Active_fire

Pure-I/O data loader for NASA FIRMS VIIRS active-fire detections. Provides per-overpass point detections (one row per fire pixel per satellite pass): fire radiative power, brightness temperature, and detection confidence at irregular (lon,lat) detection locations resolved at runtime. This is the SUB-DAILY fire-front timing reference for fire-model validation (campfire-e2e Phase E1/E2) — the best progression signal between daily perimeters.