<div dir="ltr"><div>Please look at your data<br></div><div><br></div>[1] <br>Your script uses<br><div>      a = addfile(&quot;./wrfout_d01_2015-12-23_15:00:<a href="http://00.nc">00.nc</a>&quot;,&quot;r&quot;)<br>The file you sent is<br>                           wrfout_d01_2015-12-23_15_00_00<br><br></div><div>Please note the 15:00:00 and you sent 15_00_00<br><br>[2]<br></div><div>We have asked you before to use printVarSummary and/or printMinMax to &#39;look at your data.&#39; You constantly ignore that advice. Why??<br><br>   if(isfilevar(a,&quot;QVAPOR&quot;))<br>      qv = wrf_user_getvar(a,&quot;QVAPOR&quot;,it)<br>      qv = qv*1000.<br>      qv@units = &quot;g/kg&quot;<br>printMinMax(qv,0)         ; &lt;========= added<br>    end if<br>    if(isfilevar(a,&quot;QCLOUD&quot;))<br>      qc = wrf_user_getvar(a,&quot;QCLOUD&quot;,it)<br>      qc = qc*1000.<br>      qc@units = &quot;g/kg&quot;<br>printMinMax(qc,0)<br>    end if<br>    if(isfilevar(a,&quot;QRAIN&quot;))<br>      qr = wrf_user_getvar(a,&quot;QRAIN&quot;,it)<br>      qr = qr*1000.<br>      qr@units = &quot;g/kg&quot;<br>printMinMax(qr,0)<br>    end if<br>    if(isfilevar(a,&quot;QICE&quot;))<br>      qi = wrf_user_getvar(a,&quot;QICE&quot;,it)<br>      qi = qi*1000.<br>      qi@units = &quot;g/kg&quot;<br>printMinMax(qi,0)<br>    end if<br>=====================<br><br></div><div>Output&quot;<br></div><div><br> See <a href="http://www.ncl.ucar.edu/">http://www.ncl.ucar.edu/</a> for more details.<br><br>(0)    Water vapor mixing ratio: min=0.00438449   max=18.061<br>(0)    Cloud water mixing ratio: min=0   max=0<br>(0)    Rain water mixing ratio: min=0   max=0<br><br></div><div>So two of your variables are constant ... all zeros.<br><br></div><div>The warning message <br><br>warning:ContourPlotInitialize: scalar field is constant; ContourPlot not possible:[errno=1102]<br><br></div><div>Is telling you that the field(s) to be contoured are all one value ( 0.0 )and that it can not contour  a constant field.<br><br></div><div>Did you even look at the png files you generated?<br><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Mar 9, 2017 at 11:40 PM, isakhar sakhar isakhar <span dir="ltr">&lt;<a href="mailto:isakhar.inside13@gmail.com" target="_blank">isakhar.inside13@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Dear NCL Team<br><br></div>I am trying to plot cloud cover a region and I obtain the error as shown below<br><div><div><br>warning:ContourPlotInitialize: scalar field is constant; ContourPlot not possible:[errno=1102]<br>warning:ContourPlotInitialize: scalar field is constant; ContourPlot not possible:[errno=1102]<br>warning:ContourPlotInitialize: scalar field is constant; ContourPlot not possible:[errno=1102]<br>warning:ContourPlotInitialize: scalar field is constant; ContourPlot not possible:[errno=1102]<br>warning:ContourPlotInitialize: scalar field is constant; ContourPlot not possible:[errno=1102]<br>warning:ContourPlotInitialize: scalar field is constant; ContourPlot not possible:[errno=1102]<br>warning:ContourPlotInitialize: scalar field is constant; ContourPlot not possible:[errno=1102]<br>warning:ContourPlotInitialize: scalar field is constant; ContourPlot not possible:[errno=1102]<br>warning:ContourPlotInitialize: scalar field is constant; ContourPlot not possible:[errno=1102]<br>warning:ContourPlotInitialize: scalar field is constant; ContourPlot not possible:[errno=1102]<br><br></div><div>Script file and wrfout file are in attachment.<br><br></div><div>Thank you for any help.<br><br></div><div>Regards,<br></div><div>Soares<br></div></div></div>
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