<DIV>I have a netcdf input file that I am&nbsp;attempting to write a formatter for...</DIV>  <DIV>&nbsp;</DIV>  <DIV>I have done everything I can to conform to the COARDS conventions, but I still get "Entire grid is undefined!" </DIV>  <DIV>&nbsp;</DIV>  <DIV>or U is undefined... </DIV>  <DIV>when trying to plot the u;v components.. </DIV>  <DIV>&nbsp;</DIV>  <DIV>"cannot draw vector/barbs --- u field all undefined" &lt;-- is the exact error... </DIV>  <DIV>&nbsp;</DIV>  <DIV>Since I am relatively new to grads so perhaps I am missing something here.</DIV>  <DIV>&nbsp;</DIV>  <DIV>The Netcdf files I am creating are to show windbarbs of specific stations and I am hoping to open multiple files to plot each of these data points in grads for each time stamp... </DIV>  <DIV>&nbsp;</DIV>  <DIV>However, I have to get to the point of definition first... </DIV>  <DIV>&nbsp;</DIV>  <DIV>I am including a small sample cdl output... any help would be greatly appreciated.</DIV>
 <DIV>&nbsp;</DIV>  <DIV>-- Robert Powell</DIV>  <DIV>&nbsp;</DIV>  <DIV>/////</DIV>  <DIV>&nbsp;</DIV>  <DIV>&nbsp;</DIV>  <DIV>netcdf jeanShort.csv{</DIV>  <DIV>&nbsp;</DIV>  <DIV>dimensions:</DIV>  <DIV>&nbsp;lon = 1 ;</DIV>  <DIV>&nbsp;lat = 1 ;</DIV>  <DIV>&nbsp;level = 30 ;</DIV>  <DIV>&nbsp;windspeed = 60 ;</DIV>  <DIV>&nbsp;winddir = 60 ;</DIV>  <DIV>&nbsp;time = UNLIMITED ; // Currently 2</DIV>  <DIV>&nbsp;</DIV>  <DIV>variables:</DIV>  <DIV>&nbsp;double lon(lon) ; </DIV>  <DIV>&nbsp;&nbsp;lon:long_name = "longitude" ; </DIV>  <DIV>&nbsp;&nbsp;lon:units = "degrees_east" ; </DIV>  <DIV>&nbsp;double lat(lat) ; </DIV>  <DIV>&nbsp;&nbsp;lat:long_name = "latitude" ;</DIV>  <DIV>&nbsp;&nbsp;lat:units = "degrees_north" ;</DIV>  <DIV>&nbsp;double level(level) ; </DIV>  <DIV>&nbsp;&nbsp;level:units = "meters" ; </DIV>  <DIV>&nbsp;&nbsp;level:positive = "up" ; </DIV>  <DIV>&nbsp;double windspeed(windspeed) ; </DIV>  <DIV>&nbsp;&nbsp;windspeed:long_name = "wind speed in m/s"
 ; </DIV>  <DIV>&nbsp;&nbsp;windspeed:missing_value = -9999 ; </DIV>  <DIV>&nbsp;&nbsp;windspeed:units = "m s-1" ; </DIV>  <DIV>&nbsp;double winddir(winddir) ; </DIV>  <DIV>&nbsp;&nbsp;winddir:long_name = "wind direction in degrees north" ; </DIV>  <DIV>&nbsp;&nbsp;winddir:missing_value = -9999 ; </DIV>  <DIV>&nbsp;long time(time) ; </DIV>  <DIV>&nbsp;&nbsp;time:units = "hours since 1970-1-1 00:00:0.0" ;</DIV>  <DIV>&nbsp;&nbsp;time:long_name = "hours since 1970-1-1 00:00:0.0" ; </DIV>  <DIV>&nbsp;double u(time, level, lat, lon) ; </DIV>  <DIV>&nbsp;&nbsp;u:long_name = "u vector" ; </DIV>  <DIV>&nbsp;&nbsp;u:missing_value = -9999 ; </DIV>  <DIV>&nbsp;&nbsp;u:units = "m s-1" ; </DIV>  <DIV>&nbsp;double v(time, level, lat, lon) ; </DIV>  <DIV>&nbsp;&nbsp;v:long_name = "v vector" ; </DIV>  <DIV>&nbsp;&nbsp;v:missing_value = -9999 ; </DIV>  <DIV>&nbsp;&nbsp;v:units = "m s-1" ; </DIV>  <DIV>&nbsp;double pressure(time,level,lat,lon); </DIV>
 <DIV>&nbsp;&nbsp;pressure:missing_value = -9999 ; </DIV>  <DIV>&nbsp;double o3(time, level, lat, lon) ; </DIV>  <DIV>&nbsp;&nbsp;o3:missing_value = -9999 ; </DIV>  <DIV>&nbsp;double temp(time, level, lat, lon) ; </DIV>  <DIV>&nbsp;&nbsp;temp:missing_value = -9999 ; </DIV>  <DIV>&nbsp;double rh(time, level, lat, lon) ; </DIV>  <DIV>&nbsp;&nbsp;rh:missing_value = -9999 ; </DIV>  <DIV>&nbsp;</DIV>  <DIV>&nbsp;data:</DIV>  <DIV>&nbsp;&nbsp;lon = -115.3333 ; </DIV>  <DIV><BR>&nbsp;&nbsp;lat = 35.7667 ; </DIV>  <DIV><BR>&nbsp;&nbsp;level = 882,902,922,942,962,<BR>&nbsp;&nbsp;982,1002,1022,1042,1062,<BR>&nbsp;&nbsp;1082,1102,1122,1142,1162,<BR>&nbsp;&nbsp;1182,1202,1222,1242,1262,<BR>&nbsp;&nbsp;1282,1302,1322,1342,1362,<BR>&nbsp;&nbsp;1382,1402,1422,1442,1462 ; </DIV>  <DIV><BR>&nbsp;&nbsp;time = 310375,310376 ; </DIV>  <DIV><BR>&nbsp;&nbsp;windspeed =
 -9999,5.12,8.1,9.13,7.54,<BR>&nbsp;&nbsp;8.75,10.38,8.74,8.53,6.97,<BR>&nbsp;&nbsp;8.18,7.93,8.67,10.24,7.84,<BR>&nbsp;&nbsp;5.19,5.08,6.28,12.2,6.93,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,7.63,7.98,8.11,7.03,<BR>&nbsp;&nbsp;8.21,7.09,7.91,6.66,8.12,<BR>&nbsp;&nbsp;7.73,9.48,7.77,8.24,10.23,<BR>&nbsp;&nbsp;8.03,8.38,12.16,8.05,9.71,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,17.48,-9999,-9999,-9999 ; </DIV>  <DIV><BR>&nbsp;&nbsp;winddir =
 -9999,201,187,182,188,<BR>&nbsp;&nbsp;216,209,203,204,196,<BR>&nbsp;&nbsp;197,203,211,217,245,<BR>&nbsp;&nbsp;257,274,246,232,295,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,175,173,183,182,<BR>&nbsp;&nbsp;197,197,201,203,197,<BR>&nbsp;&nbsp;209,199,218,239,225,<BR>&nbsp;&nbsp;220,239,249,235,236,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,215,-9999,-9999,-9999 ; </DIV>  <DIV><BR>&nbsp;&nbsp;u =
 -9999,1.83484148059513,0.9871378930745,0.318628220155604,1.04936164393189,<BR>&nbsp;&nbsp;5.14311710445894,5.03231907677181,3.41498594747955,3.46945955953588,1.92118906085767,<BR>&nbsp;&nbsp;2.39159666128098,3.0984941148184,4.46537615800657,6.16258136510406,7.10545100476382,<BR>&nbsp;&nbsp;5.05697988013423,5.06762561999368,5.73706389056461,9.61372680282721,6.28071514134196,<BR>&nbsp;&nbsp;0,0,0,0,0,<BR>&nbsp;&nbsp;0,0,0,0,0,<BR>&nbsp;&nbsp;-9999,-0.665001669114948,-0.97252081332444,0.42444087033222,0.24534023961598,<BR>&nbsp;&nbsp;2.40036779818055,2.07291202059684,2.83468674052881,2.60226617965833,2.37405438748186,<BR>&nbsp;&nbsp;3.7475748038002,3.08638160933055,4.78368629970999,7.06305600181727,7.23369827012026,<BR>&nbsp;&nbsp;5.16158109555769,7.18305938048893,11.3523352518616,6.59417122222743,8.04995160039199,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,10.0261083496756,-9999,-9999,-9999 ; </DIV>  <DIV><BR>&nbsp;&nbsp;v =
 -9999,4.77993271302928,8.03962429346399,9.12443839681766,7.46662173544666,<BR>&nbsp;&nbsp;7.07890150022035,9.07855521047036,8.04521416610628,7.79254453723205,6.69999496958325,<BR>&nbsp;&nbsp;7.82257409103612,7.29960507290879,7.43164287136475,8.17803099275567,3.31333155885445,<BR>&nbsp;&nbsp;1.16749924707366,-0.354359387604836,2.55430967495714,7.51107561941708,-2.92873988488528,<BR>&nbsp;&nbsp;0,0,0,0,0,<BR>&nbsp;&nbsp;0,0,0,0,0,<BR>&nbsp;&nbsp;-9999,7.60096525318162,7.92051786612787,8.0988857225912,7.0257176264653,<BR>&nbsp;&nbsp;7.85126323806927,6.78020174883204,7.38462260938703,6.13056365517939,7.76519579696984,<BR>&nbsp;&nbsp;6.76081230991675,8.96351764440647,6.12284618343193,4.24391799110126,7.23370647295417,<BR>&nbsp;&nbsp;6.15133973976251,4.31602339386269,4.35776138967474,4.61729421760706,5.4297678800614,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,14.318783166197,-9999,-9999,-9999 ; </DIV>  <DIV><BR>&nbsp;&nbsp;pressure =
 -9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999 ; </DIV>  <DIV><BR>&nbsp;&nbsp;o3 =
 -9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999 ; </DIV>  <DIV><BR>&nbsp;&nbsp;temp=
 -9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999 ; </DIV>  <DIV><BR>&nbsp;&nbsp;rh =
 -9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999,<BR>&nbsp;&nbsp;-9999,-9999,-9999,-9999,-9999 ; <BR>}</DIV>  <DIV>&nbsp;</DIV>  <DIV>&nbsp;</DIV>  <DIV>&nbsp;</DIV><p>
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