Phenomena
Anvil Cloud
Definition
The flat, spreading top of a fully-developed cumulonimbus cloud, shaped like a blacksmith's anvil. The presence of an anvil cloud is one of the strongest visual indicators of a severe thunderstorm.
The flat, spreading top of a fully-developed cumulonimbus cloud, shaped like a blacksmith's anvil. The presence of an anvil cloud is one of the strongest visual indicators of a severe thunderstorm.