Cumulonimbus clouds (aka anvil clouds) rise like towering, sunlit mountains in the sky, built from powerful updrafts that lift warm, moist air high into the atmosphere until it cools and condenses into dense, dramatic columns capable of producing thunderstorms, heavy rain, hail, and even tornadoes. Their anvil-shaped tops spread outward when they reach the upper limits of the troposphere, signaling intense atmospheric energy and rapid vertical motion that make them some of the most dynamic and awe‑inspiring features of weather, often prompting meteorologists to monitor them closely through tools such as severe storm tracking. Photograph taken near Deming, New Mexico.
