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Wildfire spread models combine fuels, weather, terrain, and fire observations to estimate possible behavior.
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Their results are decision-support information for trained incident managers; accuracy depends on current inputs and uncertain conditions.
Wildfire behavior tools range from point-based calculations such as Behave to spatial spread simulations and machine-learning analyses. Inputs can include wind, fuel moisture and type, slope, terrain, and observed fire locations. Models are sensitive to input quality and changing conditions, so fire managers review outputs as scenarios rather than certain predictions. Forest Service research describes uncertainty across model inputs, parameters, and structure; decision-support systems help organize the information but do not make evacuation or suppression decisions. Earth Fire Alliance lists FireSat’s minimum fire-detection size as 5 × 5 metres; that sensor specification is separate from the uncertain arrival-time estimates produced by spread models.
Comparing fire-growth scenarios using current fuel, terrain, and forecast-weather data
Using satellite hotspot detections as observations to update fire situational awareness
Mapping possible arrival times or spread probabilities to support planning
Reviewing forecast uncertainty alongside field reports and agency procedures
Earth Fire Alliance reports that the first three operational FireSat satellites launched in July 2026, with initial data expected at least twice daily for early-adopter regions as the system expands. Satellite detections can improve situational awareness, but spread forecasting still depends on fuel, terrain, weather, and validated operational workflows.
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Wildfire spread models combine fuels, weather, terrain, and fire observations to estimate possible behavior. Their results are decision-support information for trained incident managers; accuracy depends on current inputs and uncertain conditions.
Angin mendorong bagian depan nyala api, kemiringan ke atas mempercepat penyebaran, dan ketersediaan bahan bakar (vegetasi) menentukan intensitasnya. Model AI mengkodekan ketiganya sebagai lapisan masukan.
Sensor seperti VIIRS dan MODIS mendeteksi titik api termal dari orbit, memberikan bukti hampir real-time di mana api sedang menyala.
Menjalankan ansambel di banyak skenario cuaca menghasilkan kemungkinan kebakaran yang mencapai setiap area, yang menunjukkan ketidakpastian yang lebih nyata dibandingkan satu garis deterministik.
A cell-based arrival-time estimate says when the modeled fire front may reach that location under the selected inputs. It can inform planning, but it should not set evacuation timing on its own; incident managers combine forecasts with field reports, uncertainty, and agency procedures.
Earth Fire Alliance reports three operational satellites launched in July 2026 and says data delivery will expand as the constellation grows.
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