Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201305/20130520/catalog.html

Dataset	Size	Last Modified
`20130520`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2013-05-20 All Cycles & All forecasts`	`261.4 Mbytes`	`2013-05-24T07:44:37.060Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2013-05-20 All Cycles & All forecasts`	`280.6 Mbytes`	`2013-05-24T07:43:54.234Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2013-05-20 All Cycles & All forecasts`	`261.4 Mbytes`	`2013-05-24T07:43:06.133Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2013-05-20 All Cycles & All forecasts`	`280.6 Mbytes`	`2013-05-24T07:42:22.369Z`
`SRRS GRIB: Smoke : 2013-05-20 All Cycles & All forecasts`	`539.8 Mbytes`	`2013-05-24T07:41:33.683Z`
`SRRS GRIB: National Convective Weather Forecast : 2013-05-20 : All Times`	`184.1 Mbytes`	`2013-05-24T07:40:15.016Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2013-05-20 All Cycles / All Vertical Levels / Analysis`	`231.5 Mbytes`	`2013-05-24T07:40:06.311Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2013-05-20 All Cycles / All Vertical Levels / Analysis`	`58.77 Mbytes`	`2013-05-24T07:40:01.414Z`