A cloud which is dependent on a larger cloud system for development and continuance. Roll clouds, shelf clouds, and wall clouds are examples of accessory clouds.
- Browse Related Terms: Accessory Cloud, ACLD, Anvil Rollover, Arcus, Barber Pole, Chinook Arch, Cloud Layer, Cloud Movement, Collar Cloud, Differential Motion, Drop-size Distribution, Eye Wall, Rain-free Base, Roll Cloud, Scud, Sea Breeze Convergence Zone, TOP, Unstable Air, Wall Cloud