Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201811/20181121/catalog.html

Dataset	Size	Last Modified
`20181121`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2018-11-21 All Cycles & All forecasts`	`728.4 Mbytes`	`2018-11-28T09:04:02.537Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2018-11-21 All Cycles & All forecasts`	`559.6 Mbytes`	`2018-11-28T09:02:42.056Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2018-11-21 All Cycles & All forecasts`	`604.2 Mbytes`	`2018-11-28T09:01:26.351Z`
`SRRS GRIB: Smoke : 2018-11-21 All Cycles & All forecasts`	`1.497 Gbytes`	`2018-11-28T09:00:11.527Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2018-11-21 All Cycles / All Vertical Levels / Analysis`	`182.3 Mbytes`	`2018-11-28T08:52:26.098Z`