Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/200907/20090721/catalog.html

Dataset	Size	Last Modified
`20090721`		`--`
`SRRS GRIB: National Convective Weather Forecast : 2009-07-21 : All Times`	`421.2 Mbytes`	`2009-11-20T23:33:33Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2009-07-21 All Cycles / All Vertical Levels / Analysis`	`343.4 Mbytes`	`2009-11-20T23:33:25Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2009-07-21 All Cycles / All Vertical Levels / Analysis`	`87.50 Mbytes`	`2009-11-20T23:33:22Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2009-07-21 All Cycles & Analysis`	`137.1 Kbytes`	`2009-11-20T23:33:17Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2009-07-21 All Cycles & Analysis`	`162.2 Kbytes`	`2009-11-20T23:33:15Z`
`SRRS GRIB: N.AM Precipitable Water : 2009-07-21 All Cycles & Analysis`	`86.83 Kbytes`	`2009-11-20T23:33:14Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2009-07-21 All Cycles & Analysis`	`61.68 Kbytes`	`2009-11-20T23:33:11Z`