Code Figure |
Meaning |
0
|
Clear
|
1
|
Cumulonimbus
|
2
|
Stratus
|
3
|
Stratocumulus
|
4
|
Cumulus
|
5
|
Altostratus
|
6
|
Nimbostratus
|
7
|
Altocumulus
|
8
|
Cirrostratus
|
9
|
Cirrorcumulus
|
10
|
Cirrus
|
11
|
Cumulonimbus - ground-based fog
beneath the lowest layer
|
12
|
Stratus - ground-based fog
beneath the lowest layer |
13
|
Stratocumulus - ground-based fog
beneath the lowest layer |
14
|
Cumulus - ground-based fog
beneath the lowest layer |
15
|
Altostratus - ground-based fog
beneath the lowest layer |
16
|
Nimbostratus - ground-based fog
beneath the lowest layer |
17
|
Altocumulus - ground-based fog
beneath the lowest layer |
18
|
Cirrostratus - ground-based fog
beneath the lowest layer |
19
|
Cirrorcumulus - ground-based fog
beneath the lowest layer |
20
|
Cirrus - ground-based fog
beneath the lowest layer |
21-190 |
Reserved |
191
|
Unknown |
192-254
|
Reserved for Local Use
|
255 |
Missing
|