Hallo people,<div><br></div><div>I'm working currently with WRF and doing the postprocessing with ARWpost. I'd like to convert the output from ARWpost into Grib format. I've tried to use GrADS with 'lats4d' but I have found something wrog. In order to check the transformation of the files I compare surface varibles, like T2, available both before the transformation (WRF in NetCDF format) and after the transformation (the GRIB file). I'm quite surprised because the differences change considerably: for the same grid many times are the differences of the order of 0.01°C but some times are they close to 1.0°. I don't know if the problem boils down to some interpolations problem.</div>
<div><br></div><div>My question ist: has anybody experienced the same problem? is a such difference, in your opinion, acceptable?</div><div><br></div><div>I'd appreciate your help.</div><div><br></div><div>Ferdinand</div>
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