National Centers for Environmental Information / National Operational Model Archive and Distribution System Catalog https://www.ncei.noaa.gov/thredds/catalog/model-narrmon-b-files/198912/19891201/catalog.html

Dataset Size Last Modified
     Folder  19891201   --
         narrmon-b_221_19891201_0000_000.grb 1.356 Mbytes 2012-08-03T16:27:35.600Z

NCEI-NC THREDDS Server at NCEI see Info
Documentation