Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201312/20131221/catalog.html

Dataset	Size	Last Modified
`20131221`		`--`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2013-12-21 All Cycles & All forecasts`	`259.9 Mbytes`	`2013-12-25T08:41:02.566Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2013-12-21 All Cycles & All forecasts`	`279.8 Mbytes`	`2013-12-25T08:40:10.108Z`
`SRRS GRIB: Smoke : 2013-12-21 All Cycles & All forecasts`	`539.8 Mbytes`	`2013-12-25T08:39:10.762Z`
`SRRS GRIB: National Convective Weather Forecast : 2013-12-21 : All Times`	`184.1 Mbytes`	`2013-12-25T08:37:35.374Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2013-12-21 All Cycles / All Vertical Levels / Analysis`	`236.0 Mbytes`	`2013-12-25T08:37:24.633Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2013-12-21 All Cycles / All Vertical Levels / Analysis`	`59.90 Mbytes`	`2013-12-25T08:37:19.577Z`