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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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, Be careful as the "current" directory is a rotating collection of the last ~24 hours of imagery. If you need to access the data beyond that time frame, you need to use the directories with the YYYYMMDD structure, like in the link I sent you that worked. If you want to be sure the dataset is still present, always use code to query the data you want from the catalog rather than using a fixed url. Cheers, Ryan > Hi Ryan, > > thanks very much. Using the newer dataset you linked I was able to get it to > work just fine. > > I guess that means I was likely downloading expired datasets through the > siphon interface. I find that a little odd, since I believe I was just using > the 'current' dataset for the GOES 16 CMIP catalog. I'll have to investigate > a bit more to see if I could be making any mistakes. > > Is there a way to check if the dataset is still present on the server before > downloading? > Ticket Details =================== Ticket ID: RHP-234890 Department: Support Python Priority: Low 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.