[ncl-talk] Lambert Conformal coordinate issue

[Black, Forrest (LARC-D318)[UNIVERSITIES SPACE RESEARCH ASSOCIATION]]

Hello fellow NCL users,

I am using a script in version 6.3.0 to overlay wind data from onto a reflectivity contour plot. I am using RAP data which uses a lambert conformal projections. When I just plot the wind on a vector plot there is no issue. However, when I overlay the vector plot onto a contour plot the following error message appears:


(0)     check_for_y_lat_coord: Warning: Data either does not contain a valid latitude coordinate array or doesn't contain one at all.
(0)     A valid latitude coordinate array should have a 'units' attribute equal to one of the following values:
(0)         'degrees_north' 'degrees-north' 'degree_north' 'degrees north' 'degrees_N' 'Degrees_north' 'degree_N' 'degreeN' 'degreesN' 'deg north'
(0)     check_for_lon_coord: Warning: Data either does not contain a valid longitude coordinate array or doesn't contain one at all.
(0)     A valid longitude coordinate array should have a 'units' attribute equal to one of the following values:
(0)         'degrees_east' 'degrees-east' 'degree_east' 'degrees east' 'degrees_E' 'Degrees_east' 'degree_E' 'degreeE' 'degreesE' 'deg east'
warning:ContourPlotDraw: out of range coordinates encountered; standard AreaFill rendering method may be unreliable;
consider setting the resource trGridType to "TriangularMesh" if coordinates contain missing values

The data plots, but the reflectivity does not to be georeferenced correctly. If you have any clue on what to fix please let me know. The data used is on the ftp site under "fblack_sample.grb 2".

Thanks for any assistance you can provide.


-        Forrest Black


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