> ncdump -v CLONG /ccc/work/cont005/ra0542/hourdinc/wd/pre/peru12_wrf/make_new_grid/wps/peru12_wrf/geo_em.d01.nc |more
> ncdump -v CLAT  /ccc/work/cont005/ra0542/hourdinc/wd/pre/peru12_wrf/make_new_grid/wps/peru12_wrf/geo_em.d01.nc | uniq |more

peru12_wrf
        west_east = 485 ;
        west_east_stag = 486 ;
        south_north = 509 ;
        south_north_stag = 510 ;

        float CLONG(Time, south_north, west_east) ;
        float CLAT(Time, south_north, west_east) ;

================================================================================
  CLONG peru12_wrf =  
================================================================================
  -100.1667, -100.0833,
  -100, -99.91666, -99.83333, -99.75, -99.66666, 
...
  -70.75, -70.66666, -70.58334, -70.5, -70.41666, -70.33334, -70.25,
  -70.16666, -70.08334, -70, 

  -69.91666, -69.83334, -69.75, -69.66667, -69.58334, -69.5, -69.41667, -69.33334, 
...
  -60.5, -60.41667, -60.33334, -60.25, -60.16667, -60.08334, -60, -59.91667, -59.83334 ;

================================================================================
   CLAT peru12_wrf = 
================================================================================
  -30.16765, -30.16765, -30.16765, -30.16765, -30.16765, -30.16765,
  -30.09557, -30.09557, -30.09557, -30.09557, -30.09557, -30.09557,

  -30.02345, -30.02345, -30.02345, -30.02345, -30.02345, -30.02345,
  -29.95127, -29.95127, -29.95127, -29.95127, -29.95127, -29.95127,
  -29.87904, -29.87904, -29.87904, -29.87904, -29.87904, -29.87904,
  -29.80676, -29.80676, -29.80676, -29.80676, -29.80676, -29.80676,
  -29.73442, -29.73442, -29.73442, -29.73442, -29.73442, -29.73442,
  -29.66204, -29.66204, -29.66204, -29.66204, -29.66204, -29.66204,
  -29.5896, -29.5896, -29.5896, -29.5896, -29.5896, -29.5896, -29.5896,
  -29.51711, -29.51711, -29.51711, -29.51711, -29.51711, -29.51711,
...
  9.867516, 9.867516, 9.867516, 9.867516, 9.867516, 9.867516, 9.867516,
  9.949608, 9.949608, 9.949608, 9.949608, 9.949608, 9.949608, 9.949608,
  10.03168, 10.03168, 10.03168, 10.03168, 10.03168, 10.03168, 10.03168,
  10.11372, 10.11372, 10.11372, 10.11372, 10.11372, 10.11372, 10.11372,
  10.19576, 10.19576, 10.19576, 10.19576, 10.19576, 10.19576, 10.19576,
  10.27776, 10.27776, 10.27776, 10.27776, 10.27776, 10.27776, 10.27776,
  10.35975, 10.35975, 10.35975, 10.35975, 10.35975, 10.35975, 10.35975,
  10.44171, 10.44171, 10.44171, 10.44171, 10.44171, 10.44171, 10.44171,

  10.52365, 10.52365, 10.52365, 10.52365, 10.52365, 10.52365, 10.52365,
  10.60558, 10.60558, 10.60558, 10.60558, 10.60558, 10.60558, 10.60558,