National Centers for Environmental Information / National Operational Model Archive and Distribution System Catalog https://www.ncei.noaa.gov/thredds/catalog/model-narr-a-files/199909/19990918/catalog.html


Dataset Size Last Modified
     Folder  19990918   --
         narr-a_221_19990918_2100_000.grb 56.29 Mbytes 2012-08-04T08:15:18.717Z
         narr-a_221_19990918_1800_000.grb 56.25 Mbytes 2012-08-04T08:15:17.550Z
         narr-a_221_19990918_1500_000.grb 56.24 Mbytes 2012-08-04T08:15:18.133Z
         narr-a_221_19990918_1200_000.grb 56.61 Mbytes 2012-08-04T08:15:16.972Z
         narr-a_221_19990918_0900_000.grb 56.31 Mbytes 2012-08-04T08:15:19.155Z
         narr-a_221_19990918_0600_000.grb 56.23 Mbytes 2012-08-04T08:15:15.901Z
         narr-a_221_19990918_0300_000.grb 56.28 Mbytes 2012-08-04T08:15:15.478Z
         narr-a_221_19990918_0000_000.grb 56.65 Mbytes 2012-08-04T08:15:16.452Z

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