| Octet Number |
Description |
Note |
Status |
| None |
The following entry of 4 octets is repeated ND times. (ND is defined in octets 14-15) |
None |
Operational |
| None |
The following entry of 4 octets is repeated NF times. (NF is defined in octets 18-19) |
None |
Operational |
| 10 |
Parameter category |
Code/Flag Table 4.1 |
Operational |
| 11 |
Parameter number |
Code/Flag Table 4.2 |
Operational |
| 12-13 |
Wave direction number |
None |
Operational |
| 14-15 |
Number of wave directions (ND) |
None |
Operational |
| 16-17 |
Wave frequency number |
None |
Operational |
| 18-19 |
Number of wave frequencies (NF) |
None |
Operational |
| 20 |
Type of generating process |
Code/Flag Table 4.3 |
Operational |
| 21 |
Background generating process identifier (defined by originating centre) |
None |
Operational |
| 22 |
Analysis or forecast generating process identifier (defined by originating centre) |
None |
Operational |
| 23-24 |
Hours of observational data cut-off after reference time |
(see Note 1) |
Operational |
| 25 |
Minutes of observational data cut-off after reference time |
None |
Operational |
| 26 |
Indicator of unit of time range |
Code/Flag Table 4.4 |
Operational |
| 27-30 |
Forecast time in units defined by previous octet |
None |
Operational |
| 31 |
Type of ensemble forecast |
Code/Flag Table 4.6 |
Operational |
| 32-35 |
Perturbation number |
None |
Operational |
| 36-39 |
Number of forecasts in ensemble |
None |
Operational |
| 40-4 |
Year of model version date |
None |
Operational |
| 42 |
Month of model version date |
None |
Operational |
| 43 |
Day of model version date |
None |
Operational |
| 44 |
Hour of model version date |
None |
Operational |
| 45 |
Minute of model version date |
None |
Operational |
| 46 |
Second of model version date |
None |
Operational |
| 47 |
Scale factor of wave directions |
None |
Operational |
| (48 + (ND-1)*4) - (51 + (ND-1)*4) |
Scaled values of wave directions |
(see Note 2) |
Operational |
| 52 + (ND-1)*4 |
Scale factor of wave frequencies |
None |
Operational |
| (53 + (ND-1)*4 + (NF-1)*4) - (56 + (ND-1)*4 + (NF-1)*4) |
Scaled values of wave frequencies |
(see Note 3) |
Operational |