Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/200812/20081220/catalog.html

Dataset	Size	Last Modified
`20081220`		`--`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2008-12-20 All Cycles & All forecasts`	`348.6 Mbytes`	`2008-12-24T09:02:13Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2008-12-20 All Cycles & All forecasts`	`374.1 Mbytes`	`2008-12-24T08:59:10Z`
`SRRS GRIB: National Convective Weather Forecast : 2008-12-20 : All Times`	`224.5 Mbytes`	`2008-12-24T08:54:14Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2008-12-20 All Cycles / All Vertical Levels / Analysis`	`225.0 Mbytes`	`2008-12-24T08:54:00Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2008-12-20 All Cycles / All Vertical Levels / Analysis`	`57.24 Mbytes`	`2008-12-24T08:53:46Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2008-12-20 All Cycles & Analysis`	`97.02 Kbytes`	`2008-12-24T08:53:33Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2008-12-20 All Cycles & Analysis`	`110.9 Kbytes`	`2008-12-24T08:53:19Z`
`SRRS GRIB: N.AM Precipitable Water : 2008-12-20 All Cycles & Analysis`	`53.68 Kbytes`	`2008-12-24T08:53:06Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2008-12-20 All Cycles & Analysis`	`41.12 Kbytes`	`2008-12-24T08:52:37Z`