Tornadoes are most closely associated with wall clouds and funnel clouds, both of which form from cumulonimbus clouds.
The funnel clouds of a tornado often range from white to gray to black.
No. Not necessarily.
Tornadoes form in cumulonimbus clouds, which can be considered a variety of nimbus.
Nope, of course not, you don't need to worry. It just means that some winy weather is coming to get you, yea you;) rotating clouds means there's a storm.
A tornado can range in height from as little as 5,000 feet to as much as 60,000.
The funnel clouds of a tornado often range from white to gray to black.
you will see Cumulonimbus clouds before a tornado which are large, dark, anvil-shaped clouds.
The clouds in tornadoes are called funnel clouds.
A tornado is formed from storm clouds. The funnel cloud is the tornado before it touches down.
Cumulonimbus clouds can spawn a tornado.
The only cloud you will actually find inside a tornado is the condensation funnel. Other clouds, such as the wall cloud and cumulonimbus are outside the tornado itself.