Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201809/20180921/catalog.html

Dataset	Size	Last Modified
`20180921`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2018-09-21 All Cycles & All forecasts`	`834.8 Mbytes`	`2018-10-02T08:11:29.130Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2018-09-21 All Cycles & All forecasts`	`16.95 Mbytes`	`2018-10-02T08:09:48.036Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2018-09-21 All Cycles & All forecasts`	`674.7 Mbytes`	`2018-10-02T08:09:45.705Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2018-09-21 All Cycles & All forecasts`	`723.3 Mbytes`	`2018-10-02T08:08:12.270Z`
`SRRS GRIB: Smoke : 2018-09-21 All Cycles & All forecasts`	`1.796 Gbytes`	`2018-10-02T08:06:26.496Z`
`SRRS GRIB: National Convective Weather Forecast : 2018-09-21 : All Times`	`441.1 Mbytes`	`2018-10-02T07:57:57.163Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2018-09-21 All Cycles / All Vertical Levels / Analysis`	`217.3 Mbytes`	`2018-10-02T07:57:49.236Z`