Cumulonimbus is the largest type of cloud. It is the only cloud that is tall enough to occupy low, medium and high heights. It is also the only (weather related) cloud that can form hail and...
Cumulonimbus Clouds (thunderclouds) Cumulonimbus is a type of cloud that is tall, dense, and usually dark. These clouds form thunderstorms, and can create severe weather conditions, such as heavy...