This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Greetings! Unfortunately, NCEP is no longer distributing the GEFS output through the data feeds we have access to. You'll need to access it directly from NCEP: https://www.nco.ncep.noaa.gov/pmb/products/gens/ or access it from the AWS public dataset in S3 cloud storage: https://registry.opendata.aws/noaa-gefs/ Hope this helps, Ryan > Dear, > > I developed a Python script that uses the TDS catalog to plot weather > forecast data from the GFS model. At this point, I would like to do the > same for the GEFS model data. However, there is no data available on > https://thredds.ucar.edu/thredds/catalog/grib/NCEP/GEFS/Global_1p0deg_Ensemble/members/catalog.html > Could you please let me know the correct address to access the GEFS model > data using the TDS catalog? Ticket Details =================== Ticket ID: XPF-391533 Department: Support THREDDS Priority: High Status: Closed =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.