Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201803/20180312/catalog.html

Dataset	Size	Last Modified
`20180312`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2018-03-12 All Cycles & All forecasts`	`511.0 Mbytes`	`2018-03-20T07:49:16.631Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2018-03-12 All Cycles & All forecasts`	`439.2 Mbytes`	`2018-03-20T07:48:08.445Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2018-03-12 All Cycles & All forecasts`	`466.4 Mbytes`	`2018-03-20T07:47:08.477Z`
`SRRS GRIB: Smoke : 2018-03-12 All Cycles & All forecasts`	`1.210 Gbytes`	`2018-03-20T07:46:04.038Z`
`SRRS GRIB: National Convective Weather Forecast : 2018-03-12 : All Times`	`309.7 Mbytes`	`2018-03-20T07:40:32.638Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2018-03-12 All Cycles / All Vertical Levels / Analysis`	`144.9 Mbytes`	`2018-03-20T07:40:22.998Z`