Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201205/20120518/catalog.html

Dataset	Size	Last Modified
`20120518`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2012-05-18 All Cycles & All forecasts`	`261.4 Mbytes`	`2012-05-22T07:41:20Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2012-05-18 All Cycles & All forecasts`	`280.6 Mbytes`	`2012-05-22T07:40:40Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2012-05-18 All Cycles & All forecasts`	`260.6 Mbytes`	`2012-05-22T07:39:57Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2012-05-18 All Cycles & All forecasts`	`279.5 Mbytes`	`2012-05-22T07:39:17Z`
`SRRS GRIB: Smoke : 2012-05-18 All Cycles & All forecasts`	`547.7 Mbytes`	`2012-05-22T07:38:33Z`
`SRRS GRIB: National Convective Weather Forecast : 2012-05-18 : All Times`	`182.5 Mbytes`	`2012-05-22T07:37:18Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2012-05-18 All Cycles / All Vertical Levels / Analysis`	`238.1 Mbytes`	`2012-05-22T07:37:05Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2012-05-18 All Cycles / All Vertical Levels / Analysis`	`60.43 Mbytes`	`2012-05-22T07:37:00Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2012-05-18 All Cycles & Analysis`	`71.71 Kbytes`	`2012-05-22T07:36:56Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2012-05-18 All Cycles & Analysis`	`81.14 Kbytes`	`2012-05-22T07:36:54Z`
`SRRS GRIB: N.AM Precipitable Water : 2012-05-18 All Cycles & Analysis`	`43.41 Kbytes`	`2012-05-22T07:36:53Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2012-05-18 All Cycles & Analysis`	`30.84 Kbytes`	`2012-05-22T07:36:50Z`