Page AIV-9
25. Cirrus fibratus.
H1
H1
H2
H3
H3
H 4
28. Cirrus spissatus cumulonimbogenitus.
26. Cirrus fibratus.
29. Cirrus spissatus cumulonimbogenitus.
27. cirrus spissatus.
30. Cirrus uncinus.
209.453
Figure AIV-5.Examples of the 9 high-level sky states reported for code CH, based on WMO Code table 0509.