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Large wildfires don’t just spread rapidly. When they reach extreme intensity, they can alter the atmosphere itself, making firefighting efforts even more difficult—as has happened in Spain in recent days.
Fire storms develop when a large wildfire alters the atmosphere and produces pyrocumulus clouds. This phenomenon can change the behavior of the flames and make them much harder to control.The wildfires that have swept across Spain in recent weeks have once again drawn attention to a phenomenon that is of particular concern to experts: so-called fire storms. According to Copernicus, the European Earth observation and monitoring program, the largest fires have burned more than 127,000 hectares and affected around 92,000 people, with the greatest impacts in provinces such as Ávila, Madrid and Castellón. Some of these have been classified as sixth-generation wildfires, whose behavior is far more difficult to predict and control.
When a wildfire reaches extreme intensity, it is no longer driven solely by temperature, wind or humidity. The immense heat it releases changes the surrounding air and can alter the weather over the fire itself, essentially creating its own weather. This explains why some wildfires suddenly accelerate, shift direction within minutes, or behave in ways that make firefighting operations much more challenging.
Pyrocumulus clouds and how these fire storms alter local weather
The enormous heat released by the flames causes air to rise rapidly, carrying smoke, ash and water vapor several kilometers into the atmosphere. This strong upward motion promotes the formation of towering clouds known as pyrocumulus clouds, whose presence usually
Original Record.
This archived record authored by ‘Dainet Sierra’ at ‘METEORED (Your Weather)’ was recovered from data set:
English