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Using the GRIB tools

 


The GRIB tools are part of the ECMWF GRIB API Library. They are a set of command line programs for interactive and batch decoding and processing of GRIB data

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There is a tool for converting from GRIB to netCDF

  • grib_to_netcdf

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You will find some example data in $SCRATCH/ectrain/trx/openifs or you can use output from one of your own experiments. 

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Warning

grib_set is very powerful but it cannot be used to:

  • make transformations to the data representation
  • transform data from one grid representation to another
  • select sub-areas of data

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Resources and further reading

  1. The WMO FM 92 GRIB Manuals can be obtained from www.wmo.int/pages/prog/www/WMOCodes.html
  2. The ECMWF GRIB API manual is available at https://softwareconfluence.ecmwf.int/wiki/display/GRIB/Home
  3. ECMWF parameter database: http://apps.ecmwf.int/codes/grib/param-db/
  4. GRIB 1 keyshttp://apps.ecmwf.int/codes/grib/format/grib1/
  5. GRIB 2 keyshttp://apps.ecmwf.int/codes/grib/format/grib2/
  6. Edition independent keys http://apps.ecmwf.int/codes/grib/format/edition-independent/
  7. MARS specific keys http://apps.ecmwf.int/codes/grib/format/mars/
  8. The GRIB API Tools are documented at GRIB tools
  9. Details of the GRIB API Fortran 90 interface:Fortran package grib_api
  10. Example Python scripts and Fortran 90 and C programs can be found at GRIB API examples
  11. ECMWF GRIB API training course material: GRIB API: Library and Tools

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    Credits
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