earthkit.meteo.extreme.array.efi

earthkit.meteo.extreme.array.efi(clim, ens, eps=-0.1, clim_dim=0, ens_dim=0)

Compute Extreme Forecast Index (EFI).

The reduction axis (ensemble and quantiles) is configurable by the user, but the other dimensions of clim and ens must be aligned and match.

Parameters:

  • clim (array-like) – Sorted per-point climatology. The reduction axis (quantiles) is set by clim_dim.

  • ens (array-like) – Ensemble forecast. The reduction axis (ensemble members) is set by ens_dim.

  • eps ((float)) – Epsilon factor for zero values

  • clim_dim (int) – Axis index of the climatology/quantile dimension in clim. Default is 0.

  • ens_dim (int) – Axis index of the ensemble/member dimension in ens. Default is 0.

Returns:

EFI values.

Return type:

array-like