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#Run flexpart (asynchronous call!)

r = flexpart_run(
	output_path	:	"result_fwd_conc",
	input_path	:	"../data",
	starting_date	:	20120517,
	starting_time	:	12,
	ending_date	:	20120519,
	ending_time	:	12,
	output_field_type: "concentration",
    output_flux	:	"on",
	output_trajectory	:	"on",
	output_area	:	[40,-25,66,10],
	output_grid	:	[0.25,0.25],
	output_levels	:	[500,1000,2000,3000,4000,5000,7500,10000,15000],
	release_species	:	8,
	receptors	:	"on",
	receptor_names	:	["rec1","rec2"],
	receptor_latitudes	:	[60,56.9],
	receptor_longitudes	:	[6.43,-3.5],
	releases	:	rel_volcano
	)

print(r)

Here the actual release species is specified as an integer code we defined the simulation period and the output grid as well. We also told FLEXPART to generate gridded concentration fields on output. We also asked for plume trajectories and deposition data at the specified receptor locations.

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If we run this macro (or alternatively right-click execute the FLEXPART Run icon) the results (after a minute or so) will be available in folder 'result_fw_con' (as we specified it in the ouput_path parameter). The computations were actually taken place in a temporary folder the metview copied the results here. If we open the resulting folder we will see to files there:

• cons_s001.grib is GRIB file containing the gridded concentration fields.
• tr_r1.csv is CSV file containing the plume trajectories

Forward simultaions

Fields

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