2.0 : WRF netcdf / CTL

[Matt Alonso]

Hi Patrick,

I

On Feb 2, 2008 11:38 AM, Patrick Reuter <preuter at labri.fr> wrote:

> Hi everybody,
>
> thank you for providing GraDS 2.0, it's really cool to open NetCDF
> files directly.
>
> However, I have a problem to configure the CTL file correctly for the
> lambert projection (I think PDEF is the issue).
>
> Here is my CTL file :
>
> dset ^file.nc
> dtype netcdf
> undef -888
> TITLE WRF Output Grid: Time, bottom_top, south_north, west_east
> pdef 48 46 LCCR 46.6 1.1 24.5 23.5 46.6 46.6 1.1 27000 27000
> xdef 48 linear -6.422363 0.319
> ydef 46 linear  40.87268 0.24
> zdef  27 linear 1 1
> tdef   2000 linear 29jan2008 30mn
> vars 1
> LANDMASK=>l     0  t,y,x    landmask
> endvars
>
> Here is my namelist.wps to configure the area of interest for my WRF model
> :
>
> &geogrid
>  parent_id         = 1,
>  parent_grid_ratio = 1,
>  i_parent_start    = 1,
>  j_parent_start    = 1,
>  e_we          = 49,
>  e_sn          = 47,
>  geog_data_res = '2m',
>  dx = 27000,
>  dy = 27000,
>  map_proj =  'lambert',
>  ref_lat   = 46.6,
>  ref_lon   = 1.1,
>  truelat1  = 46.6,
>  truelat2  = 46.6,
>  stand_lon = 1.1,
>  geog_data_path = '/mnt/scratch/meteo/geog',
> /
>  ref_x = 24.5,
>  ref_y = 23.5,
>
> Unfortunately, the landmask from the WRF output does not coincide with
> the Grads Map - a serious problem for me, evidently !  Please see the
> image illustrating my problem (it's only 20KB).
>
> Could anybody tell me if I am in the wrong direction ?
>
> I would appreciate your help. It is so hard to find someone with some
> WRF and GrADS experience to talk to.
>
> Have a nice day !
>   Patrick
>
>
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