Ratna, Here are links to information about some other programs that can convert GRIB data to netCDF, if you have decided not to use ncl_convert2nc: http://www.unidata.ucar.edu/software/netcdf/docs/faq.html#grib A Java tool for converion, Grib2Netcdf, is described here: http://www.unidata.ucar.edu/software/decoders/ The netCDF C library is not capable of reading GRIB data or converting it to netCDF, so for this purpose you will need to use different software. --Russ Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: ZVW-166214 Department: Support netCDF Priority: Normal Status: Closed