Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/200904/20090418/catalog.html

Dataset	Size	Last Modified
`20090418`		`--`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2009-04-18 All Cycles & All forecasts`	`435.8 Mbytes`	`2009-08-06T03:06:31Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2009-04-18 All Cycles & All forecasts`	`467.6 Mbytes`	`2009-08-06T03:00:19Z`
`SRRS GRIB: National Convective Weather Forecast : 2009-04-18 : All Times`	`293.0 Mbytes`	`2009-08-06T02:53:08Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2009-04-18 All Cycles / All Vertical Levels / Analysis`	`295.3 Mbytes`	`2009-08-06T02:52:44Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2009-04-18 All Cycles / All Vertical Levels / Analysis`	`74.96 Mbytes`	`2009-08-06T02:52:31Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2009-04-18 All Cycles & Analysis`	`121.2 Kbytes`	`2009-08-06T02:52:17Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2009-04-18 All Cycles & Analysis`	`135.2 Kbytes`	`2009-08-06T02:52:12Z`
`SRRS GRIB: N.AM Precipitable Water : 2009-04-18 All Cycles & Analysis`	`72.36 Kbytes`	`2009-08-06T02:52:07Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2009-04-18 All Cycles & Analysis`	`51.4 Kbytes`	`2009-08-06T02:51:56Z`