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- Participating Centres are expected to produce output fields in GRIB2 data format and with consistent units. All data must be encoded following the below rules in the paragraph Encoding details. For more general information about GRIB2 format please refer to WMO Manual on Codes .
Missing values
- Bitmaps shall be used to indicate missing values
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Encoding details
Parameters
- 10 metre U wind component
- 10 metre V wind component
- Mean wave direction
- Mean zero-crossing wave period
- Peak wave period
- Significant height of combined wind waves and swellRequired GRIB2 definitions
General encoding
Specific details which should be encoded in GRIB2 sections 1 and 4:
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