<div dir="ltr"><div><div><div>What version of NCL are you using?<br><br></div><div>*Always* include that in a new thread.<br><br></div><div>%> ncl -V<br><br>===============<br></div><div>grib (grib-1, grib-2), netCDF (netCDF-3, netCDF-4), HDF-4/5-EOS, HDF5<br><br></div><b>**It does not matter.**</b><br><br> NCL's <b>addfiles</b> can read one or more in any of these formats.<br><br><a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/addfiles.shtml" target="_blank">https://www.ncl.ucar.edu/Docum<wbr>ent/Functions/Built-in/addfile<wbr>s.shtml</a><br><br>===<br></div>NCL has been used to read terabytes of ERA-I, NCEP and MERRA data ...<br><br></div><div>Typically, MERRA2 files have a suffix of .nc4<br><br></div><div>NCL reads these without a problem.<br></div><br>MERRA:%> <b>ncl_filedump </b>MERRA2_400.tavg1_2d_slv_Nx.201<wbr>40101.<b>nc4</b><br><div><br></div><div>[snip]<br></div><div> Filename : MERRA2_400.tavg1_2d_slv_Nx.201<wbr>40101.nc4<br> Conventions : CF-1<br> Institution : NASA Global Modeling and Assimilation Office<br> References : <a href="http://gmao.gsfc.nasa.gov" target="_blank">http://gmao.gsfc.nasa.gov</a><br> Format : NetCDF-4/HDF-5<br></div><div>[snip]<br></div><div><div><br>===<br><b>addfile/addfiles</b> look at the file extension. Your file has and extension of: <b>.nc</b><br><a href="http://MERRA2_200.tavgM_3d_cld_Np.199902.nc4.nc" target="_blank">MERRA2_200.tavgM_3d_cld_Np.199<wbr>902.nc4.nc</a><br><br></div><div>However, the above file is a netCDF-4 file.<br><br></div><div>Who/What added the extra <b>.nc</b> ? <br><br><br></div><div>Cheers<br></div><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Dec 23, 2017 at 8:53 PM, Wang Xinyue via ncl-talk <span dir="ltr"><<a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">Hi<div><br></div><div>I downloaded ERA-I data directly in nc format.</div><div><br></div><div>Yes you are right, I can use addfiles to read some nc data, such as NECP nc data.</div><div>However, when I use the same commands to read ERA-I data and MERRA2 data, it doesn’t work. I do not know why.</div><div><br></div><div>Best regards,</div><div>Xinyue<br><div><blockquote type="cite"><span class=""><div>On Dec 24, 2017, at 12:49, Krishnamoorthy Chandramouli <<a href="mailto:chandrakrishna.90@gmail.com" target="_blank">chandrakrishna.90@gmail.com</a>> wrote:</div><br class="m_-7625188008156634045Apple-interchange-newline"></span><div><span class=""><div dir="ltr"><div><div><div><div>Hi<br><br>From your error message it looks like you want to read ERA data<br><br>I think ERA interim data is in grib format.<br><br></div>I used to convert it to netcdf using ncl_convert2nc <br><br></div>then i read the file.<br><br></div>If you want to read nc4 file. you can do it directly using addfile. <br><br></div>I have read the nc4 IMERG data recently, i never encountered a problem.<br><br><br></div></span><div class="gmail_extra"><br clear="all"><div><div class="m_-7625188008156634045gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><b>Regards,</b><br></div><i>Krishnamoorthy Chandramouli</i><br></div></div></div>
<br><div class="gmail_quote"><span class="">On Sun, Dec 24, 2017 at 9:06 AM, Wang Xinyue via ncl-talk <span dir="ltr"><<a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a>></span> wrote:<br></span><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><span class=""><span style="font-size:14px">Hi Karin,</span><div><span style="font-size:14px"><br></span></div><div><span style="font-size:14px">Thanks for the reply.</span></div><div><span style="font-size:14px">However, it did not work, I got the same warning:</span></div></span><div><span id="m_-7625188008156634045cid:5E683705-5946-4B5A-99B7-86499EB325FD"><PastedGraphic-3.png></span><div><div class="h5"><br><div><blockquote type="cite"><div>On Dec 22, 2017, at 23:59, Karin Meier-Fleischer <<a href="mailto:meier-fleischer@dkrz.de" target="_blank">meier-fleischer@dkrz.de</a>> wrote:</div><br class="m_-7625188008156634045m_5232424483728851428Apple-interchange-newline"><div>
<div text="#000000" bgcolor="#FFFFFF">
Try:<br>
<pre><pre><pre>fils = systemfunc("ls *.nc")
setfileoption("nc", "FileStructure", "Advanced")
f = addfiles(fils,"r")
</pre></pre></pre>
-Karin<br>
<br>
<div class="m_-7625188008156634045m_5232424483728851428moz-cite-prefix">Am 22.12.17 um 12:20 schrieb Wang
Xinyue:<br>
</div>
<blockquote type="cite">
<span style="font-size:14px">Hi Karin,</span>
<div><span style="font-size:14px"><br>
</span>
<div><span style="font-size:14px">Thanks for
your prompt reply!</span></div>
<div><span style="font-size:14px">The 199902
dataset is just one of the datasets I want to read, I
selected that one randomly and every single dataset got the
same warning as:</span></div>
<div>
<blockquote type="cite">
<div text="#000000" bgcolor="#FFFFFF">
<blockquote type="cite">
<div style="margin:0px;font-size:18px;line-height:normal;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures">
<div style="margin:0px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">warning:_NclOpenFile: Can
not open file
</.../.../merra2/<a href="http://merra2_200.tavgm_3d_cld_np.199902.nc4.nc/" target="_blank">MERRA2_200.ta<wbr>vgM_3d_cld_Np.199902.nc4.nc</a>>;
file format not supported or file is corrupted</span></div>
</span></div>
</blockquote>
</div>
</blockquote>
</div>
<div>
<div text="#000000" bgcolor="#FFFFFF">
<blockquote type="cite">
<div style="margin:0px;font-size:18px;line-height:normal;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures">
<div style="margin:0px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><br>
</span></div>
</span></div>
</blockquote>
</div>
</div>
<div><span style="font-size:14px"><br>
</span></div>
<div><span style="font-size:14px">The
ncl_filedump output is like this:</span></div>
<div><span style="font-size:14px"><br>
</span></div>
<div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures">Variable: f</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures">Type: file</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures">filename:<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>MERRA2_400.tavgM_3d_cld_Np.201<wbr>112.nc4</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures">path:<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>/.../<a href="http://merra2_400.tavgm_3d_cld_np.201112.nc4.nc/" target="_blank">MERRA2_400.tavgM_3d_cld_N<wbr>p.201112.nc4.nc</a></span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> file global attributes:</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> History : Original
file generated: Sat Jul 4 21:58:25 2015 GMT</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> Filename :
MERRA2_400.tavgM_3d_cld_Np.201<wbr>112.nc4</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> Comment : GMAO
filename:
d5124_m2_jan10.tavg3_3d_cld_Np<wbr>.monthly.201112.nc4</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> Conventions : CF-1</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> Institution : NASA
Global Modeling and Assimilation Office</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> References : <a href="http://gmao.gsfc.nasa.gov/" target="_blank">http://gmao.gsfc.nasa.gov</a></span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> Format :
NetCDF-4/HDF-5</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> SpatialCoverage :
global</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> VersionID : 5.12.4</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> TemporalRange :
1980-01-01 -> 2016-12-31</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures">
identifier_product_doi_autho<wbr>rity : <a href="http://dx.doi.org/" target="_blank">http://dx.doi.org/</a></span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> ShortName : M2TMNPCLD</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> RangeBeginningDate :
2011-12-01</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> RangeEndingDate :
2011-12-31</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> GranuleID :
MERRA2_400.tavgM_3d_cld_Np.201<wbr>112.nc4</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> ProductionDateTime :
Original file generated: Sat Jul 4 21:58:25 2015 GMT</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> LongName : MERRA2
tavg3_3d_cld_Np:
3d,3-Hourly,Time-Averaged,Pres<wbr>sure-Level,Assimilation,Cloud
Diagnostics Monthly Mean</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> Title : MERRA2
tavg3_3d_cld_Np:
3d,3-Hourly,Time-Averaged,Pres<wbr>sure-Level,Assimilation,Cloud
Diagnostics Monthly Mean</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> SouthernmostLatitude
: -90.0</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> NorthernmostLatitude
: 90.0</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> WesternmostLongitude
: -180.0</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> EasternmostLongitude
: 179.375</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> LatitudeResolution :
0.5</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> LongitudeResolution :
0.625</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> DataResolution : 0.5
x 0.625 (42 pressure levels)</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> Source : CVS tag:
GEOSadas-5_12_4</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> Contact : <a href="http://gmao.gsfc.nasa.gov/" target="_blank">http://gmao.gsfc.nasa.gov</a></span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures">
identifier_product_doi : 10.5067/J9R0LXGH48JR</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> RangeBeginningTime :
00:00:00.000000</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> RangeEndingTime :
23:59:59.000000</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures">
DODS_EXTRA.Unlimited_Dimensi<wbr>on : time</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> history : 2017-12-10
06:40:28 GMT Hyrax-1.13.4 <a href="https://goldsmr5.gesdisc.eosdis.nasa.gov/opendap/MERRA2_MONTHLY/M2TMNPCLD.5.12.4/2011/MERRA2_400.tavgM_3d_cld_Np.201112.nc4.nc?CLOUD[0:0][0:41][0:360][0:575],time,lev,lat[0:360],lon[0:575" target="_blank">https://goldsmr5.gesdisc.eosdi<wbr>s.nasa.gov:443/opendap/MERRA2_<wbr>MONTHLY/M2TMNPCLD.5.12.4/2011/<wbr>MERRA2_400.tavgM_3d_cld_Np.<wbr>201112.nc4.nc?CLOUD[0:0][0:41]<wbr>[0:360][0:575],time,lev,lat[0:<wbr>360],lon[0:575</a>]</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> dimensions:</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> time = 1</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> lev = 42</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> lat = 361</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> lon = 576</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> variables:</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> float CLOUD ( time,
lev, lat, lon )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> long_name :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>cloud_fraction_for_radiation</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> units :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> _FillValue :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> missing_value :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> fmissing_value :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> vmax :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> vmin :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>-1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> valid_range :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>(
-1e+15, 1e+15 )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> origname :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>CLOUD</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> fullnamepath :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>/CLOUD</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);min-height:25px"><span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> double lat ( lat )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> CLASS :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>DIMENSION_SCALE</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> NAME :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>lat</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> long_name :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>latitude</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> units :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>degrees_north</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> vmax :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> vmin :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>-1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> valid_range :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>(
-1e+15, 1e+15 )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> origname :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>lat</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> fullnamepath :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>/lat</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);min-height:25px"><span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> double lev ( lev )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> CLASS :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>DIMENSION_SCALE</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> NAME :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>lev</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> long_name :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>vertical
level</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> units :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>hPa</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> positive :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>down</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> vmax :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> vmin :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>-1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> valid_range :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>(
-1e+15, 1e+15 )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> origname :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>lev</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> fullnamepath :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>/lev</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);min-height:25px"><span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> double lon ( lon )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> CLASS :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>DIMENSION_SCALE</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> NAME :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>lon</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> long_name :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>longitude</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> units :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>degrees_east</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> vmax :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> vmin :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>-1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> valid_range :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>(
-1e+15, 1e+15 )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> origname :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>lon</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> fullnamepath :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>/lon</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);min-height:25px"><span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> integer time ( time )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> CLASS :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>DIMENSION_SCALE</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> NAME :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>time</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> long_name :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>time</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> units :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>minutes
since 2011-12-01 01:30:00</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> time_increment :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>60000</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> begin_date :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>20111201</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> begin_time :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>13000</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> vmax :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> vmin :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>-1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> valid_range :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>(
-1e+15, 1e+15 )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> origname :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>time</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"> fullnamepath :<span class="m_-7625188008156634045m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>/time</span></div>
</div>
</div>
<div style="margin:0px;line-height:normal;background-color:rgb(255,255,255)"><span style="font-size:14px">Thanks,</span></div>
<div style="margin:0px;line-height:normal;background-color:rgb(255,255,255)"><span style="font-size:14px">Xinyue</span></div>
<div>
<blockquote type="cite">
<div>On Dec 22, 2017, at 19:16, Karin Meier-Fleischer
via ncl-talk <<a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a>> wrote:</div>
<br class="m_-7625188008156634045m_5232424483728851428Apple-interchange-newline">
<div>
<div text="#000000" bgcolor="#FFFFFF"> Hi Xinyue,<br>
<br>
please, send the output of <b>ncl_filedump</b>
from <a href="http://merra2_200.tavgm_3d_cld_np.199902.nc4.nc/" target="_blank">MERRA2_200.tavgM_3d_cld_Np.199<wbr>902.nc4.nc</a><br>
<br>
-Karin<br>
<br>
<br>
<div class="m_-7625188008156634045m_5232424483728851428moz-cite-prefix">Am 22.12.17 um 10:16 schrieb
Wang Xinyue via ncl-talk:<br>
</div>
<blockquote type="cite">
<font size="4" face="Times">Hi there,</font>
<div><font size="4" face="Times"><br>
</font></div>
<div><font size="4" face="Times">I met
with a problem in reading nc files.</font></div>
<div><font size="4" face="Times">I can
use the following commands to read NCEP datasets:</font></div>
<div><br>
</div>
<div><span style="background-color:rgb(255,255,255)"><font size="4" face="Menlo">fils = systemfunc("ls
/.../.../ncep/omega/*.nc”)</font></span> </div>
<div>
<div style="margin:0px;font-size:18px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures">f = addfiles(fils,
"r”)</span></div>
</div>
<div style="margin:0px;font-size:18px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"><br>
</span></div>
<div style="margin:0px;font-size:18px;line-height:normal;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"><font face="Times">But when I use the same commands to
read ERA-I datasets and MERRA2 datasets, it warned
like this:</font></span></div>
<div style="margin:0px;font-size:18px;line-height:normal;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures"><br>
</span></div>
<div style="margin:0px;font-size:18px;line-height:normal;background-color:rgb(255,255,255)"><span style="font-variant-ligatures:no-common-ligatures">
<div style="margin:0px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">warning:_NclOpenFile:
Can not open file
</.../.../merra2/<a href="http://merra2_200.tavgm_3d_cld_np.199902.nc4.nc/" target="_blank">MERRA2_200.ta<wbr>vgM_3d_cld_Np.199902.nc4.nc</a>>;
file format not supported or file is corrupted</span></div>
<div style="margin:0px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><br>
</span></div>
<div style="margin:0px;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"><font face="Times">Is anyone there had similar
experience before? And how did you fix it?</font></span></div>
<div style="margin:0px;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"><font face="Times"><br>
</font></span></div>
<div style="margin:0px;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"><font face="Times">Looking forward to your reply.</font></span></div>
<div style="margin:0px;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"><font face="Times"><br>
</font></span></div>
<div style="margin:0px;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"><font face="Times">Thanks,</font></span></div>
<div style="margin:0px;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"><font face="Times">Xinyue</font></span></div>
<div style="margin:0px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><br>
</span></div>
</span></div>
<br>
<fieldset class="m_-7625188008156634045m_5232424483728851428mimeAttachmentHeader"></fieldset>
<br>
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</pre>
</blockquote>
<br>
<pre class="m_-7625188008156634045m_5232424483728851428moz-signature" cols="72">--
Dipl. Geophys. Karin Meier-Fleischer
Visualization, NCL, CDO
Application Support
Deutsches Klimarechenzentrum GmbH (DKRZ)
Bundesstrasse 45a - D20146 Hamburg - Germany
Phone: <a href="tel:+49%2040%20460094126" value="+4940460094126" target="_blank">+49 (0)40 460094 126</a>
Fax: <a href="tel:+49%2040%20460094270" value="+4940460094270" target="_blank">+49 (0)40 460094 270</a>
E-Mail: <a class="m_-7625188008156634045m_5232424483728851428moz-txt-link-abbreviated" href="mailto:meier-fleischer@dkrz.de" target="_blank">meier-fleischer@dkrz.de</a>
URL: <a class="m_-7625188008156634045m_5232424483728851428moz-txt-link-abbreviated" href="http://www.dkrz.de/" target="_blank">www.dkrz.de</a>
Geschäftsführer: Prof. Dr. Thomas Ludwig
Sitz der Gesellschaft: Hamburg
Amtsgericht Hamburg HRB 39784
</pre>
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</blockquote>
</div>
<br>
</blockquote>
</div>
</div></blockquote></div><br></div></div></div></div><div><div class="h5"><br>______________________________<wbr>_________________<br>
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