Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201804/20180418/catalog.html

Dataset	Size	Last Modified
`20180418`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2018-04-18 All Cycles & All forecasts`	`513.2 Mbytes`	`2018-04-27T07:53:41.478Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2018-04-18 All Cycles & All forecasts`	`440.6 Mbytes`	`2018-04-27T07:52:19.895Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2018-04-18 All Cycles & All forecasts`	`490.3 Mbytes`	`2018-04-27T07:51:06.808Z`
`SRRS GRIB: Smoke : 2018-04-18 All Cycles & All forecasts`	`1.210 Gbytes`	`2018-04-27T07:49:52.667Z`
`SRRS GRIB: National Convective Weather Forecast : 2018-04-18 : All Times`	`286.3 Mbytes`	`2018-04-27T07:44:41.676Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2018-04-18 All Cycles / All Vertical Levels / Analysis`	`124.5 Mbytes`	`2018-04-27T07:44:33.274Z`