Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/200912/20091218/catalog.html

Dataset	Size	Last Modified
`20091218`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2009-12-18 All Cycles & All forecasts`	`261.4 Mbytes`	`2009-12-22T09:03:05Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2009-12-18 All Cycles & All forecasts`	`280.6 Mbytes`	`2009-12-22T09:00:43Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2009-12-18 All Cycles & All forecasts`	`261.4 Mbytes`	`2009-12-22T08:58:11Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2009-12-18 All Cycles & All forecasts`	`280.6 Mbytes`	`2009-12-22T08:55:48Z`
`SRRS GRIB: Smoke : 2009-12-18 All Cycles & All forecasts`	`479.1 Mbytes`	`2009-12-22T08:53:11Z`
`SRRS GRIB: National Convective Weather Forecast : 2009-12-18 : All Times`	`183.5 Mbytes`	`2009-12-22T08:49:02Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2009-12-18 All Cycles / All Vertical Levels / Analysis`	`182.4 Mbytes`	`2009-12-22T08:48:51Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2009-12-18 All Cycles / All Vertical Levels / Analysis`	`46.32 Mbytes`	`2009-12-22T08:48:45Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2009-12-18 All Cycles & Analysis`	`72.76 Kbytes`	`2009-12-22T08:48:38Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2009-12-18 All Cycles & Analysis`	`85.34 Kbytes`	`2009-12-22T08:48:35Z`
`SRRS GRIB: N.AM Precipitable Water : 2009-12-18 All Cycles & Analysis`	`43.41 Kbytes`	`2009-12-22T08:48:31Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2009-12-18 All Cycles & Analysis`	`30.84 Kbytes`	`2009-12-22T08:48:25Z`