| Octet No. |
Contents |
10
|
Parameter category (see Code
table 4.1)
|
11
|
Parameter number (see Code table
4.2)
|
12
|
Type of generating process (see
Code table 4.3)
|
13
|
Background generating process identifier (defined by originating centre)
|
14
|
Forecast generating process identifier (defined by originating centre)
|
15
|
Type of first fixed surface
(see Code table 4.5)
|
16
|
Scale factor of first fixed surface
|
17-20
|
Scaled value of first fixed surface
|
21
|
Type of second fixed surface
(see Code table 4.5)
|
22
|
Scale factor of second fixed surface
|
23-26
|
Scaled value of second fixed surface
|
27
|
Method used to derive the data field values at the local time
specified in section 1 (see Code table 4.248)
|
28
|
n - number of analyses or forecasts used to create the composite data
field at the local time specified in section 1 (n >= 1)
|
|
Octets 29-46 Specification of the analysis or forecast used in the processing (n = 1)
|
29-30
|
Year of the analysis or forecast used in the processing
|
31
|
Month of the analysis or forecast used in the processing
|
32
|
Day of the analysis or forecast used in the processing
|
33
|
Hour of the analysis or forecast used in the processing
|
34
|
Minute of the analysis or forecast used in the processing
|
35
|
Second of the analysis or forecast used in the processing
|
36
|
Indicator of units of forecat time (see Note and
Code table 4.4)
|
37-40
|
Forecast time (see Note)
|
41
|
Number of time increments of the forecast used in the processing
|
42
|
Indicator of units of time for the time increments
|
43-46
|
Time increments between successive forecast times
|
|
Octets 47-nn are included only if n > 1 where nn = 28 + 18 x n
|
47-nn
|
(n-1) repetitions of sequence of octets 29-46 describing
the next analyses or forecasts used in the processing
|