What is a cumulonimbus cloud made of?
Water droplets
What do cumulonimbus clouds look like?
Big, puffy cotton balls in the sky.
What weather do cumulonimbus clouds predict?
severe storms such as heavy downpours, lightning, hail storms even tornadoes.
Where are cumulonimbus clouds formed?
The Troposphere
What is the shape of a cumulonimbus cloud?
round, sometimes long - come in lots of different styles.
How long does it take for cumulonimbus clouds to form?
20 - 30 minutes.
How are cumulonimbus clouds assembled?
From small cumulus clouds that go over hot surfaces like the sun.
What color are cumulonimbus clouds?
They vary from white to light grey.
How high can a cumulonimbus cloud build?
39,000 feet