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Grid nudging using WRF output

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New member

I would like to use the output from one WRF run as input for grid nudging for subsequent runs at the same resolution. To do so, I presumably need to turn the wrfout_xyz from the first run into a wrffdda_d01 file? Is there a simple way to do this with real.exe (i.e. without re-running all of WPS)?

Thanks in advance,