Initial TDS Installation Catalog http://esrl.noaa.gov/gsd/thredds/catalog/retro/hrrr/conus/wrftwo/2017/12/24/catalog.html

Dataset Size Last Modified
     Folder  24   --
         20171224.zip 60.12 Mbytes 2018-01-18T19:44:27Z

GSD TDS at ESRL/GSD/ITS/DSG see Info
Documentation