<pre>We are making extensive use of GRIB2 meteorological data. I use degrib -c Msg# -Flt -GrADS to convert the GRIB2 data for a given field into a binary float file and a control file. This process works well with all fields, except UGRD and VGRD. In the GRIB2 index files, these fields have a decimal value for the Message Number.<br><br>21:525022:d=2007070200:RH Relative humidity [%]:200 mb:6 hour fcst<br>22.1:546161:d=2007070200:UGRD u wind [m/s]:1000 mb:6 hour fcst<br>22.2:546161:d=2007070200:VGRD v wind [m/s]:1000 mb:6 hour fcst<br><br>If I input the decimal number into degrib, the degrib program crashes. If I enter just the integer value, I get reasonable looking values for the UGRD field, but the VGRD field is identical to UGRD.<br><br>Can anyone point me in the right direction to get both UGRD and VGRD from these GRIB2 files?<br><br>Thank you,<br><br>Michael Purves</pre><p> 
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