Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201808/20180831/catalog.html

Dataset	Size	Last Modified
`20180831`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2018-08-31 All Cycles & All forecasts`	`712.7 Mbytes`	`2018-09-07T08:34:34.581Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2018-08-31 All Cycles & All forecasts`	`29.12 Mbytes`	`2018-09-07T08:31:32.768Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2018-08-31 All Cycles & All forecasts`	`549.4 Mbytes`	`2018-09-07T08:31:24.545Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2018-08-31 All Cycles & All forecasts`	`607.6 Mbytes`	`2018-09-07T08:29:15.009Z`
`SRRS GRIB: Smoke : 2018-08-31 All Cycles & All forecasts`	`1.497 Gbytes`	`2018-09-07T08:27:04.529Z`
`SRRS GRIB: National Convective Weather Forecast : 2018-08-31 : All Times`	`394.2 Mbytes`	`2018-09-07T08:08:10.122Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2018-08-31 All Cycles / All Vertical Levels / Analysis`	`168.4 Mbytes`	`2018-09-07T08:07:58.244Z`