| Code/Flag Figure |
Description |
Status |
|
0
|
Isolated cloud fragments of clouds
|
Operational
|
|
1
|
Continuous cloud
(flat tops)
|
Operational
|
|
2
|
Broken cloud - small breaks
(flat tops)
|
Operational
|
|
3
|
Broken cloud - large breaks
(flat tops)
|
Operational
|
|
4
|
Continuous cloud
(undulating tops)
|
Operational
|
|
5
|
Broken cloud - small breaks
(undulating tops)
|
Operational
|
|
6
|
Broken cloud - large breaks
(undulating tops)
|
Operational
|
|
7
|
Continuous or almost continuous waves with towering clouds above the top of the layer
|
Operational
|
|
8
|
Groups of waves with towering clouds above the top of the layer
|
Operational
|
|
9
|
Two or more layers at different levels
|
Operational
|
|
10-14
|
Reserved
|
Operational
|
|
15
|
Missing value
|
Operational
|