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Please note that Emoslib has been superseded by the new interpolation routines within Metview and MARS. Please check the documentation of these tools for further information. There will be no new developments and support for Emoslib. 


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titleWhat is EMOSLIB

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What is EMOSLIB
What is EMOSLIB



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titleReport a bug or issue

Please send an email to software.support@ecmwf.int or go to Issues if you have any suggestions for improvements or have discovered a bug with this software package.


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Recently Updated

The Interpolation library (EMOSLIB) includes Interpolation software and GRIB, BUFR, CREX encoding/decoding routines. It is used by the ECMWF meteorological archival and retrieval system (MARS) and also by the ECMWF workstation METV.

This software covers :

  • Interpolating fields
    • spectral coefficients to spectral coefficients
    • spectral coefficients to rotated spectral coefficients
    • spectral coefficients to regular latitude-longitude grids
    • spectral coefficients to regular gaussian grids
    • spectral coefficients to quasi-regular gaussian grids
    • regular latitude-longitude grids to regular latitude-longitude grids
    • regular latitude-longitude grids to regular gaussian grids
    • regular gaussian grids to regular gaussian grids
    • regular gaussian grids to regular latitude-longitude grids
    • quasi-regular gaussian grids to regular latitude-longitude grids
    • quasi-regular gaussian grids to regular gaussian grids
  • encoding/decoding WMO FM-92 GRIB GRIB code messages
  • encoding/decoding WMO FM-94 BUFR BUFR code messages
  • encoding/decoding WMO FM-95 CREX CREX code messages
  • handling pure binary unix files
  • handling files of GRIB products in an indexed manner
  • multiple(Temperton's) FFT routines (from release 000340 onwards)

All of the above software which is included in the Interpolation library (EMOSLIB) was developed at the European Centre for Medium-Range Weather Forecasts

A new cycle of this public version is created from time to time to consolidate operational extensions.

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