Fire

Burn Severity

xrspatial.fire.dnbr(pre_nbr_agg, post_nbr_agg)	Differenced Normalized Burn Ratio (dNBR).
xrspatial.fire.rdnbr(dnbr_agg, pre_nbr_agg)	Relative differenced Normalized Burn Ratio (RdNBR).
xrspatial.fire.burn_severity_class(dnbr_agg)	Classify dNBR into USGS 7-class burn severity.

Fire Behavior

xrspatial.fire.fireline_intensity(...[, ...])	Byram's fireline intensity.
xrspatial.fire.flame_length(intensity_agg[, ...])	Flame length from fireline intensity.
xrspatial.fire.rate_of_spread(slope_agg, ...)	Rate of spread using a simplified Rothermel model.

Fire Danger

xrspatial.fire.kbdi(kbdi_prev_agg, ...[, name])

Keetch-Byram Drought Index (single time-step update).