q Four
 basic cloud categories:
 ü Cirrus --- thin, wispy cloud of ice.
 ü Stratus --- layered cloud
 ü Cumulus --- clouds having vertical development.
 ü Nimbus --- rain-producing cloud
 ü
 q These basic cloud types can be combined to
 generate ten different cloud types, such as cirrostratus clouds
 that have the characteristics of cirrus clouds and stratus clouds.