| Octet Number |
Description |
Note |
Status |
| None |
The next six entries are repeated NT times nt=1:NT |
None |
Operational |
| None |
End of sequence repeated NT times |
None |
Operational |
| None |
The next two entries are repeated NA times na=0:NA - can be 0 times if no parameters are necessary |
None |
Operational |
| None |
End of repeated NA sequence |
None |
Operational |
| None |
The next three entries are repeated NR times nr=1:NR |
None |
Operational |
| None |
End of repeated NR sequence |
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 |
Analysis or forecast generating process identifier (defined by originating centre) |
None |
Operational |
| 15-16 |
Hours of observational data cut-off after reference time |
(see Note 1) |
Operational |
| 17 |
Minutes of observational data cut-off after reference time |
None |
Operational |
| 18 |
Indicator of unit of time range |
Code/Flag Table 4.4 |
Operational |
| 19-22 |
Forecast time in units defined by previous octet |
None |
Operational |
| 23 |
Type of first fixed surface |
Code/Flag Table 4.5 |
Operational |
| 24 |
Scale factor of first fixed surface |
None |
Operational |
| 25-28 |
Scaled value of first fixed surface |
None |
Operational |
| 29 |
Type of second fixed surface |
Code/Flag Table 4.5 |
Operational |
| 30 |
Scale factor of second fixed surface |
None |
Operational |
| 31-34 |
Scaled value of second fixed surface |
None |
Operational |
| 35-36 |
Year of end of overall time interval |
None |
Operational |
| 37 |
Month of end of overall time interval |
None |
Operational |
| 38 |
Day of end of overall time interval |
None |
Operational |
| 39 |
Hour of end of overall time interval |
None |
Operational |
| 40 |
Minute of end of overall time interval |
None |
Operational |
| 41 |
Second of end of overall time interval |
None |
Operational |
| 42 |
Number of time range (NT) |
None |
Operational |
| 43-46 |
Number of missing in statistical process |
None |
Operational |
| 47+(nt-1)*12 |
Type of statistical processing |
None |
Operational |
| 48+(nt-1)*12 |
Type of time increment |
None |
Operational |
| 49+(nt-1)*12 |
Indicator of unit for time range |
None |
Operational |
| (50+(nt-1)*12)-(53+(nt-1)*12) |
Length of time range |
None |
Operational |
| 54+(nt-1)*12 |
Indicator of unit for time increment |
Code/Flag Table 4.4 |
Operational |
| (55+(nt-1)*12)-(58+(nt-1)*12) |
Time increment |
None |
Operational |
| 59+(NT-1)*12 |
Derived forecast |
Code/Flag Table 4.7 |
Operational |
| 60+(NT-1)*12 |
Number of forecasts in ensemble |
None |
Operational |
| 61+(NT-1)*12 |
Type of reference dataset |
Code/Flag Table 4.100 |
Operational |
| 62+(NT-1)*12 |
Type of relation to reference dataset |
Code/Flag Table 4.101 |
Operational |
| 63+(NT-1)*12 |
Number of additional parameters for reference period - NA |
(see Note 2) |
Operational |
| 64+(NT-1)*12+(na-1)*5 |
Scale factor of additional parameters for reference period |
None |
Operational |
| (64+(NT-1)*12+NA*5)-(65+(NT-1)*12+NA*5) |
Year of start of reference period |
None |
Operational |
| (65+(NT-1)*12+(na-1)*5)-(68+(NT-1)*12+(na-1)*5) |
Scaled value of additional parameters for reference period |
None |
Operational |
| 66+(NT-1)*12+NA*5 |
Month of start of reference period |
None |
Operational |
| 67+(NT-1)*12+NA*5 |
Day of start of reference period |
None |
Operational |
| 68+(NT-1)*12+NA*5 |
Hour of start of reference period |
None |
Operational |
| 69+(NT-1)*12+NA*5 |
Minute of start of reference period |
None |
Operational |
| 70+(NT-1)*12+NA*5 |
Second of start of reference period |
None |
Operational |
| (71+(NT-1)*12+NA*5)-(74+(NT-1)*12+NA*5) |
Sample size of reference period |
None |
Operational |
| 75+(NT-1)*12+NA*5 |
Number of reference period time range - NR |
(see Note 3) |
Operational |
| 76+(NT-1)*12+NA*5+(nr-1)*6 |
Type of statistical processing for time range for reference period |
Code/Flag Table 4.102 |
Operational |
| 77+(NT-1)*12+NA*5+(nr-1)*6 |
Indicator of unit of time range for reference period |
Code/Flag Table 4.4 |
Operational |
| (78+(NT-1)*12+NA*5+(nr-1)*6)-(81+(NT-1)*12+NA*5+(nr-1)*6) |
Length of time range for reference period |
None |
Operational |