| Octet Number |
Description |
Note |
Status |
| None |
Octets 32-49 Specification of the forecast used in the processing (n = 1) |
None |
Operational |
| None |
Octets 50-nn are included only if n > 1 where nn = 31 + 18 x n |
None |
Operational |
| 10 |
Parameter category |
Code/Flag Table 4.1 |
Operational |
| 11 |
Parameter number |
Code/Flag Table 4.2 |
Operational |
| 12 |
Type of generating process |
Code/Flag Table 4.3 |
Operational |
| 13 |
Background generating process identifier (defined by originating centre) |
None |
Operational |
| 14 |
Forecast generating process identifier (defined by originating centre) |
None |
Operational |
| 15 |
Type of first fixed surface |
Code/Flag Table 4.5 |
Operational |
| 16 |
Scale factor of first fixed surface |
None |
Operational |
| 17-20 |
Scaled value of first fixed surface |
None |
Operational |
| 21 |
Type of second fixed surface |
Code/Flag Table 4.5 |
Operational |
| 22 |
Scale factor of second fixed surface |
None |
Operational |
| 23-26 |
Scaled value of second fixed surface |
None |
Operational |
| 27 |
Type of ensemble forecast |
Code/Flag Table 4.6 |
Operational |
| 28 |
Perturbation number |
None |
Operational |
| 29 |
Number of forecasts in ensemble |
None |
Operational |
| 30 |
Method used to derive the data field values at the local time specified in section 1 |
Code/Flag Table 4.248 |
Operational |
| 31 |
n - number of forecasts used to create the composite data field at the local time specified in section 1 (n >= 1) |
None |
Operational |
| 32-33 |
Year of the forecast used in the processing |
None |
Operational |
| 34 |
Month of the forecast used in the processing |
None |
Operational |
| 35 |
Day of the forecast used in the processing |
None |
Operational |
| 36 |
Hour of the forecast used in the processing |
None |
Operational |
| 37 |
Minute of the forecast used in the processing |
None |
Operational |
| 38 |
Second of the forecast used in the processing |
None |
Operational |
| 39 |
Indicator of units of forecast time |
Code/Flag Table 4.4 |
Operational |
| 40-43 |
Forecast time |
(see Note) |
Operational |
| 44 |
Number of time increments of the forecast used in the processing |
None |
Operational |
| 45 |
Indicator of units of time for the time increments |
Code/Flag Table 4.4 |
Operational |
| 46-49 |
Time increments between successive forecast times |
None |
Operational |
| 50-nn |
(n-1) repetitions of sequence of octets 32-49 describing the next analyses or forecasts used in the processing |
None |
Operational |