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Rich, if you gridded TMPC from surface data, then to contour the grid, you will use: GVCORD = NONE GLEVEL = 0 GFUNC = TMPC Can you show me the output from gdinfo? And what you are using for gdcntr parameters? Steve Chiswell >From: NECOPS research account <address@hidden> >Organization: . >Keywords: 199903112115.OAA25778 >Chiz: > >Okay, i went back and created a new grid file using gdcfil; then went into >oabsfc and gridded data from a surface (sao) file using only one time and one >parameter (tmpc), after making sure that the data exists; then did gdinfo and >saw pretty much the same output that you sent in your email. Then I went to >gdcntr to plot something, and after running, but before accepting by hitting t > he ><cr>, I notice that the max and min values for tmpc were 0.00 and 0.00. So I >continued anyway to find that nothing was plotted. > >Also, when I do gdlist, it comes up with a "dg -23" message following by a "@" > , >whatever that means. > >I'm in a major crunch to get this done. Can you help me? > >Thanks. I'll be in my office for another hour or so. > >Rich >