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

Dataset Size Last Modified
     Folder  wrftwo   --
         Folder  2013/   --
         Folder  2014/   --
         Folder  2015/   --
         Folder  2016/   --
         Folder  2017/   --

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