Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201412/20141221/catalog.html

Dataset	Size	Last Modified
`20141221`		`--`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2014-12-21 All Cycles & All forecasts`	`87.78 Mbytes`	`2015-04-28T00:42:05.568Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2014-12-21 All Cycles & All forecasts`	`94.95 Mbytes`	`2015-04-28T00:41:53.870Z`
`SRRS GRIB: Smoke : 2014-12-21 All Cycles & All forecasts`	`89.97 Mbytes`	`2015-04-28T00:41:40.980Z`
`SRRS GRIB: National Convective Weather Forecast : 2014-12-21 : All Times`	`77.72 Mbytes`	`2015-04-28T00:41:15.008Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2014-12-21 All Cycles / All Vertical Levels / Analysis`	`18.55 Mbytes`	`2015-04-28T00:41:13.054Z`