<div dir="ltr"><div><div><div><div><div><div><div><div><div><div><div><div><div><div>Are you new to NCL?<br><br></div>If so, please see: <a href="http://www.ncl.ucar.edu/Document/Manuals/">http://www.ncl.ucar.edu/Document/Manuals/</a><br></div>[1] Mini-Language Manual . a brief but reasonably complete overview of NCL<br></div>[2] See the twp DKRZ titorials.<br><br>===<br></div><div>If the CMIP grids are rectilinear<br><br></div><div>region covering USA<br></div> latS =<br></div> latN = <br></div> lonW = <br></div> lonE =<br> <br></div> f = addfile(...)<br></div> x = f->VAR(:,{latS:latN},{lonW:lonE}) ; 3d<br></div> y = f->VAR(:,:,{latS:latN},{lonW:lonE}) ; 4d<br><br></div>; ***IF*** more specific maps are desired: read appropriate shape file <br></div><div>; READ CAREFULLY: <a href="http://www.ncl.ucar.edu/Applications/shapefiles.shtml">http://www.ncl.ucar.edu/Applications/shapefiles.shtml</a><br></div><div><br></div> fshp = addfile(...)<br><br></div>; Mask non-USA data<br>; <a href="http://www.ncl.ucar.edu/Applications/Scripts/shapefile_mask_data.ncl">http://www.ncl.ucar.edu/Applications/Scripts/shapefile_mask_data.ncl</a><br><br>==<br></div>Respond *only* to ncl-talk. Please no personal salutation.<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Oct 7, 2014 at 5:38 PM, amit timilsina <span dir="ltr"><<a href="mailto:timilsinaamit87@huskers.unl.edu" target="_blank">timilsinaamit87@huskers.unl.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
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I have used NCL to open netCDF file of CMIP5 simulated data. The data include maximum temperature over the 30 years in monthly basis for entire globe. Now, I want to screen data of USA only. Could you please help me, how can I do that? Is there any document with stepwise procedure?<br>
Thanks<br>
Amit<br>
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