NASA's On-Line Cloud Chart original

Click on a cloud photo to see more examples of this cloud type.

High clouds (base above 6,000 m); designated by "cirrus" or "cirro-"
image of cirrus clouds
Cirrus

 image of cirrocumulus clouds
Cirrocumulus

image of cirrostratus clouds
Cirrostratus

image of contrails
Contrails
Mid-level clouds (base between 2,000 - 6,000 m); designated by "alto-"
image of altocumulus clouds
Altocumulus

image of altostratus clouds
Altostratus

 image of lenticular clouds
Lenticular

Low clouds (base below 2,000 m); no prefix
image of stratus clouds
Stratus

 image of nimbostratus clouds
Nimbostratus

image of cumulus clouds
Cumulus

image of stratocumulus clouds
Stratocumulus

 image of cumulonimbus clouds
Cumulonimbus

 image of fog
Fog

More clouds and a nice chart from UCAR.

You can download a S'COOL Cloud ID chart and other materials from our Materials Page.