GRIB2 - PRODUCT DEFINITION TEMPLATE 4.126

Average, accumulation, or extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval for radionuclides

Created 07/15/2024


Octet No. Contents
10
Parameter category (see Code table 4.1)
11
Parameter number (see Code table 4.2)
12-13
Atmospheric chemical constituent type (see Code table 4.230)
14
Source or sink (see Code table 4.238)
15-16
Transport model used (see Code table 4.333)
17-18
Requested by entity (see Common Code table C-11)
19-20
Scenario origin (see Code table 4.335)
21-22
NWP used (see Code table 4.336)
23-24
Release start year
25
Release start month
26
Release start day
27
Release start hour
28
Release start minute
29
Release start second
30-31
Wall clock initial time of execution (Year)
32
Wall clock initial time of execution (month)
33
Wall clock initial time of execution (day)
34
Wall clock initial time of execution (hour)
35
Wall clock initial time of execution (minute)
36
Wall clock initial time of execution (second)
37
Type of generating process (see Code table 4.3)
38
Background generating process identifier (defined by originating center)
39
Analysis or forecast generating process identifier (defined by originating center)
40-41
Hours of observational data cut-off after reference time (see Note)
42
Minutes of observational data cut-off after reference time
43
Indicator of unit of time range (see Code table 4.4)
44-47
Forecast time in units defined by octet 43
48
Type of first fixed surface (see Code table 4.5)
49
Scale factor of first fixed surface
50-53
Scaled value of first fixed surface
54
Type of second fixed surface (see Code table 4.5)
55
Scale factor of second fixed surface
56-59
Scaled value of second fixed surface
60-61
Year of end of overall time interval
62
Month of end of overall time interval
63
Day of end of overall time interval
64
Hour of end of overall time interval
65
Minute of end of overall time interval
66
Second of end of overall time interval
67
n - number of time range specifications describing the time intervals used to calculate the statistically processed field
68-71
Total number of data values missing in statistical process

72-83 Specification of the outermost (or only) time range over which statistical processing is done
72
Statistical process used to calculate the processed field from the field at each time increment during the time range (see Code table 4.10)
73
Type of time increment between successive fields used in the statistical processing (see Code table 4.11)
74
Indicator of unit of time for time range over which statistical processing is done (see Code table 4.4)
75-78
Length of the time range over which statistical processing is done, in units defined by the previous octet
79
Indicator of unit of time for the increment between the successive fields used (see Code table 4.4)
80-83
Time increment between successive fields, in units defined by the previous octet

84-nn These octets are included only if n > 1, where nn = 72 + 12 x n
84-95
As octets 72 to 83, next innermost step of processing
96-nn
Additional time range specifications, included in accordance with the value of n. Contents as octets 72 to 83, repeated as necessary


Notes:

(1) Hours greater than 65534 will be coded as 65534

(2) The reference time in section 1 and the forecast time together define the beginning of the overall time interval.



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