Are firestorms here to stay in Western Europe. There are phenomena we're hearing about here for the first time. Extreme, record-breaking heat waves and drought have fueled these fires so intense they seem to have caused France's first ever firegenerated thunderstorms.This is one that happens from the ground up. Unlike storms which rain down, it starts when a fire grows so hot and so intense it creates its own mini weather system. Like a chimney effect, the heat is so fierce, it causes the masses of hot air ...