Pyrocumulonimbus (pyroCB) clouds are a terrifying atmospheric feedback loop. Wildfires generate intense convective heat plumes that form thunderstorm clouds, which then launch lightning and unpredictable winds to spread the flames further. 🌩️🔥 #ClimateCrisis https://www.theguardian.com/world/2026/jul/27/what-is-a-fire-cloud-pyrocumulonimbus-pyrocb-france-spain-wildfires?CMP=Share_AndroidApp_Other