Name	Notation	Description	Types	Status
Isolated cloud fragments of clouds	0		Concept	stable
Continuous cloud	1		Concept	stable
Broken cloud - small breaks	2		Concept	stable
Broken cloud - large breaks	3		Concept	stable
Continuous cloud	4		Concept	stable
Broken cloud - small breaks	5		Concept	stable
Broken cloud - large breaks	6		Concept	stable
Continuous or almost continuous waves with towering clouds above the top of the layer	7		Concept	stable
Groups of waves with towering clouds above the top of the layer	8		Concept	stable
Two or more layers at different levels	9		Concept	stable
Missing value	15		Concept	stable