Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/201204/20120430/catalog.html

Dataset	Size	Last Modified
`20120430`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2012-04-30 All Cycles & All forecasts`	`348.6 Mbytes`	`2012-05-05T07:43:40Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2012-04-30 All Cycles & All forecasts`	`374.8 Mbytes`	`2012-05-05T07:42:47Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2012-04-30 All Cycles & All forecasts`	`348.6 Mbytes`	`2012-05-05T07:41:51Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2012-04-30 All Cycles & All forecasts`	`374.1 Mbytes`	`2012-05-05T07:40:57Z`
`SRRS GRIB: Smoke : 2012-04-30 All Cycles & All forecasts`	`722.8 Mbytes`	`2012-05-05T07:40:00Z`
`SRRS GRIB: National Convective Weather Forecast : 2012-04-30 : All Times`	`243.8 Mbytes`	`2012-05-05T07:38:27Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2012-04-30 All Cycles / All Vertical Levels / Analysis`	`316.8 Mbytes`	`2012-05-05T07:38:15Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2012-04-30 All Cycles / All Vertical Levels / Analysis`	`80.41 Mbytes`	`2012-05-05T07:38:11Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2012-04-30 All Cycles & Analysis`	`97.02 Kbytes`	`2012-05-05T07:38:07Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2012-04-30 All Cycles & Analysis`	`108.1 Kbytes`	`2012-05-05T07:38:06Z`
`SRRS GRIB: N.AM Precipitable Water : 2012-04-30 All Cycles & Analysis`	`57.88 Kbytes`	`2012-05-05T07:38:05Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2012-04-30 All Cycles & Analysis`	`41.12 Kbytes`	`2012-05-05T07:38:02Z`