Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201904/20190420/catalog.html

Dataset	Size	Last Modified
`20190420`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2019-04-20 All Cycles & All forecasts`	`792.9 Mbytes`	`2019-04-30T08:04:47.627Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2019-04-20 All Cycles & All forecasts`	`676.3 Mbytes`	`2019-04-30T08:03:21.692Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2019-04-20 All Cycles & All forecasts`	`735.0 Mbytes`	`2019-04-30T08:01:59.449Z`
`SRRS GRIB: Smoke : 2019-04-20 All Cycles & All forecasts`	`1.815 Gbytes`	`2019-04-30T08:00:31.853Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2019-04-20 All Cycles / All Vertical Levels / Analysis`	`208.8 Mbytes`	`2019-04-30T07:51:20.477Z`