NOAA/PSL Catalog https://psl.noaa.gov/thredds/catalog/Datasets/ATOMIC/data/JOANNE_dropsondes/catalog.html


Dataset Size Last Modified
     Folder  JOANNE_dropsondes   --
         Folder  Level_2/   --
         Folder  Level_3/   --
         Folder  Level_4/   --

NOAA/PSL at NOAA PSL see Info
THREDDS Data Server [Version 4.6.15-SNAPSHOT - 2020-01-28T04:01:10+0000] Documentation