{"run":"2026021812","generated_at":"2026-02-18T21:09:01Z","updated_at":"2026-02-18T21:09:01Z","next_cleanup_at":"2026-02-19T03:09:01Z","base_url":"https://nomads.ncep.noaa.gov/pub/data/nccf/com/gfs/prod/gfs.20260218/12/atmos","total_files":1}