Estimation of Forest Fire Danger by Using Fire Weather Index in the CORDEX MENA Region
This study utilizes the Canadian Fire Weather Index and downscaled climate models to project a significant increase in forest fire danger across the Mediterranean region, particularly in the Iberian Peninsula, Southern Europe, and Turkey, by the end of the 21st century under high-emission scenarios.
Original paper licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). This is an AI-generated explanation of the paper below. It is not written or endorsed by the authors. For technical accuracy, refer to the original paper. Read full disclaimer
Fire is a natural part of life in the Mediterranean, where hot, dry summers and wet winters create a landscape that has evolved to burn. However, as the planet warms, the conditions that make these fires dangerous are becoming more frequent and severe. Scientists track this risk using a tool called the Fire Weather Index, a system that translates daily weather data—such as temperature, humidity, wind, and rainfall—into a single number representing how likely a fire is to start and how fast it might spread. This number helps officials decide when to issue warnings or deploy resources. As climate change alters the weather patterns across the Mediterranean Basin, understanding how these fire risks will shift in the coming decades is critical for protecting forests, communities, and the economy.
A team of researchers from Boğaziçi University in Turkey set out to map out these future dangers for the entire Mediterranean region, including Turkey, which sits at the crossroads of Europe, Asia, and Africa. They focused on the period from 2070 to 2099, looking ahead to see how fire danger might change compared to the baseline period of 1981 to 2000. To do this, they used powerful computer models that simulate the Earth's climate under two different future scenarios: one where greenhouse gas emissions are stabilized at a moderate level, and another where emissions continue to rise unchecked. The researchers fed weather data from these simulations into the Fire Weather Index system to generate a detailed forecast of fire risk across the region.
The study began by testing which of the two climate models they used was more reliable. They compared the models' past performance against actual historical weather records. One model, driven by data from the Max Planck Institute, proved to be a much closer match to reality than the other, which was driven by data from the UK Met Office. Because the Max Planck model recreated the past fire patterns more accurately, the researchers placed greater trust in its future predictions, though they still analyzed results from both to understand the range of possibilities.
The results paint a clear and concerning picture of the future. Under the moderate emissions scenario, fire danger is expected to rise, but the increase is uneven. In some areas, the risk remains manageable, while in others, it climbs significantly. However, under the high-emissions scenario, the situation becomes far more severe. The simulations show that by the end of the century, vast stretches of the Mediterranean will face a dramatic jump in fire intensity. The most significant increases are projected for the Iberian Peninsula in Spain and Portugal, southern Europe, and parts of Turkey. In these areas, the average fire danger is expected to shift from a moderate level to a very high or even extreme level.
When the researchers broke the region down into specific sub-areas, the data revealed that the Iberian Peninsula and Southern Europe are particularly vulnerable. In some of these zones, the projected increase in fire danger under the high-emissions scenario is nearly double what it was in the past. For instance, in parts of northern Italy and southern France, the risk is expected to surge by nearly 150 percent. Even in Turkey, which already faces high fire risks, the simulations suggest that the danger will intensify, especially in the western and southern regions. The study indicates that the combination of rising temperatures and drying conditions will make the fuel on the ground—such as grass, shrubs, and trees—much more flammable, turning what were once occasional fire seasons into periods of persistent, extreme danger.
While the study provides a robust look at the meteorological conditions that drive fires, the authors note that their work focuses specifically on the weather aspect. They did not include factors like how human land management, vegetation changes, or fire suppression efforts might alter the outcome. Nevertheless, the findings serve as a stark warning that the climate itself is becoming more hostile to fire safety. The research suggests that without significant changes to how emissions are managed, the Mediterranean region will face a future where extreme fire weather is the norm rather than the exception. This underscores the urgent need for stronger adaptation strategies, better early warning systems, and sustainable land management to protect these vulnerable ecosystems and the people who live among them.
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