Stratus

Stratus clouds are a white-grey color and completely cover the sky.Most of the time they block out the sun. Light mist and drizzle sometimes fall from these clouds large clouds. They resemble fog that doesn't touch the ground.Their altitude is about 2000m (6,500ft)above the ground.

Nimbostratus clouds are noticeably dark grey and cover the whole sky. Precipitation can fall from these clouds, but they are usually light to moderate. They do block out the sun like regular stratus clouds.These clouds are pretty low, but not as low as fog. Their altitude is about 3,000m(9,800ft).

Cumulus clouds are white and puffy like the head of a cauliflower or a cotton ball. These clouds normally indicate great sunny weather. The base of these clouds are flat and the top is puffy with rounded edges. Cumulus clouds grow upwards into gigantic cumulonimbus clouds. The altitude of cumulus cloud is around 200m to 4,000m (700ft to 9,000ft).