| Octet Number |
Description |
Note |
Status |
| 10 |
Parameter category |
Code/Flag Table 4.1 |
Operational |
| 11 |
Parameter number |
Code/Flag Table 4.2 |
Operational |
| 12-13 |
Atmospheric chemical constituent type |
Code/Flag Table 4.230 |
Operational |
| 14 |
Source or sink |
Code/Flag Table 4.238 |
Operational |
| 15 |
Type of generating process |
Code/Flag Table 4.3 |
Operational |
| 16 |
Background generating process identifier (defined by originating centre) |
|
Operational |
| 17 |
Forecast generating process identifier (defined by originating centre) |
|
Operational |
| 18-19 |
Hours after reference time of data cut-off |
(see Note) |
Operational |
| 20 |
Minutes after reference time of data cut-off |
|
Operational |
| 21 |
Indicator of unit of time range |
Code/Flag Table 4.4 |
Operational |
| 22-25 |
Forecast time in units defined by octet 21 |
|
Operational |
| 26 |
Type of first fixed surface |
Code/Flag Table 4.5 |
Operational |
| 27 |
Scale factor of first fixed surface |
|
Operational |
| 28-31 |
Scaled value of first fixed surface |
|
Operational |
| 32 |
Type of second fixed surface |
Code/Flag Table 4.5 |
Operational |
| 33 |
Scale factor of second fixed surface |
|
Operational |
| 34-37 |
Scaled value of second fixed surface |
|
Operational |
| 38 |
Type of ensemble forecast |
Code/Flag Table 4.6 |
Operational |
| 39 |
Perturbation number |
|
Operational |
| 40 |
Number of forecasts in ensemble |
|
Operational |