Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201808/20180821/catalog.html

Dataset	Size	Last Modified
`20180821`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2018-08-21 All Cycles & All forecasts`	`1.045 Gbytes`	`2018-08-31T08:30:25.547Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2018-08-21 All Cycles & All forecasts`	`32.11 Mbytes`	`2018-08-31T08:28:35.560Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2018-08-21 All Cycles & All forecasts`	`760.6 Mbytes`	`2018-08-31T08:28:31.831Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2018-08-21 All Cycles & All forecasts`	`838.4 Mbytes`	`2018-08-31T08:26:53.446Z`
`SRRS GRIB: Smoke : 2018-08-21 All Cycles & All forecasts`	`2.118 Gbytes`	`2018-08-31T08:25:24.542Z`
`SRRS GRIB: National Convective Weather Forecast : 2018-08-21 : All Times`	`416.7 Mbytes`	`2018-08-31T08:14:49.532Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2018-08-21 All Cycles / All Vertical Levels / Analysis`	`274.2 Mbytes`	`2018-08-31T08:14:41.400Z`