Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/200909/20090921/catalog.html

Dataset	Size	Last Modified
`20090921`		`--`
`SRRS GRIB: National Convective Weather Forecast : 2009-09-21 : All Times`	`61.35 Mbytes`	`2009-12-16T22:44:45Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2009-09-21 All Cycles / All Vertical Levels / Analysis`	`53.99 Mbytes`	`2009-12-16T22:44:32Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2009-09-21 All Cycles / All Vertical Levels / Analysis`	`13.74 Mbytes`	`2009-12-16T22:44:25Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2009-09-21 All Cycles & Analysis`	`24.25 Kbytes`	`2009-12-16T22:44:17Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2009-09-21 All Cycles & Analysis`	`27.04 Kbytes`	`2009-12-16T22:44:14Z`
`SRRS GRIB: N.AM Precipitable Water : 2009-09-21 All Cycles & Analysis`	`14.47 Kbytes`	`2009-12-16T22:44:10Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2009-09-21 All Cycles & Analysis`	`10.28 Kbytes`	`2009-12-16T22:43:14Z`