What are altostratus clouds?

Answer:

Clouds

You can rank clouds according to their height and whether or not they are flat or puffy.

Flat Puffy

Low Stratus Cumulus

Medium Alto stratus Alto cumulus

High Cirrostratus Cirrocumulus

Tall Cumulonimbus (or Thunderstorm) Nimbus means rain cloud.

First answer by Ganderton. Last edit by Ganderton. Contributor trust: 2865 [recommend contributor recommended]. Question popularity: 41 [recommend question].