Beautiful sunset timelapse in the city

6 years ago
51

At the beginning Altocumulus clouds​
Height of base: 2,000 - 18,000 ft

Latin: altum - height; cumulus - heap

Altocumulus are small mid-level layers or patches of clouds - called cloudlets - in the shape of rounded clumps. These are white or grey, and the sides away from the Sun are shaded. Mostly found in settled weather, altocumulus are usually composed of droplets, but may also contain ice crystals.

The presence of shading can help tell the difference between altocumulus and cirrocumulus. Cirrocumulus are white but altocumulus can be white or grey, and the sides will be shaded.

Nimbostratus clouds at the end of the video
Height of base: 2,000 - 10,000 ft

Latin: nimbus - rainy cloud; stratus - flattened or spread out

Nimbostratus clouds are dark grey or bluish grey featureless layers of clouds, thick enough to block out the sun. These mid-level clouds are often accompanied by continuous heavy rain or snow and cover most of the sky. If there is hail, thunder or lightning it is a cumulonimbus cloud rather than nimbostratus.

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