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Note

From cycle 48R1, there is an important change to the GRIB encoding, please have a look here for details: Implementation of IFS cycle 48r1 for CAMS#ChangetoGRIBencoding

The 'packingType'  can be changed using ECMWF's ecCodes:

Code Block
# CCSDS -> simple

grib_set -r -s packingType=grid_simple in.grib2 out.grib

# Simple -> CCSDS

grib_set -r -s packingType=grid_ccsds in.grib out.grib2



Note

Users are advised to use data in GRIB format. If this is not possible, users should download the data in GRIB and convert them to NetCDF with sufficient precision such that data values are correctly represented.

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