VM - GRIB - WMO version 37 Template

Values

Product definition template 4.156 - Average, accumulation, extreme values or other statistically processed values at a horizontal layer in a continuous or non-continuous time interval for optical properties of aerosol

Octet Number	Description	Note	Status
None	71 - 82 Specification of the outermost (or only) time range over which statistical processing is done	None	Operational
None	83-nn These octets are included only if n > 1, where nn = 70+ 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	Aerosol type	(see Common Code table C-14)	Operational
14	Type of interval for first and second size	Code/Flag Table 4.91	Operational
15	Scale factor of first size	None	Operational
16-19	Scaled value of first size in metres	None	Operational
20	Scale factor of second size	None	Operational
21-24	Scaled value of second size in metres	None	Operational
25	Type of interval for first and second wavelength	Code/Flag Table 4.91	Operational
26	Scale factor of first wavelength	None	Operational
27-30	Scaled value of first wavelength in metres	None	Operational
31	Scale factor of second wavelength	None	Operational
32-35	Scaled value of second wavelength in metres	None	Operational
36	Type of generating process	Code/Flag Table 4.3	Operational
37	Background generating process identifier (defined by originating centre)	None	Operational
38	Analysis or forecast generating process identifier (defined by originating centre)	None	Operational
39-40	Hours of observational data cut-off after reference time	(see Note)	Operational
41	Minutes of observational data cut-off after reference time	None	Operational
42	Indicator of unit of time range	Code/Flag Table 4.4	Operational
43-46	Forecast time in units defined by octet 42	None	Operational
47	Type of first fixed surface	Code/Flag Table 4.5	Operational
48	Scale factor of first fixed surface	None	Operational
49-52	Scaled value of first fixed surface	None	Operational
53	Type of second fixed surface	Code/Flag Table 4.5	Operational
54	Scale factor of second fixed surface	None	Operational
55-58	Scaled value of second fixed surface	None	Operational
59-60	Year of end of overall time interval	None	Operational
61	Month of end of overall time interval	None	Operational
62	Day of end of overall time interval	None	Operational
63	Hour of end of overall time interval	None	Operational
64	Minute of end of overall time interval	None	Operational
65	Second of end of overall time interval	None	Operational
66	n - number of time range specifications describing the time intervals used to calculate the statistically processed field	None	Operational
67-70	Total number of data values missing in statistical process	None	Operational
71	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
72	Type of time increment between successive fields used in the statistical processing	Code/Flag Table 4.11	Operational
73	Indicator of unit of time for time range over which statistical processing is done	Code/Flag Table 4.4	Operational
74-77	Length of the time range over which statistical processing is done, in units defined by the previous octet	None	Operational
78	Indicator of unit of time for the increment between the successive fields used	Code/Flag Table 4.4	Operational
79-82	Time increment between successive fields, in units defined by the previous octet	None	Operational
83-94	As octets 71 to 82, next innermost step of processing	None	Operational
95-nn	Additional time range specifications, included in accordance with the value of n. Contents as octets 71 to 82, repeated as necessary	None	Operational

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