Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201809/20180930/catalog.html

Dataset	Size	Last Modified
`20180930`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2018-09-30 All Cycles & All forecasts`	`266.7 Mbytes`	`2018-10-08T07:47:28.477Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2018-09-30 All Cycles & All forecasts`	`8.125 Mbytes`	`2018-10-08T07:47:00.485Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2018-09-30 All Cycles & All forecasts`	`218.0 Mbytes`	`2018-10-08T07:46:59.359Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2018-09-30 All Cycles & All forecasts`	`241.1 Mbytes`	`2018-10-08T07:46:36.593Z`
`SRRS GRIB: Smoke : 2018-09-30 All Cycles & All forecasts`	`598.9 Mbytes`	`2018-10-08T07:46:12.390Z`
`SRRS GRIB: National Convective Weather Forecast : 2018-09-30 : All Times`	`165.5 Mbytes`	`2018-10-08T07:43:22.450Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2018-09-30 All Cycles / All Vertical Levels / Analysis`	`78.38 Mbytes`	`2018-10-08T07:43:14.594Z`