Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/200504/20050421/catalog.html

Dataset	Size	Last Modified
`20050421`		`--`
`SRRS GRIB: National Convective Weather Forecast : 2005-04-21 : All Times`	`60.14 Mbytes`	`2008-08-07T20:36:17Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2005-04-21 All Cycles / All Vertical Levels / Analysis`	`10.68 Mbytes`	`2008-08-07T20:36:07Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2005-04-21 All Cycles & Analysis`	`20.06 Kbytes`	`2008-08-07T20:36:01Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2005-04-21 All Cycles & Analysis`	`18.31 Kbytes`	`2008-08-07T20:35:56Z`
`SRRS GRIB: N.AM Precipitable Water : 2005-04-21 All Cycles & Analysis`	`14.47 Kbytes`	`2008-08-07T20:35:50Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2005-04-21 All Cycles & Analysis`	`10.28 Kbytes`	`2008-08-07T20:35:39Z`