Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/200604/20060421/catalog.html

Dataset	Size	Last Modified
`20060421`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2006-04-21 All Cycles & All forecasts`	`82.74 Mbytes`	`2008-08-02T07:26:14Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2006-04-21 All Cycles & All forecasts`	`88.80 Mbytes`	`2008-08-02T07:25:35Z`
`SRRS GRIB: Smoke : 2006-04-21 All Cycles & All forecasts`	`295.9 Mbytes`	`2008-08-02T07:24:58Z`
`SRRS GRIB: National Convective Weather Forecast : 2006-04-21 : All Times`	`57.23 Mbytes`	`2008-08-02T07:21:58Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2006-04-21 All Cycles / All Vertical Levels / Analysis`	`58.46 Mbytes`	`2008-08-02T07:21:44Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2006-04-21 All Cycles / All Vertical Levels / Analysis`	`14.84 Mbytes`	`2008-08-02T07:21:30Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2006-04-21 All Cycles & Analysis`	`20.06 Kbytes`	`2008-08-02T07:21:16Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2006-04-21 All Cycles & Analysis`	`17.96 Kbytes`	`2008-08-02T07:21:03Z`
`SRRS GRIB: N.AM Precipitable Water : 2006-04-21 All Cycles & Analysis`	`14.47 Kbytes`	`2008-08-02T07:20:50Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2006-04-21 All Cycles & Analysis`	`10.28 Kbytes`	`2008-08-02T07:20:21Z`