larger than expected diffs in cice tx0.661 mesh versus internal grid

I have turned on actual error trapping rather than warning to compare the input meshe lat/lon values  to the internally generated values in cice5. I am finding some differences that are much bigger than I would expect for the tx0.66v1 mesh. These errors were present before - but only warnings were printed out. Now the model actually stops.

The mesh file 
`/glade/p/cesmdata/cseg/inputdata/share/meshes/tx0.66v1_190314_ESMFmesh.nc`
was generated from the following SCRIP input file:   /glade/p/cesmdata/cseg/mapping/grids/tx0.66v1_SCRIP_190314.nc 
which @alperaltuntas created in March of 2019.

The internal ice grid is
`/glade/p/cesmdata/cseg/inputdata/ocn/mom/tx0.66v1/grid/horiz_grid_20190315.ieeer8`

Errors of the following type are seen
```
ERROR: CICE n, lonmesh, lon, diff_lon =    352    140.2982497816467       140.2993809030784             0.11311D-02
ERROR: CICE n, lonmesh, lon, diff_lon =    353    143.3065378697909       143.3075936600567             0.10558D-02
ERROR: CICE n, lonmesh, lon, diff_lon =    390    110.5901027413569       110.5911242235564             0.10215D-02
```

I am not seeing any differences in latitude that are trapped - just in longitude.
This same type of problem I expect would also be in cice6 - but needs to be verified.
For now - I can turn off the aborts but we really need to resolve this as an issue.