GRIB2 - PRODUCT DEFINITION TEMPLATE 4.15

Average, Accumulation, Extreme values or Other statistically-processed values over
values over a spatial area at horizontal level or in a horizontal layer at a point in time

Created 12/09/2009


Octet No. Contents
10
 Parameter category (see Code Table 4.1)
11
 Parameter number (see Code Table 4.2)
12
 Type of generating process (see Code Table 4.3)
13
 Background generating process identifier (defined by originating centre)
14
 Analysis or forecast generating process identified (see Code ON388 Table A)
15-16
 Hours after reference time data cutoff (see Note 1)
17
 Minutes after reference time data cutoff
18
 Indicator of unit of time range (see Code Table 4.4)
19-22
 Forecast time in units defined by octet 18 (see Note 2)
23
 Type of first fixed surface (see Code Table 4.5)
24
 Scale factor of first fixed surface
25-28
 Scaled value of first fixed surface
29
 Type of second fixed surfaced (see Code Table 4.5)
30
 Scale factor of second fixed surface
31-34
 Scaled value of second fixed surfaces
35
 Statistical process used within the spatial area defined by octet 36 (see Code Table 4.10)
36
 Type of spatial processing used to arrive at given data value from source data (see Code Table 4.15)
37
 Number of data points used in spatial processing defined in octet 36


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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