L1EUMETSAT MSG/SEVIRI 4-channel acquisition → 15 min revisit, full-disk theatre.
L2Dozier sub-pixel algorithm: simultaneous solve for fire fraction (p) and effective temperature (T_f) using 3.9µm + 11µm bands.
L3Phoenix CNN second-stage filter: candidates with 0.30<conf<threshold logged as provisional; ≥threshold publish; <0.30 suppressed.
L4Copernicus EFFIS ground-truth bypass — confirmed fires skip ML filter, publish directly.