Catalog https://dust.aemet.es/thredds/catalog/dataRoot/NCEP-GEFS/2014/07/catalog.html

Dataset	Size	Last Modified
07		--
20140731_NCEP-NGAC.nc	13.03 Mbytes	2014-07-31T10:31:22Z
20140730_NCEP-NGAC.nc	13.03 Mbytes	2014-07-30T10:31:24Z
20140729_NCEP-NGAC.nc	13.03 Mbytes	2014-07-29T10:31:08Z
20140728_NCEP-NGAC.nc	13.03 Mbytes	2014-07-28T10:31:09Z
20140727_NCEP-NGAC.nc	13.03 Mbytes	2014-07-27T10:31:14Z
20140726_NCEP-NGAC.nc	13.03 Mbytes	2014-07-26T10:31:09Z
20140725_NCEP-NGAC.nc	13.03 Mbytes	2014-07-25T10:31:11Z
20140724_NCEP-NGAC.nc	13.03 Mbytes	2014-07-24T10:31:12Z
20140723_NCEP-NGAC.nc	13.03 Mbytes	2014-07-23T10:31:09Z
20140722_NCEP-NGAC.nc	13.03 Mbytes	2014-07-22T10:31:09Z
20140721_NCEP-NGAC.nc	13.03 Mbytes	2014-07-21T10:31:07Z
20140720_NCEP-NGAC.nc	13.03 Mbytes	2014-07-20T10:31:05Z
20140719_NCEP-NGAC.nc	13.03 Mbytes	2014-07-19T10:31:15Z
20140718_NCEP-NGAC.nc	13.03 Mbytes	2014-07-18T10:31:07Z
20140717_NCEP-NGAC.nc	13.03 Mbytes	2014-07-17T10:31:12Z
20140716_NCEP-NGAC.nc	13.03 Mbytes	2014-07-16T10:31:07Z
20140715_NCEP-NGAC.nc	13.03 Mbytes	2014-07-15T10:31:10Z
20140714_NCEP-NGAC.nc	13.03 Mbytes	2014-07-14T10:31:10Z
20140713_NCEP-NGAC.nc	13.03 Mbytes	2014-07-13T10:31:06Z
20140712_NCEP-NGAC.nc	13.03 Mbytes	2014-07-12T10:31:10Z
20140711_NCEP-NGAC.nc	13.03 Mbytes	2014-07-11T10:31:09Z
20140710_NCEP-NGAC.nc	13.03 Mbytes	2014-07-10T10:31:08Z
20140709_NCEP-NGAC.nc	13.03 Mbytes	2014-07-09T10:31:06Z
20140708_NCEP-NGAC.nc	13.03 Mbytes	2014-07-08T10:31:10Z
20140707_NCEP-NGAC.nc	11.99 Mbytes	2014-07-07T10:31:57Z
20140706_NCEP-NGAC.nc	13.03 Mbytes	2014-07-06T10:31:11Z
20140705_NCEP-NGAC.nc	13.03 Mbytes	2014-07-05T10:31:08Z
20140704_NCEP-NGAC.nc	13.03 Mbytes	2014-07-04T10:31:17Z
20140703_NCEP-NGAC.nc	13.03 Mbytes	2014-07-03T10:31:17Z
20140702_NCEP-NGAC.nc	13.03 Mbytes	2014-07-02T10:31:09Z
20140701_NCEP-NGAC.nc	13.03 Mbytes	2014-07-01T10:31:12Z

Initial TDS Installation at Barcelona Dust Regional Center see Info
Documentation