Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201512/20151221/catalog.html

Dataset	Size	Last Modified
`20151221`		`--`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2015-12-21 All Cycles & All forecasts`	`1.204 Gbytes`	`2016-01-07T08:41:21.831Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2015-12-21 All Cycles & All forecasts`	`1.258 Gbytes`	`2016-01-07T08:37:32.038Z`
`SRRS GRIB: Smoke : 2015-12-21 All Cycles & All forecasts`	`1.259 Gbytes`	`2016-01-07T08:33:41.449Z`
`SRRS GRIB: National Convective Weather Forecast : 2015-12-21 : All Times`	`1.331 Gbytes`	`2016-01-07T08:30:27.765Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2015-12-21 All Cycles / All Vertical Levels / Analysis`	`308.6 Mbytes`	`2016-01-07T08:30:18.893Z`