VM - GRIB - WMO version 37 Template

Values

Product definition template 4.196 - Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval for aerosol

Octet Number	Description	Note	Status
None	78-89 Specification of the outermost (or only) time range over which statistical processing is done	None	Operational
None	90-nn These octets are included only if n > 1, where nn = 77 + 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	Code/Flag Table 4.233	Operational
14	Type of interval for first and second sizes	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 generating process	Code/Flag Table 4.3	Operational
26	Background generating process identifier (defined by originating centre)	None	Operational
27	Forecast generating process identifier (defined by originating centre)	None	Operational
28-29	Hours after reference time of data cut-off	(see Note 1)	Operational
30	Minutes after reference time of data cut-off	None	Operational
31	Indicator of unit of time range	Code/Flag Table 4.4	Operational
32-35	Forecast time in units defined by octet 32	(see Note 2)	Operational
36	Type of first fixed surface	Code/Flag Table 4.5	Operational
37	Scale factor of first fixed surface	None	Operational
38-41	Scaled value of first fixed surface	None	Operational
42	Type of second fixed surface	Code/Flag Table 4.5	Operational
43	Scale factor of second fixed surface	None	Operational
44-47	Scaled value of second fixed surface	None	Operational
48	Type of ensemble forecast	Code/Flag Table 4.6	Operational
49-52	Number of forecasts in ensemble	None	Operational
53	Forecast probability number	None	Operational
54	Total number of forecast probabilities	None	Operational
55	Probability type	Code/Flag Table 4.9	Operational
56	Scale factor of lower limit	None	Operational
57-60	Scaled value of lower limit	None	Operational
61	Scale factor of upper limit	None	Operational
62-65	Scaled value of upper limit	None	Operational
66-67	Year of end of overall time interval	None	Operational
68	Month of end of overall time interval	None	Operational
69	Day of end of overall time interval	None	Operational
70	Hour of end of overall time interval	None	Operational
71	Minute of end of overall time interval	None	Operational
72	Second of end of overall time interval	None	Operational
73	n - number of time range specifications describing the time intervals used to calculate the statistically processed field	None	Operational
74-77	Total number of data values missing in statistical process	None	Operational
78	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
79	Type of time increment between successive fields used in the statistical processing	Code/Flag Table 4.11	Operational
80	Indicator of unit of time for time range over which statistical processing is done	Code/Flag Table 4.4	Operational
81-84	Length of the time range over which statistical processing is done in units defined by the previous octet	None	Operational
85	Indicator of unit of time for the increment between the successive fields used	Code/Flag Table 4.4	Operational
86-89	Time increment between successive fields in units defined by the previous octet	(see Notes 3 and 4)	Operational
90-101	As octets 78 to 89, next innermost step of processing	None	Operational
102-nn	Additional time range specifications included in accordance with the value of n. Contents as octets 78 to 89, repeated as necessary	None	Operational

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