GRIB2 - TABLE 4.203
CLOUD TYPE
Created 05/16/05

Number | 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

Notes: 1. Numbers 11-20 indicate all four layers were used and ground-based fog is below the lowest layer.

Back