<html><body class="ApplePlainTextBody" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Dear Claudio-san,<br><blockquote type="cite">I download the gfs grib datasets stored in:<br></blockquote><blockquote type="cite">ftp://ftpprd.ncep.noaa.gov/pub/data/nccf/com/gfs/prod/gfs.yyyymmddhh/wafsgfs_P_hhz_intdskFF<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">I apply:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">cat * > mydata.grb<br></blockquote><blockquote type="cite">grib2ctl.pl -verf mydata.grb > mydata.ctl<br></blockquote><blockquote type="cite">gribmap -e -i mydata.ctl<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">All variables seems OK in the map, but the precipitation doesn't show,<br></blockquote><blockquote type="cite">grads only says "Cannot contour grid - all indefined values"<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">What's wrong ? (perhaps grib2ctl doesn't support precipitation yet)<br></blockquote><br> I am not familiar to the gfs dataset. But,<br> Precipitation would be forecast variable. Thus at t=0, there is no values at all grid points.<br>However, if you set t=1, then I hope you may get the accumulated precipitation between t=0 and t=1.<br><br>********************************************<br>Tetsuo Nakazawa<br> nakazawa@mri-jma.go.jp<br>Typhoon Research Department<br>Meteorological Research Institute<br>Tel: 029-853-8671 Fax: 029-853-8735<br>********************************************<br><br><br></body></html>