ESMF define weights, problem with pole option?

I'm not sure why this is happening since the distributed code seems ok,
but I get different results when using Opt@Pole = "none" versus Opt@pole
= "none" with ESMF_regrid_gen_weights. For the capitalized version, I
don't see the option being recognized:
(0) ESMF_regrid_gen_weights: the following command is about to be
executed on the system:
(0) 'ESMF_RegridWeightGen --source
/glade/u/home/dbr/esg/cmip5_clm/regrid/esmf/ACCESS1-0_esmf_grid_reg.nc
--destination
/glade/u/home/dbr/esg/cmip5_clm/regrid/esmf/WRF_esmf_grid_reg.nc
--weight
/glade/u/home/dbr/esg/cmip5_clm/regrid/esmf/ACCESS1-0_WRF_wgts.nc
--method bilinear -i --64bit_offset'

If I use just lower case, it works:
(0) ESMF_regrid_gen_weights: the following command is about to be
executed on the system:
(0) 'ESMF_RegridWeightGen --source
/glade/u/home/dbr/esg/cmip5_clm/regrid/esmf/ACCESS1-0_esmf_grid_reg.nc
--destination
/glade/u/home/dbr/esg/cmip5_clm/regrid/esmf/WRF_esmf_grid_reg.nc
--weight
/glade/u/home/dbr/esg/cmip5_clm/regrid/esmf/ACCESS1-0_WRF_wgts.nc
--method bilinear --pole none -i --64bit_offset'

As I said, the code for ESMF_regrid_gen_weights in
$NCARG_ROOT/lib/ncarg/nclscripts/esmf/ESMF_regridding.ncl looks like it
should work both ways so I'm a bit confused.

This is ncl 6.1.2 on yellowstone. I can make it work so this isn't a
crisis, more just wondering what's going on.

And for completeness, I'm trying to regrid from a subset of the ERAI
lat/lon grid (all longitudes, latitudes from 55 S to south pole) to a
version of a WRF grid. If I don't use "none", I get bad extrapolated
data near the pole (which I'd rather deal with myself after regridding).

Thanks,
Dave

-- 
Associate Research Professor of Climatology
Dept of Earth and Environmental Science
MSEC 304; 801 Leroy Place
New Mexico Tech
Socorro, NM 87801

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Received on Mon Dec 2 09:40:25 2013