Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201809/20180920/catalog.html

Dataset	Size	Last Modified
`20180920`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2018-09-20 All Cycles & All forecasts`	`566.3 Mbytes`	`2018-09-28T07:55:35.375Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2018-09-20 All Cycles & All forecasts`	`16.60 Mbytes`	`2018-09-28T07:54:34.152Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2018-09-20 All Cycles & All forecasts`	`438.8 Mbytes`	`2018-09-28T07:54:31.822Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2018-09-20 All Cycles & All forecasts`	`489.9 Mbytes`	`2018-09-28T07:53:40.851Z`
`SRRS GRIB: Smoke : 2018-09-20 All Cycles & All forecasts`	`1.210 Gbytes`	`2018-09-28T07:52:45.603Z`
`SRRS GRIB: National Convective Weather Forecast : 2018-09-20 : All Times`	`340.3 Mbytes`	`2018-09-28T07:47:49.161Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2018-09-20 All Cycles / All Vertical Levels / Analysis`	`143.2 Mbytes`	`2018-09-28T07:47:40.110Z`