Initial TDS Installation Catalog http://esrl.noaa.gov/gsd/thredds/catalog/retro/hrrr/conus/wrftwo/2016/04/20/catalog.html

Dataset Size Last Modified
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         20160420.zip 62.41 Mbytes 2017-02-22T23:01:25Z

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