<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:10pt"><div>I am having no luck getting WAFS GRIB2 files to plot in GrADS and get the "Cannot contour grid - all undefined values" error after many hours of trying seemingly everything. I am downloading the files from:<br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">http://www.ftp.ncep.noaa.gov/data/nccf/com/gfs/prod/gfs.2013121212/WAFS_blended_2013121212f06.grib2</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family:
HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">Then I generate the control files using g2ctl.pl and index files using gribmap. Here's an example ctl file:</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">_______________________________________________________________________________________<br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">dset
/home/matt/gfs_wafs/12z/WAFS_blended_2013121412f06.grib2<br>index /home/matt/gfs_wafs/12z/WAFS_blended_2013121412f06.grib2.idx<br>undef -0.5<br>title /home/matt/gfs_wafs/12z/WAFS_blended_2013121412f06.grib2<br>* produced by g2ctl v0.0.8.4<br>* command line options: /home/matt/gfs_wafs/12z/WAFS_blended_2013121412f06.grib2<br>* griddef=1:0:(288 x 145):grid_template=0:winds(N/S): lat-lon grid:(288 x 145) units 1e-06 input WE:NS output WE:SN res 48 lat 90.000000 to -90.000000 by 1.250000 lon 0.000000 to 358.750000 by 1.250000 #points=41760:winds(N/S)<br>dtype grib2<br>ydef 145 linear -90.000000 1.25<br>xdef 288 linear 0.000000 1.250000<br>tdef 1 linear 18Z14dec2013 6hr<br>* PROFILE hPa<br>zdef 6 levels 40000 35000 30000 25000 20000 15000<br>options pascals<br>vars 9<br>CATaveprs 6,100 0,19,22,0 ** (400 350 300 250 200 150) Clear Air Turbulence (CAT) [%]<br>CATmaxprs 6,100 0,19,22,2 ** (400 350 300 250 200 150) Clear Air
Turbulence (CAT) [%]<br>CBHEclm 0,10,0 0,6,25 ** entire atmosphere Horizontal Extent of Cumulonimbus (CB) [%]<br>CTPaveprs 6,100 0,19,21,0 ** (700 600 500 400 300) In-Cloud Turbulence [%]<br>CTPmaxprs 6,100 0,19,21,2 ** (700 600 500 400 300) In-Cloud Turbulence [%]<br>ICAHTcbb 0,11,0 0,3,3 ** cumulonimbus base ICAO Standard Atmosphere Reference Height [m]<br>ICAHTcbt 0,12,0 0,3,3 ** cumulonimbus top ICAO Standard Atmosphere Reference Height [m]<br>ICIPaveprs 6,100 0,19,20,0 ** (800 700 600 500 400 300) Icing [%]<br>ICIPmaxprs 6,100 0,19,20,2 ** (800 700 600 500 400 300) Icing [%]<br>ENDVARS</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style:
normal;">____________________________________________________________________________________</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">Here's the output from my .gs file:</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">___________________________________________________________________________________<br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;
background-color: transparent; font-style: normal;">Running in Batch mode<br>open WAFS_blended_2013121412f06.grib2.ctl<br>Scanning description file: WAFS_blended_2013121412f06.grib2.ctl<br>Data file /home/matt/gfs_wafs/12z/WAFS_blended_2013121412f06.grib2 is open as file 1<br>LON set to 0 360<br>LAT set to -90 90<br>LEV set to 400 400<br>Time values set: 2013:12:14:18 2013:12:14:18<br>E set to 1 1<br>set LON 0 358.75<br>LON set to 0 358.75<br>set gxout shaded<br>d CATmaxprs<br>Cannot contour grid - all undefined values<br>q dims<br>Default file number is: 1<br>X is varying Lon = 0 to 358.75 X = 1 to 288<br>Y is varying Lat = -90 to 90 Y = 1 to 145<br>Z is fixed Lev = 400 Z = 1<br>T is fixed Time = 18Z14DEC2013 T = 1<br>E is fixed Ens = 1 E = 1<br>quit<br>EXEC error: error in turb_dev.gs. EXEC
stopped.<br>No hardcopy metafile open<br>GX package terminated<br><br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">__________________________________________________________________________________</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">Any ideas?</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style:
normal;">Thanks,</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">Matt<br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;"><br><br></div></div></body></html>