What is GRIB?
GRIB (GRIdded Binary or General Regularly-distributed Information in Binary form) is a common data format used in meteorology and standardised by the World Meteorological Organisation.
- There are two versions of GRIB: GRIB edition 1 (GRIB1) and edition 2 (GRIB2).
- CEMS-Flood data is available in GRIB2
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- It is archieved in GRIB2 in the Meteorological Archival and Retrieval System
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- (MARS) at ECMWF, see the MARS user documentation for further information.
- Further information on the
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- data format is available in the What are GRIB files page on the Copernicus Knowledge Base.
Working with GRIB2 files
There are 2 principal ways to work with GRIB2 files:
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A
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library developed at ECMWF consisting of a set of tools to code and decode GRIBs,
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as well as other formats. The eccodes command-line utilities are commonly used by the meteorology community. Please consult the Copernicus Knowledge Base page How to read GRIB files for an overview of the commands available.
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A Python interface to the eccodes library. It is one of the supported backends of Xarray.
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Please consult the Open CEMS-Flood data page for
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example of using CFGRIB with CEMS-Flood data.