VM - GRIB - WMO version 37 Template

Values

Product definition template 4.163 - Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval for waves selected by period range

Octet Number	Description	Note	Status
None	76-87 Specification of the outermost (or only) time range over which statistical processing is done	None	Operational
None	88-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	Type of wave period interval	Code/Flag Table 4.91	Operational
13	Scale factor of lower wave period limit	None	Operational
14-17	Scaled value of lower wave period limit	(see Note 1)	Operational
18	Scale factor of upper wave period limit	None	Operational
19-22	Scaled value of upper wave period limit	(see Note 1)	Operational
23	Type of generating process	Code/Flag Table 4.3	Operational
24	Background generating process identifier (defined by originating centre)	None	Operational
25	Analysis or forecast generating process identifier (defined by originating centre)	None	Operational
26-27	Hours of observational data cut-off after reference time	(see Note 2)	Operational
28	Minutes of observational data cut-off after reference time	None	Operational
29	Indicator of unit of time range	Code/Flag Table 4.4	Operational
30-33	Forecast time in units defined by previous octet	None	Operational
34	Type of first fixed surface	Code/Flag Table 4.5	Operational
35	Scale factor of first fixed surface	None	Operational
36-39	Scaled value of first fixed surface	None	Operational
40	Type of second fixed surface	Code/Flag Table 4.5	Operational
41	Scale factor of second fixed surface	None	Operational
42-45	Scaled value of second fixed surface	None	Operational
46	Type of ensemble forecast	Code/Flag Table 4.6	Operational
47-50	Number of forecasts in ensemble	None	Operational
51	Forecast probability number	None	Operational
52	Total number of forecast probabilities	None	Operational
53	Probability type	Code/Flag Table 4.9	Operational
54	Scale factor of lower limit	None	Operational
55-58	Scaled value of lower limit	None	Operational
59	Scale factor of upper limit	None	Operational
60-63	Scaled value of upper limit	None	Operational
64-65	Year of end of overall time interval	None	Operational
66	Month of end of overall time interval	None	Operational
67	Day of end of overall time interval	None	Operational
68	Hour of end of overall time interval	None	Operational
69	Minute of end of overall time interval	None	Operational
70	Second of end of overall time interval	None	Operational
71	n - number of time range specifications describing the time intervals used to calculate the statistically processed field	None	Operational
72-75	Total number of data values missing in statistical process	None	Operational
76	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
77	Type of time increment between successive fields used in the statistical processing	Code/Flag Table 4.11	Operational
78	Indicator of unit of time for time range over which statistical processing is done	Code/Flag Table 4.4	Operational
79-82	Length of the time range over which statistical processing is done, in units defined by the previous octet	None	Operational
83	Indicator of unit of time for the increment between the successive fields used	Code/Flag Table 4.4	Operational
84-87	Time increment between successive fields, in units defined by the previous octet	(see Notes 3 and 4)	Operational
88-99	As octets 76 to 87, next innermost step of processing	None	Operational
100-nn	Additional time range specifications, included in accordance with the value of n. Contents as octets 76 to 87, repeated as necessary	None	Operational

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