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A comprehensive and flexible package, Meteorological Interpolation and Regridding  (MIR) , is now a comprehensive and flexible package used at ECMWF to interpolate .   It  interpolates data for presentational presentation or other purposes.  It has three aims:

• to accept information in any grid point format (e.g. observations or satellite data).
• to convert model or other data from any grid pattern format to any other grid pattern as desired (using an Any-to-Any algorithm).
• to present model or other data graphically data graphically on any grid pattern, including 3-D 3D presentations , and include including rotation and cropping as desired.   

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The interpolation package MIR does not use a land-sea mask when interpolating data to another resolution.  Processing at the appropriate resolution of IFS data will already have taken the land-sea mask into account.  However, interpretation of the IFS land-sea mask by MIR shows a few points change from land to sea or sea to land.  This only very slightly modifies the display of geographical features.

Users are advised to should keep themselves updated about the products through the ECMWF Newsletters and web site.

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