Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201205/20120521/catalog.html

Dataset	Size	Last Modified
`20120521`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2012-05-21 All Cycles & All forecasts`	`261.4 Mbytes`	`2012-05-25T07:41:10Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2012-05-21 All Cycles & All forecasts`	`281.6 Mbytes`	`2012-05-25T07:40:32Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2012-05-21 All Cycles & All forecasts`	`261.4 Mbytes`	`2012-05-25T07:39:49Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2012-05-21 All Cycles & All forecasts`	`282.1 Mbytes`	`2012-05-25T07:39:10Z`
`SRRS GRIB: Smoke : 2012-05-21 All Cycles & All forecasts`	`552.7 Mbytes`	`2012-05-25T07:38:27Z`
`SRRS GRIB: National Convective Weather Forecast : 2012-05-21 : All Times`	`184.0 Mbytes`	`2012-05-25T07:37:13Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2012-05-21 All Cycles / All Vertical Levels / Analysis`	`237.1 Mbytes`	`2012-05-25T07:37:00Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2012-05-21 All Cycles / All Vertical Levels / Analysis`	`60.18 Mbytes`	`2012-05-25T07:36:56Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2012-05-21 All Cycles & Analysis`	`72.76 Kbytes`	`2012-05-25T07:36:51Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2012-05-21 All Cycles & Analysis`	`81.14 Kbytes`	`2012-05-25T07:36:50Z`
`SRRS GRIB: N.AM Precipitable Water : 2012-05-21 All Cycles & Analysis`	`43.41 Kbytes`	`2012-05-25T07:36:49Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2012-05-21 All Cycles & Analysis`	`30.84 Kbytes`	`2012-05-25T07:36:46Z`