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Expand the macro to retrieve this parameter from MARS on a 1x1 degree grid. The only parameters required to be set in the retrieve() function are Parameter and Grid. You can use the print() function to confirm that the fields have been retrieved.

Note that the additional command-line argument  -slog tells Metview to provide more output - this can be useful to diagnose problems. This argument (and indeed all other arguments) must come before the -b, and anything after it will be interpreted as an argument to your macro.

Detecting Whether Metview is Running in Batch Mode

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