KSEC1 element Contents GRIB octet Recommended GRIB_API keys Coded GRIB_API keys Comments
37
ECMWF local GRIB use definition identifier.
30 = Forecasting Systems with Variable Resolution
41 localDefinitionNumber localDefinitionNumber
38 Class 42 class marsClass
39 Type 43 type marsType
40 Stream 44-45 stream marsStream
41
Version number or experiment identifier.
(4 ASCII characters, right justified)
46-49 expver experimentVersionNumber
42
Ensemble member number.
Control forecast is number 0, perturbed forecasts are 1-nn.
50 number
perturbationNumber

43 Number of forecasts in ensemble 51


44 Ocean Atmosphere Coupling 52 oceanAtmosphereCoupling
oceanAtmosphereCoupling

45 Spare 53


- Padding 54-55


46 Leg base Date (in format YYYYMMDD) 56-59 legBaseDate
legBaseDate

47 Leg base Time (in format hhmm) 60-61 legBaseTime
legBaseTime

48 Leg Number 62 legNumber
legNumber

49 Date of forecast run (YYYYMMDD) 63-66 referenceDate
referenceDate

50 Climate date - from (YYYYMMDD) 67-70 climateDateFrom
climateDateFrom

51 Climate date - to (YYYYMMDD) 71-74 climateDateTo
climateDateTo

- Spare (set to zero) 75-106