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Bushfire risk peaks in dry fuel around 5–6 p.m., prompting new tools for better fire forecasts in complex terrain.
Australian National University researchers found bushfire fuel peaks in dryness about two hours after the air, typically around 5–6 p.m., extending high fire risk into the evening, especially during daylight saving.
Using real-time sensors and local data, the study shows satellite and weather forecasts are less accurate in complex terrain like gullies and dense vegetation, where moisture varies over short distances.
The team is developing tools combining satellite data, topography, and vegetation maps to estimate fuel moisture at 30-meter resolution, improving fire risk forecasts and safer prescribed burning.
Long-term goals include refining models for different fuel types to better predict fire behavior in southern and southeastern Australia.
El riesgo de incendios forestales alcanza su punto máximo en el combustible seco alrededor de las 5 a 6 p.m., lo que lleva a nuevas herramientas para mejores pronósticos de incendios en terrenos complejos.