Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201804/20180420/catalog.html

Dataset	Size	Last Modified
`20180420`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2018-04-20 All Cycles & All forecasts`	`648.4 Mbytes`	`2018-04-30T08:22:56.098Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2018-04-20 All Cycles & All forecasts`	`550.3 Mbytes`	`2018-04-30T08:20:49.607Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2018-04-20 All Cycles & All forecasts`	`60.07 Mbytes`	`2018-04-30T08:19:14.327Z`
`SRRS GRIB: Smoke : 2018-04-20 All Cycles & All forecasts`	`1.513 Gbytes`	`2018-04-30T08:19:04.062Z`
`SRRS GRIB: National Convective Weather Forecast : 2018-04-20 : All Times`	`368.8 Mbytes`	`2018-04-30T08:09:03.481Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2018-04-20 All Cycles / All Vertical Levels / Analysis`	`167.2 Mbytes`	`2018-04-30T08:08:51.800Z`