<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><br></div><blockquote type="cite"><div><div dir="ltr"><div><pre>In my little experience, I have found that usually data used in WRF from sources for example CFSR, NCEP FNL or ECMWF ERA Interim are interpolated to pressure levels and then ingested in WRF model.</pre><pre>I have recently tried to write the WRF input files using the MERRA data, but I have kept the data on the model levels which in case of MERRA are GEOS vertical levels.</pre><pre>I was wondering whether real.exe can figure out the vertical distribution
from the GEOS level to the eta level or do I need to provide some
information (example vertical levels) in namelist files for real or metgrid. </pre><pre>I have gone through the WRF manual and I could not find any specific
information on the data structure needed by WRF model, apart from a
specific format for intermediate file. For my model, I have used GLDAS
data for soil moisture etc. <font face="monospace, monospace">I have seen some cases on ncl (ncarg) website where they show how the intermediate file are written and I see that usually data in those example scripts is given on pressure levels</font><span style="font-family:arial,sans-serif">.</span></pre><pre><font face="monospace, monospace">I appreciate any help in this matter.</font></pre></div>
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