French wildfire created country's 1st recorded pyrocumulonimbus cloud, igniting more fires
Summary
A large wildfire in southwest France created a rare type of thundercloud called a pyrocumulonimbus (pyroCb), which produced lightning and strong winds that started new fires and changed how the flames spread. This is the first time such a cloud has been recorded in France, and it made fighting the fire much harder.Key Facts
- The wildfire began near Saumos on July 22 and burned over 420 square kilometers of forests and scrubland.
- More than 240 homes were damaged or destroyed, and 220,000 people evacuated in the Gironde area.
- Around two days after the fire started, the fire produced a pyrocumulonimbus cloud, a thundercloud formed by intense heat from the fire.
- This cloud generated lightning that ignited more fires and created strong, changing winds that affected the fire’s path.
- PyroCbs are rare in Europe and more commonly seen in places like North America and Australia during extreme wildfires.
- The cloud acts as a self-sustaining weather system, making fire behavior unpredictable and dangerous for firefighters.
- Climate change is making Europe hotter and drier, increasing the risk and intensity of wildfires like this one.
- France’s national firefighters had never recorded a pyroCb before this event.
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