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For preparations and running the simulation needed for this tutorial click  click here ...

Infonote

To start these tutorial please enter folder 'fwd'.

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Info

To plot a particular parameter and level we need to filter the desired

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fields from the resulting FLEXPART output GRIB file. Unfortunately, Metview's Grib Filter icon cannot handle these files (partly due to the local GRIB definition they use) so we need to use other means to cope with this task. For this reason and also to make FLEXPART output handling easier a set of Metview Macro Library Functions were developed. We will heavily use these functions in the

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example below.

Inspecting the FLEXPART GRIB file

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The macro to visualise the concentration fields on a given level is 'plot_level.mv'.

First, we define the level (8000 m) and the parameter ("mdc") we want to plot. Then we call the Macro Library Function mvl_flexpart_read_hl() to extract the data.

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