Nimbostratus

This is a photograph of nimbostratus clouds and a rainbow in Seattle, WA. Can you see the rain falling from the clouds? Click on image for full size version (91K JPG) Courtesy of Peggy LeMone

Nimbostratus clouds belong to the Low Cloud (surface to 2000m up) group. They are dark gray with a ragged base. Nimbostratus clouds are associated with continuous rain or snow. Sometimes they cover the whole sky and you can't see the edges of the cloud.