Most storms, particularly in summer they will be cumulonimbus.
The thickest kind of cloud is a cumulonimbus cloud. These clouds are tall and dense, often associated with thunderstorms and severe weather. They can extend vertically for several miles in the atmosphere.
This kind of cloud is typically called a wall cloud. Wall clouds are often associated with severe thunderstorms and can be a precursor to the development of a tornado.
Very dark cloud
the weather that cumulonimbus brings is thunderstorms
It's a type of thunderstorms
Cumulonimbus Cloud
the symbol for thunderstorms is a capital T with a circle around it.
Cumulonimbus clouds have a large and tall horizontal appearance. They are capable of producing severe weather conditions such as thunderstorms and hailstones.
A cumulonimbus cloud
thunderstorms.
the storm cloud
As with all thunderstorms, a supercell takes the form off a cumulonimbus cloud.