Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201712/20171227/catalog.html

Dataset	Size	Last Modified
`20171227`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2017-12-27 All Cycles & All forecasts`	`908.7 Mbytes`	`2018-01-05T10:28:35.881Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2017-12-27 All Cycles & All forecasts`	`28.44 Mbytes`	`2018-01-05T10:24:15.532Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2017-12-27 All Cycles & All forecasts`	`779.6 Mbytes`	`2018-01-05T10:24:07.864Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2017-12-27 All Cycles & All forecasts`	`856.8 Mbytes`	`2018-01-05T10:20:12.018Z`
`SRRS GRIB: Smoke : 2017-12-27 All Cycles & All forecasts`	`2.118 Gbytes`	`2018-01-05T10:15:58.042Z`
`SRRS GRIB: National Convective Weather Forecast : 2017-12-27 : All Times`	`523.7 Mbytes`	`2018-01-05T09:58:16.290Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2017-12-27 All Cycles / All Vertical Levels / Analysis`	`112.4 Mbytes`	`2018-01-05T09:57:58.931Z`