Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201205/20120520/catalog.html

Dataset	Size	Last Modified
`20120520`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2012-05-20 All Cycles & All forecasts`	`261.4 Mbytes`	`2012-05-24T07:41:23Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2012-05-20 All Cycles & All forecasts`	`280.8 Mbytes`	`2012-05-24T07:40:43Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2012-05-20 All Cycles & All forecasts`	`261.4 Mbytes`	`2012-05-24T07:40:00Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2012-05-20 All Cycles & All forecasts`	`282.4 Mbytes`	`2012-05-24T07:39:19Z`
`SRRS GRIB: Smoke : 2012-05-20 All Cycles & All forecasts`	`555.0 Mbytes`	`2012-05-24T07:38:35Z`
`SRRS GRIB: National Convective Weather Forecast : 2012-05-20 : All Times`	`183.2 Mbytes`	`2012-05-24T07:37:18Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2012-05-20 All Cycles / All Vertical Levels / Analysis`	`237.0 Mbytes`	`2012-05-24T07:37:05Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2012-05-20 All Cycles / All Vertical Levels / Analysis`	`60.13 Mbytes`	`2012-05-24T07:37:01Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2012-05-20 All Cycles & Analysis`	`72.76 Kbytes`	`2012-05-24T07:36:56Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2012-05-20 All Cycles & Analysis`	`81.14 Kbytes`	`2012-05-24T07:36:55Z`
`SRRS GRIB: N.AM Precipitable Water : 2012-05-20 All Cycles & Analysis`	`43.41 Kbytes`	`2012-05-24T07:36:54Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2012-05-20 All Cycles & Analysis`	`30.84 Kbytes`	`2012-05-24T07:36:51Z`