| 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 |
| 14-15 |
Number of modes (N) of distribution |
(see Note 1) |
Operational |
| 16-17 |
Mode number (l) |
|
Operational |
| 18-19 |
Type of distribution function |
Code/Flag Table 4.240 |
Operational |
| 20 |
Number of following function parameters (Np), defined by type given in octets 18-19 (Type of distribution function) |
|
Operational |
|
Repeat the following 5 octets for the number of function parameters (n = 1, Np), if Np > 0 |
|
Operational |
| 21+5(n-1) |
List of scale factor of fixed distribution function parameter (p1-pNp), defined by type of distribution in octets 18-19 |
|
Operational |
| (22+5(n-1))-(25+5(n-1)) |
List of scaled value of fixed distribution function parameter (p1-pNp), defined by type of distribution in octets 18-19 |
|
Operational |
| 21+5Np |
Type of generating process |
Code/Flag Table 4.3 |
Operational |
| 22+5Np |
Background generating process identifier (defined by originating centre) |
|
Operational |
| 23+5Np |
Analysis or forecast generating process identifier (defined by originating centre) |
|
Operational |
| (24+5Np)-(25+5Np) |
Hours of observational data cut-off after reference time |
(see Note 3) |
Operational |
| 26+5Np |
Minutes of observational data cut-off after reference time |
|
Operational |
| 27+5Np |
Indicator of unit of time range |
Code/Flag Table 4.4 |
Operational |
| (28+5Np)-(31+5Np) |
Forecast time in units defined by the previous octet |
(see Note 4) |
Operational |
| 32+5Np |
Type of first fixed surface |
Code/Flag Table 4.5 |
Operational |
| 33+5Np |
Scale factor of first fixed surface |
|
Operational |
| (34+5Np)-(37+5Np) |
Scaled value of first fixed surface |
|
Operational |
| 38+5Np |
Type of second fixed surface |
Code/Flag Table 4.5 |
Operational |
| 39+5Np |
Scale factor of second fixed surface |
|
Operational |
| (40+5Np)-(43+5Np) |
Scaled value of second fixed surface |
|
Operational |
| 44+5Np |
Type of ensemble forecast |
Code/Flag Table 4.6 |
Operational |
| 45+5Np |
Perturbation number |
|
Operational |
| 46+5Np |
Number of forecasts in ensemble |
|
Operational |
| (47+5Np)-(48+5Np) |
Year - Time of end of overall time interval |
|
Operational |
| (49+5Np) |
Month - Time of end of overall time interval |
|
Operational |
| (50+5Np) |
Day - Time of end of overall time interval |
|
Operational |
| (51+5Np) |
Hour - Time of end of overall time interval |
|
Operational |
| (52+5Np) |
Minute - Time of end of overall time interval |
|
Operational |
| (53+5Np) |
Second - Time of end of overall time interval |
|
Operational |
| (54+5Np) |
n - number of time range specifications describing the time intervals used to calculate the statistically processed field |
|
Operational |
| (55+5Np)-(58+5Np) |
Total number of data values missing in statistical process |
|
Operational |
|
(59+5Np)-(70+5Np) Specification of the outermost (or only) time range over which statistical processing is done |
|
Operational |
| (59+5Np) |
Statistical process used to calculate the processed field from the field at each time increment during the time range |
Code/Flag Table 4.10 |
Operational |
| (60+5Np) |
Type of time increment between successive fields used in the statistical processing |
Code/Flag Table 4.11 |
Operational |
| (61+5Np) |
Indicator of unit of time for time range over which statistical processing is done |
Code/Flag Table 4.4 |
Operational |
| (62+5Np)-(65+5Np) |
Length of the time range over which statistical processing is done, in units defined by the previous octet |
|
Operational |
| (66+5Np) |
Indicator of unit of time for the increment between the successive fields used |
Code/Flag Table 4.4 |
Operational |
| (67+5Np)-(70+5Np) |
Time increment between successive fields, in units defined by the previous octet |
(see Notes 5 and 6) |
Operational |
|
(71+5Np)-nn These octets are included only if n > 1, where nn = (58+5Np) + 12 x n |
|
Operational |
| (71+5Np)-(82+5Np) |
As octets (59+5Np) to (70+5Np), next innermost step of processing |
|
Operational |
| (83+5Np)-nn |
Additional time range specifications, included in accordance with the value of n. Contents as octets (59+5Np) to (70+5Np), repeated as necessary |
|
Operational |