VM - GRIB - WMO version 37 Template

Values

Product definition template 4.127 - Individual ensemble forecast, control and perturbed, at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval for radionuclides

Octet Number	Description	Note	Status
None	75-86 Specification of the outermost (or only) time range over which statistical processing is done	None	Operational
None	87-nn These octets are included only if n > 1, where nn = 75 + 12 x n	None	Operational
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	Source or sink	Code/Flag Table 4.238	Operational
15-16	Transport model used	Code/Flag Table 4.333	Operational
17-18	Requested by entity	(see Common Code table C-11)	Operational
19-20	Scenario origin	Code/Flag Table 4.335	Operational
21-22	NWP used	Code/Flag Table 4.336	Operational
23-24	Release start year	None	Operational
25	Release start month	None	Operational
26	Release start day	None	Operational
27	Release start hour	None	Operational
28	Release start minute	None	Operational
29	Release start second	None	Operational
30-31	Wall clock initial time of execution (year)	None	Operational
32	Wall clock initial time of execution (month)	None	Operational
33	Wall clock initial time of execution (day)	None	Operational
34	Wall clock initial time of execution (hour)	None	Operational
35	Wall clock initial time of execution (minute)	None	Operational
36	Wall clock initial time of execution (second)	None	Operational
37	Type of generating process	Code/Flag Table 4.3	Operational
38	Background generating process identifier (defined by originating centre)	None	Operational
39	Analysis or forecast generating process identifier (defined by originating centre)	None	Operational
40-41	Hours after reference time of data cut-off	(see Note 1)	Operational
42	Minutes after reference time of data cut-off	None	Operational
43	Indicator of unit of time range	Code/Flag Table 4.4	Operational
44-47	Forecast time in units defined by octet 43	None	Operational
48	Type of first fixed surface	Code/Flag Table 4.5	Operational
49	Scale factor of first fixed surface	None	Operational
50-53	Scaled value of first fixed surface	None	Operational
54	Type of second fixed surface	Code/Flag Table 4.5	Operational
55	Scale factor of second fixed surface	None	Operational
56-59	Scaled value of second fixed surface	None	Operational
60	Type of ensemble forecast	Code/Flag Table 4.6	Operational
61	Perturbation Number	None	Operational
62	Number of forecasts in ensemble	None	Operational
63-64	Year of end of overall time interval	None	Operational
65	Month of end of overall time interval	None	Operational
66	Day of end of overall time interval	None	Operational
67	Hour of end of overall time interval	None	Operational
68	Minute of end of overall time interval	None	Operational
69	Second of end of overall time interval	None	Operational
70	n - number of time range specifications describing the time intervals used to calculate the statistically processed field	None	Operational
71-74	Total number of data values missing in statistical process	None	Operational
75	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
76	Type of time increment between successive fields used in the statistical processing	Code/Flag Table 4.11	Operational
77	Indicator of unit of time for time range over which statistical processing is done	Code/Flag Table 4.4	Operational
78-81	Length of the time range over which statistical processing is done, in units defined by the previous octet	None	Operational
82	Indicator of unit of time for the increment between the successive fields used	Code/Flag Table 4.4	Operational
83-86	Time increment between successive fields, in units defined by the previous octet	None	Operational
87-98	As octets 75 to 86, next innermost step of processing	None	Operational
99-nn	Additional time range specifications, included in accordance with the value of n. Contents as octets 75 to 86, repeated as necessary	None	Operational

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