CONDUIT data users, We would like to increase the 0.5 degree (grid #4) GFS availability to the CONDUIT data stream as discussed at the working group meeting in January: http://www.unidata.ucar.edu/projects/CONDUIT/Unidata_CONDUIT_Status_and_Implementation_Update.pdf Currently, the CONDUIT feed provides F000 through F084 fields for the GFS at the half degree resolution in GRIB2 format. We now have access to the grids through F180 (an additional 1.2GB of data per model cycle) and plan to add this to the data stream. The addition of these files will involve a change in source file names of the existing and additional data files from the NWS ftp server file naming convention: ftp://tgftp.nws.noaa.gov/SL.us008001/ST.opnt/MT.gfs_CY.HH/RD.YYYYMMDD/PT.grid_DF.gr2/fh.FFFF_tl.press_gr.0p5deg to the NCEP ftp server naming convention: ftp://ftpprd.ncep.noaa.gov/pub/data/nccf/com/gfs/prod/gfs.YYYYMMDD/gfs.tHHz.pgrb2fFFF If you are currently using the 0.5 degree GFS products and the change of file naming would cause problems for your use of the data, please contact address@hidden as soon as possible. Eventually, we would like to remove the legacy 1.0 degree GRIB1 format (grid #3) products currently being sent in CONDUIT for the same F000-F180 time period to allow for additional new data sets. We encourage all users to transition to GRIB2 along with the NWS announced changes so that new data sets can be utilized to their fullest extent. Steve Chiswell Unidata User Support