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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Dear NCL admin,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I try to use functions <i>cz2ccm</i> and <i>hydro</i> to calculate geopotential height. I cannot find those netCDF input files.<o:p></o:p></p><p class=MsoNormal>Do you have those files,<i><span style='color:red'> </span></i><span style='color:red'>01-50.nc and</span> <span style='color:red'>foo.nc </span>? <o:p></o:p></p><p class=MsoNormal>I checked your “Data files for some NCL examples”, <a href="http://www.ncl.ucar.edu/Applications/Data/">http://www.ncl.ucar.edu/Applications/Data/</a>, but didn’t find them.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>;==================================================================================<o:p></o:p></p><p class=MsoNormal>(1)cz2ccm<o:p></o:p></p><p class=MsoNormal><a href="http://www.ncl.ucar.edu/Document/Functions/Built-in/cz2ccm.shtml">http://www.ncl.ucar.edu/Document/Functions/Built-in/cz2ccm.shtml</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><i>Example 1<o:p></o:p></i></p><p class=MsoNormal><i> diri = "/fs/scd/home1/shea/ncldata_input/"<o:p></o:p></i></p><p class=MsoNormal><i> filphis = "<span style='color:red'>01-50.nc</span>" ; file with PHIS field<o:p></o:p></i></p><p class=MsoNormal><i> f = addfile (diri+filphis+".nc" , "r")<o:p></o:p></i></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>(2)hydro<o:p></o:p></p><p class=MsoNormal><a href="http://www.ncl.ucar.edu/Document/Functions/Built-in/hydro.shtml">http://www.ncl.ucar.edu/Document/Functions/Built-in/hydro.shtml</a><o:p></o:p></p><p class=MsoNormal>…<o:p></o:p></p><p class=MsoNormal><i>Example 4<o:p></o:p></i></p><p class=MsoNormal><i>Consider model upper level data and separate surface or near surface arrays. Merge the data prior to using hydro.<o:p></o:p></i></p><p class=MsoNormal><i><o:p> </o:p></i></p><p class=MsoNormal><i> f = addfile ("<span style='color:red'>foo.nc</span>","r")<o:p></o:p></i></p><p class=MsoNormal>…<o:p></o:p></p><p class=MsoNormal>;======================================================================================<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Andy<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>