altocumulus
cumulonimbus
Cumulus!
nimbus
a cold, dense gas cloud.
cumulonimbus clouds
cumulonimbus
It is a cirrus cloud.
cirrus cloud!
Cumulus
Cirrus clouds bring fair weather which is good for being out doors.
Generally, only drizzle, although there can be cloud above stratus giving rain, showers or other forms of precipitation.
A stratus cloud
it becomes a tornado
A wall cloud.
the tornado kind
A tornado produces a funnel-shaped cloud.
No, it can not happen. You will always need a cloud to form a tornado. The kind of cloud that a tornado uses is a cumulonimbus cloud.