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Hi Marston,<br>
<br>
as I'm also working in the CDO consultancy here in Hamburg, I would
like to have a closer look at your IFS file, too, to see if the CDO
version 1.8.2 could handle it.<br>
<br>
If the file is not too large you can attach it to an 'offline' email
to me or upload it creating a new request on
<a class="moz-txt-link-freetext" href="https://code.mpimet.mpg.de/projects/cdo/boards/1">https://code.mpimet.mpg.de/projects/cdo/boards/1</a> .<br>
<br>
Thanks in advance,<br>
Karin<br>
<br>
<div class="moz-cite-prefix">Am 27.06.17 um 20:49 schrieb Marston
Johnston:<br>
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<p class="MsoNormal"><span style="font-size:11.0pt">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">For years
I’ve been using CDO to convert ECMWF’s IFS grib files to
netcdf and converting it from reduced Gaussian grid to
regular lat lon.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">But CDO has
not kept up the pace with updates and they do not respond to
many questions.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Therefore,
I’m attempting to move this part of my processing chain to
NCL.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I’m using
NCL 6.5 (beta) to read the grib file (see attached log
file). There 1 or 2 problems and then I have a question.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoListParagraph"
style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="font-size:11.0pt"><span style="mso-list:Ignore">1.)<span
style="font:7.0pt "Times New Roman""> </span></span></span><!--[endif]--><span
style="font-size:11.0pt">My NCL script is not finding the
experimental variables in the grib file. These variables are
given the generic names varXXX where XXX can be between 88
and 111, for example.<o:p></o:p></span></p>
<p class="MsoListParagraph"
style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="font-size:11.0pt"><span style="mso-list:Ignore">2.)<span
style="font:7.0pt "Times New Roman""> </span></span></span><!--[endif]--><span
style="font-size:11.0pt">The script also doesn’t find the 3D
records. I’m not sure how NCL finds these records in the
grib file and then lists them as a 3D (time,lev,lat,lon),
not counting the time. <o:p></o:p></span></p>
<p class="MsoListParagraph"
style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="font-size:11.0pt"><span style="mso-list:Ignore">3.)<span
style="font:7.0pt "Times New Roman""> </span></span></span><!--[endif]--><span
style="font-size:11.0pt">If 1 and 2 can be resolved, how can
I then convert the reduced Gaussian grid to regular lat lon?
Would ESMF work if I setup a regular lat lon grid?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Appreciate
your thoughts on this.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">/M<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New
Roman";color:#0070C0;mso-fareast-language:EN-GB">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New
Roman";color:#0070C0;mso-fareast-language:EN-GB">Marston
S. Johnston, PhD<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New
Roman";color:#0070C0;mso-fareast-language:EN-GB">Department
of Earth Sciences<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New
Roman";color:#0070C0;mso-fareast-language:EN-GB">University
of Gothenburg, Sweden<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New
Roman";color:#0070C0;mso-fareast-language:EN-GB">Email: <a
moz-do-not-send="true"
href="mailto:marston.johnston@gu.se"><span
style="color:#0070C0">marston.johnston@gu.se</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New
Roman";color:#0070C0;mso-fareast-language:EN-GB">SkypeID:
marston.johnston <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New
Roman";color:#0070C0;mso-fareast-language:EN-GB">Phone:
+46-31-7864901 <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New
Roman";color:#0070C0;mso-fareast-language:EN-GB">Only
the fruitful thing is true!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New
Roman";color:#0070C0;mso-fareast-language:EN-GB">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<pre class="moz-signature" cols="72">--
Dipl. Geophys. Karin Meier-Fleischer
Visualization, NCL, CDO
Application Support
Deutsches Klimarechenzentrum GmbH (DKRZ)
Bundesstrasse 45a - D20146 Hamburg - Germany
Phone: +49 (0)40 460094 126
Fax: +49 (0)40 460094 270
E-Mail: <a class="moz-txt-link-abbreviated" href="mailto:meier-fleischer@dkrz.de">meier-fleischer@dkrz.de</a>
URL: <a class="moz-txt-link-abbreviated" href="http://www.dkrz.de">www.dkrz.de</a>
Geschäftsführer: Prof. Dr. Thomas Ludwig
Sitz der Gesellschaft: Hamburg
Amtsgericht Hamburg HRB 39784
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