Hi Bill- > We are working with some German GRIB files and we are trying to work with > them in IDV. We've had success with working with GRIB data from MeteoFrance > with their GRIB data following the IDV instructions for installing new grib > tables > > http://www.unidata.ucar.edu/software/idv/docs/userguide/data/GribTables.html > > But we having trouble with the DWD/German Grib data... > From WGRIB the test file we were sent returns > > rec 1:8:date 2009070700 WW kpds5=99 kpds6=1 kpds7=0 levels=(0,0) grid=255 sfc > 132hr fcst: > WW=Wetter (verschluesselt nach ww-Tabelle > timerange 0 P1 132 P2 0 TimeU 1 nx 720 ny 361 GDS grid 0 num_in_ave 0 > missing 0 > center 78 subcenter 255 process 174 Table 203 scan: WE:NS winds(N/S) > latlon: lat 90.000000 to -90.000000 by 0.500000 nxny 259920 > long 0.000000 to -0.500000 by 0.500000, (720 x 361) scan 0 mode 128 bdsgrid 1 > min/max data 0 96 num bits 16 BDS_Ref 0 DecScale 0 BinScale -9 > > so we set the grib1lookuptable.lst file to read > > 78: 255: 1: /accounts/wcapehar/IDV/dwd_203.tab Try: 78: -1: 203: /accounts/wcapehar/IDV/dwd_203.tab If that doesn't work, please upload a sample file and the table to: http://motherlode.ucar.edu/repository/alias/idvupload and i'll take a look further. Don Murray > and the partial dwd_203.tab (which is a little weird, it looks like they're > trying to encode metars & sypoptic reports) is > > -1:78:-1:203 > 0:var0:undefined > 1:PRES:Pressure [Pa] > 2:GPTZ:Geopotential Height [dam] > 4:TMP:Temperature [C] > 5:DEWP:Dew Point Temperature [C] > 6:UUVV:Coded Winds by U V [(X*100000 + ((Y*10)+5000)) m s-1] > 7:DIST_K:Geometric Height [1000 ft] > 8:DIST_H:Geometric Height [100 ft] > 9:SPDDIR:Coded Winds by SPD DIR [(dd*1000 + ff) deg kt] > 10:PTEND:Pressure tendency [Pa/3hr] > 99:WW:Significant Weather  > > Field 99 (Significant Weather) is the only data in the test file) > > When we run this through IDV, it calls it field 99 "snowmelt" in accordance > w/ the WMO table, as I understand it as if the file is not even being tapped. > > is there anything we have overlooked here? The (the "version" or > "subscenter" for example?) Ticket Details =================== Ticket ID: JZE-750046 Department: Support IDV Priority: Normal Status: Open
NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.