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Visualizing model output is under development. The instructions below allow users to convert to netCDF for their favourite plotting program. Forthcoming OpenIFS releases will provide additional software to analyse and view model output more easily without the need to modify the GRIB output files. |
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| Model outputThe OpenIFS model outputs files in GRIB format. These files are a mix of GRIB 1 & GRIB 2 format messages. They also contain multiple vertical coordinates: pressure levels, sub-surface levels etc as well as fields on reduced Gaussian grids which causes a problem with some 3rd party tools as the same GRIB variable code is used for each axis. The instructions below show how to work around this. The ICMGG files contain all the gridpoint fields. The ICMSH files are the spherical harmonics of the wind fields, pressure and temperature. |
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Info |
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Visualizing model output is under development. The instructions below allow users to convert to netCDF for their favourite plotting program. Forthcoming OpenIFS releases will provide additional software to analyse and view model output more easily without the need to modify the GRIB output files. |
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CDO commands
These instructions assume the use of a recent version of Climate Data Operators (CDO) (available from Max-Planck-Institut, Germany).
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