alt Catalog http://mtarchive.geol.iastate.edu/thredds/catalog/mtarchive/2021/08/21/bufkit/06/catalog.html

Dataset Size Last Modified
     Folder  06   --
         Folder  rap/   --
         Folder  nam4km/   --
         Folder  nam/   --
         Folder  hrrr/   --
         Folder  gfs/   --

ISU MTArchive at ISU MTArchive see Info
THREDDS Data Server [Version 4.6.14 - 2019-07-23T11:04:31-0600] Documentation