Can clouds turn black?

Clouds are made of tiny droplets of water or ice. They are formed when water vapor condenses within pockets of rising air. As their thickness increases, the bottoms of clouds look darker but still scatter all colors. We perceive this as gray.

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In respect to this, where in the bible does it say red sky at night?

In the Bible, (Matthew XVI: 2-3,) Jesus said, "When in evening, ye say, it will be fair weather: For the sky is red. And in the morning, it will be foul weather today; for the sky is red and lowering." Weather lore has been around since people needed to predict the weather and plan their activities. Keeping this in consideration, what happens if the sky is purple? In the air scattering of light by molecules of oxygen and nitrogen in the atmosphere makes the sky blue. But the magical purple colour from hurricanes and typhoons can form when the air is super-saturated with moisture and the storm clouds (and often the sun as well) hang low in the sky.

Then, 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. Keeping this in consideration, what are the four types of cloud? The Four Core Types of Clouds Cirro-form. The Latin word 'cirro' means curl of hair. Cumulo-form. Generally detached clouds, they look like white fluffy cotton balls. Strato-form. From the Latin word for 'layer' these clouds are usually broad and fairly wide spread appearing like a blanket. Nimbo-form.