Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201704/20170420/catalog.html

Dataset	Size	Last Modified
`20170420`		`--`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2017-04-20 All Cycles & All forecasts`	`516.5 Mbytes`	`2017-04-27T08:05:55.315Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2017-04-20 All Cycles & All forecasts`	`573.9 Mbytes`	`2017-04-27T08:04:35.032Z`
`SRRS GRIB: Smoke : 2017-04-20 All Cycles & All forecasts`	`1.815 Gbytes`	`2017-04-27T08:02:55.564Z`
`SRRS GRIB: National Convective Weather Forecast : 2017-04-20 : All Times`	`431.3 Mbytes`	`2017-04-27T07:51:58.799Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2017-04-20 All Cycles / All Vertical Levels / Analysis`	`103.8 Mbytes`	`2017-04-27T07:51:44.889Z`