Initial TDS Installation Catalog http://esrl.noaa.gov/gsd/thredds/catalog/retro/hrrr/conus/wrftwo/2017/05/22/catalog.html

Dataset Size Last Modified
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         20170522.zip 50.78 Mbytes 2018-01-18T19:00:57Z

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