Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/200804/20080421/catalog.html

Dataset	Size	Last Modified
`20080421`		`--`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2008-04-21 All Cycles & All forecasts`	`87.16 Mbytes`	`2008-07-31T05:54:54Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2008-04-21 All Cycles & All forecasts`	`94.23 Mbytes`	`2008-07-31T05:54:11Z`
`SRRS GRIB: National Convective Weather Forecast : 2008-04-21 : All Times`	`54.95 Mbytes`	`2008-07-31T05:51:59Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2008-04-21 All Cycles / All Vertical Levels / Analysis`	`56.70 Mbytes`	`2008-07-31T05:51:48Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2008-04-21 All Cycles / All Vertical Levels / Analysis`	`14.42 Mbytes`	`2008-07-31T05:51:36Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2008-04-21 All Cycles & Analysis`	`24.25 Kbytes`	`2008-07-31T05:51:22Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2008-04-21 All Cycles & Analysis`	`28.44 Kbytes`	`2008-07-31T05:51:10Z`
`SRRS GRIB: N.AM Precipitable Water : 2008-04-21 All Cycles & Analysis`	`14.47 Kbytes`	`2008-07-31T05:50:58Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2008-04-21 All Cycles & Analysis`	`10.28 Kbytes`	`2008-07-31T05:50:31Z`