code: def _is_yaw_flip(lat, delta=10):
          
          logger.debug('Computing yaw flip flag')
          # In case of yaw-flip the data and coordinates in the netCDF files are
          # also flipped. Just check whether the latitude increases or decrases
          # with the line number.
          crow, ccol = np.array(lat.shape) // 2
          return (lat[crow+delta, ccol] - lat[crow, ccol]).values > 0
docs: Determine whether the satellite is yaw-flipped ('upside down')