Hi Brian: Netcdf-Java typically sets missing values to NaNs, sounds like NCL does not. If you can send me a sample file (and as much detail as needed to reproduce) I can double check if anything more nefarious is going on. John > Dear Sir, > > I am decoding NOAA ESRL HRRR model output in grib2 format and have > encountered a conflict. > > I am decoding the categorical precipitation fields: > CRAIN_P0_L1_GLC0 > CFRZR_P0_L1_GLC0 > CICEP_P0_L1_GLC0 > CSNOW_P0_L1_GLC0 > > In particular, I am decoding CFRZR and CICEP and am getting an issue that > when I use NCL to view the values of these parameters, I get values of "O". > > When I use netCDF-Java library 4.3.x or 4.5.2 (or NASA's Panoply tool which > employs netCDF-Java libraries) to view the values of these parameters, I get > values of "NaN". > > Can you explain what is happening here? Are the values in the grib2 file > actually missing and being decoded in two different ways? How can I determine? > > Thanks, > Brian > --- > Brian Griffith, Ph.D. > Senior Research Scientist & Site Lead > PEMDAS Technologies & Innovations > Phone: 828-398-8000 > address@hidden<mailto:address@hidden> > > [cid:address@hidden > CONFIDENTIALITY NOTICE: This email message and all attachments transmitted > with it may contain legally privileged and confidential information intended > solely for the use of the addressee. If the reader of this message is not the > intended recipient, you are hereby notified that any reading, dissemination, > distribution, copying, or other use of this message or its attachments is > strictly prohibited. If you have received this message in error, please > notify the sender immediately and delete this message from your system. Thank > you. > > > Ticket Details =================== Ticket ID: RGN-330338 Department: Support netCDF Java Priority: Normal Status: Open
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