Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201804/20180419/catalog.html

Dataset	Size	Last Modified
`20180419`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2018-04-19 All Cycles & All forecasts`	`270.7 Mbytes`	`2018-04-27T07:44:01.636Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2018-04-19 All Cycles & All forecasts`	`5.650 Mbytes`	`2018-04-27T07:43:34.390Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2018-04-19 All Cycles & All forecasts`	`219.9 Mbytes`	`2018-04-27T07:43:33.853Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2018-04-19 All Cycles & All forecasts`	`240.2 Mbytes`	`2018-04-27T07:43:11.756Z`
`SRRS GRIB: Smoke : 2018-04-19 All Cycles & All forecasts`	`605.2 Mbytes`	`2018-04-27T07:42:47.141Z`
`SRRS GRIB: National Convective Weather Forecast : 2018-04-19 : All Times`	`158.9 Mbytes`	`2018-04-27T07:40:16.508Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2018-04-19 All Cycles / All Vertical Levels / Analysis`	`62.92 Mbytes`	`2018-04-27T07:40:00.202Z`