Stratocumulus

Height: These clouds, similar to the nimbostratus clouds can be found below 2000 meters.

Shape: These clouds appear puffy and lumpy. These clouds cover the whole sky.

Color: White

Weather: It is usually cool or a light shower when there are stratocumulus clouds in the sky.

Source for picture: http://www.colby.edu/cpse/equipment2/highclouds/sc.jpg