Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/200901/20090121/catalog.html

Dataset	Size	Last Modified
`20090121`		`--`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2009-01-21 All Cycles & All forecasts`	`348.6 Mbytes`	`2009-08-01T23:22:14Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2009-01-21 All Cycles & All forecasts`	`374.1 Mbytes`	`2009-08-01T23:19:01Z`
`SRRS GRIB: National Convective Weather Forecast : 2009-01-21 : All Times`	`231.1 Mbytes`	`2009-08-01T23:15:06Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2009-01-21 All Cycles / All Vertical Levels / Analysis`	`217.0 Mbytes`	`2009-08-01T23:14:51Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2009-01-21 All Cycles / All Vertical Levels / Analysis`	`55.26 Mbytes`	`2009-08-01T23:14:40Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2009-01-21 All Cycles & Analysis`	`97.02 Kbytes`	`2009-08-01T23:14:34Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2009-01-21 All Cycles & Analysis`	`113.7 Kbytes`	`2009-08-01T23:14:31Z`
`SRRS GRIB: N.AM Precipitable Water : 2009-01-21 All Cycles & Analysis`	`56.48 Kbytes`	`2009-08-01T23:14:27Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2009-01-21 All Cycles & Analysis`	`41.12 Kbytes`	`2009-08-01T23:14:20Z`