Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/200404/20040420/catalog.html

Dataset	Size	Last Modified
`20040420`		`--`
`SRRS GRIB: National Convective Weather Forecast : 2004-04-20 : All Times`	`60.53 Mbytes`	`2008-08-08T10:54:22Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2004-04-20 All Cycles / All Vertical Levels / Analysis`	`11.70 Mbytes`	`2008-08-08T10:54:14Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2004-04-20 All Cycles & Analysis`	`20.06 Kbytes`	`2008-08-08T10:54:10Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2004-04-20 All Cycles & Analysis`	`18.31 Kbytes`	`2008-08-08T10:54:06Z`
`SRRS GRIB: N.AM Precipitable Water : 2004-04-20 All Cycles & Analysis`	`14.46 Kbytes`	`2008-08-08T10:54:02Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2004-04-20 All Cycles & Analysis`	`10.27 Kbytes`	`2008-08-08T10:53:54Z`