gridtype = projection
xsize = 486
ysize = 200
xunits = 'degrees'
yunits = 'degrees'
xfirst = -12.25
xinc = 0.05
yfirst = -4.75
yinc = 0.05
grid_mapping_name = rotated_latitude_longitude
grid_north_pole_longitude = 13
grid_north_pole_latitiude = -161