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Input Model Data and DX, DY

PostPosted: Mon Mar 09, 2020 10:40 am
by niazmd
Can anyone clearfy how to choose WRF Grid Spacing (DX, DY) depending on Input Model data. Is this mandatory that DX, DY of the outer domain has to be equal to 27 for GFS 0.25 degree. What if I use a smaller DX, DY (say 13.5 or 7.5) for the outer domain.

Thanks in advance