[gradsusr] cdo conversion error from netcdf to grib

[Malleswararao Maguluri]

Dear all,

   I am getting error while converting merra data netcdf format to grib
format using CDO. Please can anybody give me the solution, how can i
convert merra netcdf data to grib format.

root at meteopolews6-To-be-filled-by-O-E-M:~/Downloads# cdo -f grb copy
MERRA100.prod.assim.tavg1_2d_slv_Nx.19790131.SUB.nc 1.grb

Warning (scanVarAttributes) : Grid type linear unsupported!
GRIB_API ERROR   :  concept: no match for shortName=slp
Warning (gribapiDefParam) : grib_api: No match for shortName=slp
GRIB_API ERROR   :  concept: no match for shortName=u10m
Warning (gribapiDefParam) : grib_api: No match for shortName=u10m
GRIB_API ERROR   :  concept: no match for shortName=v10m
Warning (gribapiDefParam) : grib_api: No match for shortName=v10m
GRIB_API ERROR   :  concept: no match for shortName=t2m
Warning (gribapiDefParam) : grib_api: No match for shortName=t2m
GRIB_API ERROR   :  concept: no match for shortName=qv2m
Warning (gribapiDefParam) : grib_api: No match for shortName=qv2m
GRIB_API ERROR   :  concept: no match for shortName=ts
Warning (gribapiDefParam) : grib_api: No match for shortName=ts
stream_gribapi.c at line 1983: grib_set_long(gh,
"significanceOfReferenceTime", 1) failed: Key/value not found


Awaiting for your reply,

Thanks & Regards,

-- 
M. MALLESWARA RAO
M.Tech (Atmospheric Science) & M.Sc (Physics)
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://gradsusr.org/pipermail/gradsusr/attachments/20140521/78a7e0d4/attachment.html