Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201810/20181021/catalog.html

Dataset	Size	Last Modified
`20181021`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2018-10-21 All Cycles & All forecasts`	`74.11 Mbytes`	`2018-10-29T07:43:36.563Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2018-10-21 All Cycles & All forecasts`	`338.9 Mbytes`	`2018-10-29T07:43:30.585Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2018-10-21 All Cycles & All forecasts`	`353.2 Mbytes`	`2018-10-29T07:42:56.971Z`
`SRRS GRIB: Smoke : 2018-10-21 All Cycles & All forecasts`	`898.3 Mbytes`	`2018-10-29T07:42:34.969Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2018-10-21 All Cycles / All Vertical Levels / Analysis`	`92.67 Mbytes`	`2018-10-29T07:37:52.327Z`