Further Reading

International Cloud Atlas

The WMO International Cloud Atlas describes all aspects of cloud identification in great detail. The latest edition is an online resource:


An older printed edition is still available from the WMO in pdf format.

  • Volume 1 is a text document.

  • Volume 2 is a pictorial guide.

pdf icon International Cloud Atlas - Volume I pdf icon International Cloud Atlas - Volume II

Cloud Atlas Vol 1 and 2 books
Cloud Atlas Vol I and II