Initial TDS Installation Catalog http://esrl.noaa.gov/gsd/thredds/catalog/retro/hrrr/conus/wrftwo/2014/09/18/catalog.html

Dataset Size Last Modified
     Folder  18   --
         20140918.zip 84.72 Mbytes 2017-01-19T20:06:56Z

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