Pyrocumulonimbus Cloud Formation: Fierce wildfires in southwest France generated towering storm clouds, a phenomenon called pyrocumulonimbus. These fire clouds gain energy from burning material, unlike normal thunderstorms. They create unpredictable winds and lightning, posing new dangers for firefighters. Such storms can inject smoke high into the atmosphere, affecting global air quality. Climate change is increasing the frequency of these extreme fire-generated weather events.

France fought an "unpredictable" wildfire close to Bordeaux on Sunday and Spain warned of "difficult hours" ahead in its own fiery battle, with more than 325,000 people evacuated…

Severe wildfires can generate their own unique weather systems. One of the most striking examples of this are dangerous pyrocumulonimbus, or pyroCB, clouds