There are 10 main types of clouds. There's the Cumulus cloud, otherwise know as the Simpsons' cloud. "The cartoon cloud that forms on a sunny day. The fair weather cloud. It's like the generic one, ...

The effect of ice-crystal surface roughness on the retrieval of the optical thicknesses and effective particle sizes of cirrus clouds is reported in Part II.

Weather officials say different types of clouds can tell you what kind of weather to expect. Here's a look at the different ...