Re: [galeon] need free data sets

[Gerry Creager <gerry.creager@xxxxxxxx>]

I've got 96 hr WRF forecasts that focus on the Atlantic north of the 
equator, the Caribbean and the Gulf of Mexico.  THese are ~32GB.  Would 
that help?

gerry

Ben Domenico wrote:
> Hi Peter,
>
> One place you might look for a set of the most recent Global Forecast 
> Model runs from the US National Centers for Environmental Prediction on 
> our Undata server at:
>
> http://motherlode.ucar.edu:8080/thredds/catalog/fmrc/NCEP/GFS/Global_0p5deg/files/catalog.html
>
> These are the runs of the 0.5 degree resolution forecasts.  Each file is 
> "only" about 3 GB, but you can combine a set of them to get to the size 
> you are looking for.  If you need larger collections, I know that we 
> have about 20GB of ensemble forecast runs coming into UCAR/NCAR, but I 
> don't know if they are being made available publicly yet.  Others on the 
> list may know.
>
> In terms of interesting characteristics, you can drill down and look at 
> what's available in each forecast, e.g.,
> http://motherlode.ucar.edu:8080/thredds/ncss/grid/fmrc/NCEP/GFS/Global_0p5deg/files/GFS_Global_0p5deg_20071218_0000.grib2/dataset.html
>
> One thing you'll notice is the variety of vertical coordinates for 
> different parameters.  In particular,  the "geopotential height" is, in 
> effect, a dependent variable with the pressure level as the independent 
> coordinate variable.  That's the sort of unusual characteristic where a 
> transformation might benefit some user communities that are not used to 
> working in pressure coordinates.
>
> Hope this is enough to get you started.
>
> -- Ben