumulus clouds generating lightning, thunder and heavy downpours.

How long does a cloud last?

The average lifespan of a cumulus cloud is less than one hour, after which it either turns to a cumulonimbus cloud or tends to disintegrate.

Can you make it rain in real life?

Yes, humans can actually modify the weather and it’s been going on for decades. Here’s the lowdown on how cloud seeding works.

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How do clouds become black?

When it’s about to rain, clouds darken because the water vapor is clumping together into raindrops, leaving larger spaces between drops of water. Less light is reflected. The rain cloud appears black or gray. Clouds form when air becomes saturated, or filled, with water vapor.

Do altostratus clouds rain?

Altostratus clouds are “strato” type clouds (see below) that possess a flat and uniform type texture in the mid levels. … However, altostratus clouds themselves do not produce significant precipitation at the surface, although sprinkles or occasionally light showers may occur from a thick alto- stratus deck.