GRIB2 - GRID TEMPLATE 4.5
Product definition template ― probability forecasts at a horizontal level or in a horizontal layer at a point in time
Created 08/23/2005

Octet | 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 | Forecast generating process identified (defined by originating centre)
15-16 | Hours after reference time data cutoff (see Note)
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
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 | Forecast probability number
36 | Total number of forecast probabilities
37 | Probability type (see Code table 4.9)
38 | Scale factor of lower limit
39-42 | Scaled value of lower limit
43 | Scale factor of upper limit
44-47 | Scaled value of upper limit

Notes: Hours greater than 65534 will be coded as 65534

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