Initial TDS Installation Catalog http://esrl.noaa.gov/gsd/thredds/catalog/retro/hrrr/conus/wrftwo/2016/06/21/catalog.html

Dataset Size Last Modified
     Folder  21   --
         20160621.zip 81.33 Mbytes 2017-02-22T23:44:23Z

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