Cumulonimbus clouds are clouds that produce lightning.
Cumulonimbus.
nimbus
Very high electrostatic potential, cloud to earth and cloud to cloud.
There are 3 main places lightening can travel from. The ground to a cloud, a cloud to a cloud, and the cloud to the ground.
cumulus cloud
Cloud lighting
LIGHTING!!!
Lighting can only occur from cloud to ground.
Stratus
A "Nimbus Cloud" is a cloud that produces precipitation. Most likely a Hail or Snow Cloud.
Lightning
A funnel-shaped cloud is typically associated with a tornado, which is a violent rotating column of air that extends from a thunderstorm to the ground. Tornadoes can cause significant damage and are characterized by their distinctive funnel cloud shape.